How to use BindingSource class of Microsoft.Playwright package

Best Playwright-dotnet code snippet using Microsoft.Playwright.BindingSource

BrowserContextSynchronous.cs

Source:BrowserContextSynchronous.cs Github

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...157 /// <para>An example of passing an element handle:</para>158 /// <code>159 /// var result = new TaskCompletionSource&lt;string&gt;();<br/>160 /// var page = await Context.NewPageAsync();<br/>161 /// await Context.ExposeBindingAsync("clicked", async (BindingSource _, IJSHandle t) =&gt;<br/>162 /// {<br/>163 /// return result.TrySetResult(await t.AsElement().TextContentAsync());<br/>164 /// });<br/>165 /// <br/>166 /// await page.SetContentAsync("&lt;script&gt;\n" +<br/>167 /// " document.addEventListener('click', event =&gt; window.clicked(event.target));\n" +<br/>168 /// "&lt;/script&gt;\n" +<br/>169 /// "&lt;div&gt;Click me&lt;/div&gt;\n" +<br/>170 /// "&lt;div&gt;Or click me&lt;/div&gt;\n");<br/>171 /// <br/>172 /// await page.ClickAsync("div");<br/>173 /// // Note: it makes sense to await the result here, because otherwise, the context<br/>174 /// // gets closed and the binding function will throw an exception.<br/>175 /// Assert.AreEqual("Click me", await result.Task);176 /// </code>177 /// </summary>178 /// <param name="name">Name of the function on the window object.</param>179 /// <param name="callback">Callback function that will be called in the Playwright's context.</param>180 /// <param name="options">Call options</param>181 public static IBrowserContext ExposeBinding(this IBrowserContext browserContext, string name, Action callback, BrowserContextExposeBindingOptions? options = null)182 {183 browserContext.ExposeBindingAsync(name, callback, options).GetAwaiter().GetResult();184 return browserContext;185 }186 /// <inheritdoc cref="ExposeBindingAsync(string, Action, BrowserContextExposeBindingOptions)"/>187 public static IBrowserContext ExposeBinding(this IBrowserContext browserContext, string name, Action<BindingSource> callback)188 {189 browserContext.ExposeBindingAsync(name, callback).GetAwaiter().GetResult();190 return browserContext;191 }192 /// <inheritdoc cref="ExposeBindingAsync(string, Action, BrowserContextExposeBindingOptions)"/>193 public static IBrowserContext ExposeBinding<T>(this IBrowserContext browserContext, string name, Action<BindingSource, T> callback)194 {195 browserContext.ExposeBindingAsync<T>(name, callback).GetAwaiter().GetResult();196 return browserContext;197 }198 /// <inheritdoc cref="ExposeBindingAsync(string, Action, BrowserContextExposeBindingOptions)"/>199 public static IBrowserContext ExposeBinding<TResult>(this IBrowserContext browserContext, string name, Func<BindingSource, TResult> callback)200 {201 browserContext.ExposeBindingAsync<TResult>(name, callback).GetAwaiter().GetResult();202 return browserContext;203 }204 /// <inheritdoc cref="ExposeBindingAsync(string, Action, BrowserContextExposeBindingOptions)"/>205 public static IBrowserContext ExposeBinding<TResult>(this IBrowserContext browserContext, string name, Func<BindingSource, IJSHandle, TResult> callback)206 {207 browserContext.ExposeBindingAsync<TResult>(name, callback).GetAwaiter().GetResult();208 return browserContext;209 }210 /// <inheritdoc cref="ExposeBindingAsync(string, Action, BrowserContextExposeBindingOptions)"/>211 public static IBrowserContext ExposeBinding<T, TResult>(this IBrowserContext browserContext, string name, Func<BindingSource, T, TResult> callback)212 {213 browserContext.ExposeBindingAsync<T, TResult>(name, callback).GetAwaiter().GetResult();214 return browserContext;215 }216 /// <inheritdoc cref="ExposeBindingAsync(string, Action, BrowserContextExposeBindingOptions)"/>217 public static IBrowserContext ExposeBinding<T1, T2, TResult>(this IBrowserContext browserContext, string name, Func<BindingSource, T1, T2, TResult> callback)218 {219 browserContext.ExposeBindingAsync<T1, T2, TResult>(name, callback).GetAwaiter().GetResult();220 return browserContext;221 }222 /// <inheritdoc cref="ExposeBindingAsync(string, Action, BrowserContextExposeBindingOptions)"/>223 public static IBrowserContext ExposeBinding<T1, T2, T3, TResult>(this IBrowserContext browserContext, string name, Func<BindingSource, T1, T2, T3, TResult> callback)224 {225 browserContext.ExposeBindingAsync<T1, T2, T3, TResult>(name, callback).GetAwaiter().GetResult();226 return browserContext;227 }228 /// <inheritdoc cref="ExposeBindingAsync(string, Action, BrowserContextExposeBindingOptions)"/>229 public static IBrowserContext ExposeBinding<T1, T2, T3, T4, TResult>(this IBrowserContext browserContext, string name, Func<BindingSource, T1, T2, T3, T4, TResult> callback)230 {231 browserContext.ExposeBindingAsync<T1, T2, T3, T4, TResult>(name, callback).GetAwaiter().GetResult();232 return browserContext;233 }234 /// <summary>235 /// <para>236 /// The method adds a function called <paramref name="name"/> on the <c>window</c> object237 /// of every frame in every page in the context. When called, the function executes238 /// <paramref name="callback"/> and returns a <see cref="Task"/> which resolves to the239 /// return value of <paramref name="callback"/>.240 /// </para>241 /// <para>If the <paramref name="callback"/> returns a <see cref="Task"/>, it will be awaited.</para>242 /// <para>See <see cref="IPage.ExposeFunctionAsync"/> for page-only version.</para>243 /// <para>An example of adding a <c>sha256</c> function to all pages in the context:</para>...

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PageModel.cs

Source:PageModel.cs Github

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...310 protected virtual void EvaluateHandle(string expression, object? arg = null)311 {312 this.Page.EvaluateHandle(expression, arg);313 }314 protected virtual void ExposeBinding(string name, Action<BindingSource> callback)315 {316 this.Page.ExposeBinding(name, callback);317 }318 protected virtual void ExposeBinding(string name, Action callback, PageExposeBindingOptions? options = null)319 {320 this.Page.ExposeBinding(name, callback, options);321 }322 protected virtual void ExposeBinding<T>(string name, Action<BindingSource, T> callback)323 {324 this.Page.ExposeBinding<T>(name, callback);325 }326 protected virtual void ExposeBinding<TResult>(string name, Func<BindingSource, TResult> callback)327 {328 this.Page.ExposeBinding<TResult>(name, callback);329 }330 protected virtual void ExposeBinding<TResult>(string name, Func<BindingSource, IJSHandle, TResult> callback)331 {332 this.Page.ExposeBinding<TResult>(name, callback);333 }334 protected virtual void ExposeBinding<T, TResult>(string name, Func<BindingSource, T, TResult> callback)335 {336 this.Page.ExposeBinding<T, TResult>(name, callback);337 }338 protected virtual void ExposeBinding<T1, T2, TResult>(string name, Func<BindingSource, T1, T2, TResult> callback)339 {340 this.Page.ExposeBinding<T1, T2, TResult>(name, callback);341 }342 protected virtual void ExposeBinding<T1, T2, T3, TResult>(string name, Func<BindingSource, T1, T2, T3, TResult> callback)343 {344 this.Page.ExposeBinding<T1, T2, T3, TResult>(name, callback);345 }346 protected virtual void ExposeBinding<T1, T2, T3, T4, TResult>(string name, Func<BindingSource, T1, T2, T3, T4, TResult> callback)347 {348 this.Page.ExposeBinding<T1, T2, T3, T4, TResult>(name, callback);349 }350 protected virtual void ExposeFunction(string name, Action callback)351 {352 this.Page.ExposeFunction(name, callback);353 }354 protected virtual void ExposeFunction<T>(string name, Action<T> callback)355 {356 this.Page.ExposeFunction<T>(name, callback);357 }358 protected virtual void ExposeFunction<TResult>(string name, Func<TResult> callback)359 {360 this.Page.ExposeFunction<TResult>(name, callback);...

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PageExposeFunctionTests.cs

Source:PageExposeFunctionTests.cs Github

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...33 {34 [PlaywrightTest("page-expose-function.spec.ts", "exposeBinding should work")]35 public async Task ExposeBindingShouldWork()36 {37 BindingSource bindingSource = null;38 await Page.ExposeBindingAsync("add", (BindingSource source, int a, int b) =>39 {40 bindingSource = source;41 return a + b;42 });43 int result = await Page.EvaluateAsync<int>("async function () { return add(5, 6); }");44 Assert.AreEqual(Context, bindingSource.Context);45 Assert.AreEqual(Page, bindingSource.Page);46 Assert.AreEqual(Page.MainFrame, bindingSource.Frame);47 Assert.AreEqual(11, result);48 }49 [PlaywrightTest("page-expose-function.spec.ts", "should work")]50 public async Task ShouldWork()51 {52 await Page.ExposeFunctionAsync("compute", (int a, int b) => a * b);...

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BrowserContextExposeFunctionTests.cs

Source:BrowserContextExposeFunctionTests.cs Github

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...32 {33 [PlaywrightTest("browsercontext-expose-function.spec.ts", "expose binding should work")]34 public async Task ExposeBindingShouldWork()35 {36 BindingSource bindingSource = null;37 await Context.ExposeBindingAsync("add", (BindingSource source, int a, int b) =>38 {39 bindingSource = source;40 return a + b;41 });42 var page = await Context.NewPageAsync();43 int result = await page.EvaluateAsync<int>(@"async function() {44 return await add(5, 6);45 }");46 Assert.AreEqual(Context, bindingSource.Context);47 Assert.AreEqual(page, bindingSource.Page);48 Assert.AreEqual(page.MainFrame, bindingSource.Frame);49 Assert.AreEqual(11, result);50 }51 [PlaywrightTest("browsercontext-expose-function.spec.ts", "should work")]52 public async Task ShouldWork()53 {54 await Context.ExposeFunctionAsync("add", (int a, int b) => a + b);55 var page = await Context.NewPageAsync();56 await page.ExposeFunctionAsync("mul", (int a, int b) => a * b);57 await Context.ExposeFunctionAsync("sub", (int a, int b) => a - b);58 var result = await page.EvaluateAsync<JsonElement>(@"async function() {59 return { mul: await mul(9, 4), add: await add(9, 4), sub: await sub(9, 4) };60 }");61 Assert.AreEqual(36, result.GetProperty("mul").GetInt32());62 Assert.AreEqual(13, result.GetProperty("add").GetInt32());63 Assert.AreEqual(5, result.GetProperty("sub").GetInt32());64 }65 [PlaywrightTest("browsercontext-expose-function.spec.ts", "should throw for duplicate registrations")]66 public async Task ShouldThrowForDuplicateRegistrations()67 {68 await Context.ExposeFunctionAsync("foo", () => { });69 await Context.ExposeFunctionAsync("bar", () => { });70 var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => Context.ExposeFunctionAsync("foo", () => { }));71 Assert.AreEqual("Function \"foo\" has been already registered", exception.Message);72 var page = await Context.NewPageAsync();73 exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => page.ExposeFunctionAsync("foo", () => { }));74 Assert.AreEqual("Function \"foo\" has been already registered in the browser context", exception.Message);75 await page.ExposeFunctionAsync("baz", () => { });76 exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => Context.ExposeFunctionAsync("baz", () => { }));77 Assert.AreEqual("Function \"baz\" has been already registered in one of the pages", exception.Message);78 }79 [PlaywrightTest("browsercontext-expose-function.spec.ts", "should be callable from-inside addInitScript")]80 public async Task ShouldBeCallableFromInsideAddInitScript()81 {82 var args = new List<object>();83 await using var context = await Browser.NewContextAsync();84 await context.ExposeFunctionAsync("woof", (string arg) => { args.Add(arg); });85 await context.AddInitScriptAsync("woof('context')");86 var page = await context.NewPageAsync();87 await page.AddInitScriptAsync("woof('page')");88 args.Clear();89 await page.ReloadAsync();90 CollectionAssert.Contains(args, "context");91 CollectionAssert.Contains(args, "page");92 }93 [PlaywrightTest("browsercontext-expose-function.spec.ts", "exposeBindingHandle should work")]94 public async Task ExposeBindingHandleShouldWork()95 {96 IJSHandle target = null;97 await Context.ExposeBindingAsync(98 "logme",99 (BindingSource _, IJSHandle t) =>100 {101 target = t;102 return 17;103 });104 var page = await Context.NewPageAsync();105 int result = await page.EvaluateAsync<int>(@"async function() {106 return window['logme']({ foo: 42 });107 }");108 Assert.AreEqual(42, await target.EvaluateAsync<int>("x => x.foo"));109 Assert.AreEqual(17, result);110 }111 public async Task ExposeBindingHandleLikeInDocumentation()112 {113 var result = new TaskCompletionSource<string>();114 var page = await Context.NewPageAsync();115 await Context.ExposeBindingAsync("clicked", async (BindingSource _, IJSHandle t) =>116 {117 return result.TrySetResult(await t.AsElement().TextContentAsync());118 });119 await page.SetContentAsync("<script>\n" +120 " document.addEventListener('click', event => window.clicked(event.target));\n" +121 "</script>\n" +122 "<div>Click me</div>\n" +123 "<div>Or click me</div>\n");124 await page.ClickAsync("div");125 Assert.AreEqual("Click me", await result.Task);126 }127 }128}...

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IBrowserContext.cs

Source:IBrowserContext.cs Github

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...38 /// </summary>39 public partial interface IBrowserContext : IAsyncDisposable40 {41 /// <inheritdoc cref="ExposeBindingAsync(string, Action, BrowserContextExposeBindingOptions)"/>42 Task ExposeBindingAsync(string name, Action<BindingSource> callback);43 /// <inheritdoc cref="ExposeBindingAsync(string, Action, BrowserContextExposeBindingOptions)"/>44 Task ExposeBindingAsync<T>(string name, Action<BindingSource, T> callback);45 /// <inheritdoc cref="ExposeBindingAsync(string, Action, BrowserContextExposeBindingOptions)"/>46 Task ExposeBindingAsync<TResult>(string name, Func<BindingSource, TResult> callback);47 /// <inheritdoc cref="ExposeBindingAsync(string, Action, BrowserContextExposeBindingOptions)"/>48 Task ExposeBindingAsync<TResult>(string name, Func<BindingSource, IJSHandle, TResult> callback);49 /// <inheritdoc cref="ExposeBindingAsync(string, Action, BrowserContextExposeBindingOptions)"/>50 Task ExposeBindingAsync<T, TResult>(string name, Func<BindingSource, T, TResult> callback);51 /// <inheritdoc cref="ExposeBindingAsync(string, Action, BrowserContextExposeBindingOptions)"/>52 Task ExposeBindingAsync<T1, T2, TResult>(string name, Func<BindingSource, T1, T2, TResult> callback);53 /// <inheritdoc cref="ExposeBindingAsync(string, Action, BrowserContextExposeBindingOptions)"/>54 Task ExposeBindingAsync<T1, T2, T3, TResult>(string name, Func<BindingSource, T1, T2, T3, TResult> callback);55 /// <inheritdoc cref="ExposeBindingAsync(string, Action, BrowserContextExposeBindingOptions)"/>56 Task ExposeBindingAsync<T1, T2, T3, T4, TResult>(string name, Func<BindingSource, T1, T2, T3, T4, TResult> callback);57 /// <inheritdoc cref="ExposeFunctionAsync(string, Action)"/>58 Task ExposeFunctionAsync<T>(string name, Action<T> callback);59 /// <inheritdoc cref="ExposeFunctionAsync(string, Action)"/>60 Task ExposeFunctionAsync<TResult>(string name, Func<TResult> callback);61 /// <inheritdoc cref="ExposeFunctionAsync(string, Action)"/>62 Task ExposeFunctionAsync<T, TResult>(string name, Func<T, TResult> callback);63 /// <inheritdoc cref="ExposeFunctionAsync(string, Action)"/>64 Task ExposeFunctionAsync<T1, T2, TResult>(string name, Func<T1, T2, TResult> callback);65 /// <inheritdoc cref="ExposeFunctionAsync(string, Action)"/>66 Task ExposeFunctionAsync<T1, T2, T3, TResult>(string name, Func<T1, T2, T3, TResult> callback);67 /// <inheritdoc cref="ExposeFunctionAsync(string, Action)"/>68 Task ExposeFunctionAsync<T1, T2, T3, T4, TResult>(string name, Func<T1, T2, T3, T4, TResult> callback);69 }70}...

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BindingCall.cs

Source:BindingCall.cs Github

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...51 const string taskResultPropertyName = "Result";52 var methodParams = binding.Method.GetParameters().Select(parameter => parameter.ParameterType).Skip(1).ToArray();53 var args = new List<object>54 {55 new BindingSource56 {57 Context = _initializer?.Frame?.Page?.Context,58 Page = _initializer?.Frame?.Page,59 Frame = _initializer?.Frame,60 },61 };62 if (methodParams.Length == 1 && methodParams[0] == typeof(IJSHandle))63 {64 args.Add(_initializer.Handle);65 }66 else67 {68 for (int i = 0; i < methodParams.Length; i++)69 {...

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IPage.cs

Source:IPage.cs Github

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...30 {31 Task<JsonElement?> EvaluateAsync(string expression, object arg = default);32 Task<JsonElement?> EvalOnSelectorAsync(string selector, string expression, object arg = default);33 Task<JsonElement?> EvalOnSelectorAllAsync(string selector, string expression, object arg = default);34 Task ExposeBindingAsync(string name, Action<BindingSource> callback);35 Task ExposeBindingAsync<T>(string name, Action<BindingSource, T> callback);36 Task ExposeBindingAsync<TResult>(string name, Func<BindingSource, TResult> callback);37 Task ExposeBindingAsync<TResult>(string name, Func<BindingSource, IJSHandle, TResult> callback);38 Task ExposeBindingAsync<T, TResult>(string name, Func<BindingSource, T, TResult> callback);39 Task ExposeBindingAsync<T1, T2, TResult>(string name, Func<BindingSource, T1, T2, TResult> callback);40 Task ExposeBindingAsync<T1, T2, T3, TResult>(string name, Func<BindingSource, T1, T2, T3, TResult> callback);41 Task ExposeBindingAsync<T1, T2, T3, T4, TResult>(string name, Func<BindingSource, T1, T2, T3, T4, TResult> callback);42 Task ExposeFunctionAsync<T>(string name, Action<T> callback);43 Task ExposeFunctionAsync<TResult>(string name, Func<TResult> callback);44 Task ExposeFunctionAsync<T, TResult>(string name, Func<T, TResult> callback);45 Task ExposeFunctionAsync<T1, T2, TResult>(string name, Func<T1, T2, TResult> callback);46 Task ExposeFunctionAsync<T1, T2, T3, TResult>(string name, Func<T1, T2, T3, TResult> callback);47 Task ExposeFunctionAsync<T1, T2, T3, T4, TResult>(string name, Func<T1, T2, T3, T4, TResult> callback);48 }49}...

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BindingSource.cs

Source:BindingSource.cs Github

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...22 * SOFTWARE.23 */24namespace Microsoft.Playwright25{26 public class BindingSource27 {28 public IBrowserContext Context { get; set; }29 public IPage Page { get; set; }30 public IFrame Frame { get; set; }31 }32}...

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BindingSource

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1using Microsoft.Playwright;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7{8 {9 static async Task Main(string[] args)10 {11 using var playwright = await Microsoft.Playwright.Playwright.CreateAsync();12 await using var browser = await playwright.Chromium.LaunchAsync();13 var page = await browser.NewPageAsync();14 await page.FillAsync("input[title='Search']", "Playwright");15 await page.ClickAsync("text=Search");16 await page.ScreenshotAsync(new PageScreenshotOptions17 {18 });19 }20 }21}

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BindingSource

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1using Microsoft.Playwright;2using System;3using System.Threading.Tasks;4{5 {6 static async Task Main(string[] args)7 {8 using var playwright = await Playwright.CreateAsync();9 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions10 {11 });12 var page = await browser.NewPageAsync();13 var input = await page.QuerySelectorAsync("input[name='q']");14 await input.TypeAsync("Hello World");15 await input.PressAsync("Enter");16 await page.ScreenshotAsync(new PageScreenshotOptions17 {18 });19 }20 }21}22using Microsoft.Playwright;23using System;24using System.Threading.Tasks;25{26 {27 static async Task Main(string[] args)28 {29 using var playwright = await Playwright.CreateAsync();30 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions31 {32 });33 var page = await browser.NewPageAsync();34 var input = await page.QuerySelectorAsync("input[name='q']");35 await input.TypeAsync("Hello World");36 await input.PressAsync("Enter");37 await page.ScreenshotAsync(new PageScreenshotOptions38 {39 });40 }41 }42}43using Microsoft.Playwright;44using System;45using System.Threading.Tasks;46{47 {48 static async Task Main(string[] args)49 {50 using var playwright = await Playwright.CreateAsync();51 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions52 {53 });54 var page = await browser.NewPageAsync();55 var input = await page.QuerySelectorAsync("input[name='q']");56 await input.TypeAsync("Hello World");57 await input.PressAsync("Enter");58 await page.ScreenshotAsync(new PageScreenshotOptions59 {

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BindingSource

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1using Microsoft.Playwright;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7{8 {9 static async Task Main(string[] args)10 {11 using var playwright = await Playwright.CreateAsync();12 await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions { Headless = false });13 var context = await browser.NewContextAsync(new BrowserNewContextOptions14 {15 ViewportSize = new ViewportSize { Width = 1920, Height = 1080 }16 });17 var page = await context.NewPageAsync();18 await element.ClickAsync();19 var elements = await page.QuerySelectorAllAsync("div[class='whats-new-list-item']");20 foreach (var item in elements)21 {22 var title = await item.QuerySelectorAsync("h3");23 var text = await item.QuerySelectorAsync("p");24 Console.WriteLine(await title.TextContentAsync());25 Console.WriteLine(await text.TextContentAsync());26 }27 await browser.CloseAsync();28 }29 }30}

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BindingSource

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1using Microsoft.Playwright;2using System;3using System.Threading.Tasks;4{5 {6 static async Task Main(string[] args)7 {8 using var playwright = await Playwright.CreateAsync();9 var browser = await playwright.Chromium.LaunchAsync(headless: false);10 var page = await browser.NewPageAsync();11 await page.SetViewportSizeAsync(1280, 720);12 await page.TypeAsync("input[name='q']", "BindingSource");13 await page.PressAsync("input[name='q']", "Enter");14 await page.ScreenshotAsync("2.png");15 await browser.CloseAsync();16 }17 }18}19using Microsoft.Playwright;20using System;21using System.Threading.Tasks;22{23 {24 static async Task Main(string[] args)25 {26 using var playwright = await Playwright.CreateAsync();27 var browser = await playwright.Chromium.LaunchAsync(headless: false);28 var page = await browser.NewPageAsync();29 await page.SetViewportSizeAsync(1280, 720);30 await page.TypeAsync("input[name='q']", "BindingSource");31 await page.PressAsync("input[name='q']", "Enter");32 await page.ScreenshotAsync("3.png");33 await browser.CloseAsync();34 }35 }36}37using Microsoft.Playwright;38using System;39using System.Threading.Tasks;40{41 {42 static async Task Main(string[] args)43 {44 using var playwright = await Playwright.CreateAsync();45 var browser = await playwright.Chromium.LaunchAsync(headless: false);46 var page = await browser.NewPageAsync();47 await page.SetViewportSizeAsync(1280,

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BindingSource

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1using System;2using System.Collections.Generic;3using System.Text;4using System.Threading.Tasks;5using Microsoft.Playwright;6{7 {8 static async Task Main(string[] args)9 {10 using var playwright = await Playwright.CreateAsync();11 await using var browser = await playwright.Chromium.LaunchAsync(headless: false);12 var context = await browser.NewContextAsync();13 var page = await context.NewPageAsync();14 await page.TypeAsync("input[name='q']", "Hello World");15 await page.PressAsync("input[name='q']", "Enter");16 }17 }18}19using System;20using System.Collections.Generic;21using System.Text;22using System.Threading.Tasks;23using Microsoft.Playwright;24{25 {26 static async Task Main(string[] args)27 {28 using var playwright = await Playwright.CreateAsync();29 await using var browser = await playwright.Chromium.LaunchAsync(headless: false);30 var context = await browser.NewContextAsync();31 var page = await context.NewPageAsync();32 await page.TypeAsync("input[name='q']", "Hello World");33 await page.PressAsync("input[name='q']", "Enter");34 await page.WaitForSelectorAsync("text=Hello World");35 }36 }37}38using System;39using System.Collections.Generic;40using System.Text;41using System.Threading.Tasks;42using Microsoft.Playwright;43{44 {45 static async Task Main(string[] args)46 {47 using var playwright = await Playwright.CreateAsync();48 await using var browser = await playwright.Chromium.LaunchAsync(headless: false);49 var context = await browser.NewContextAsync();50 var page = await context.NewPageAsync();51 await page.TypeAsync("input[name='q']", "Hello World");52 await page.PressAsync("input[name='q']", "Enter");53 await page.WaitForSelectorAsync("text=Hello World");54 var element = await page.QuerySelectorAsync("text=Hello World");

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BindingSource

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1using System;2using System.Collections.Generic;3using System.Linq;4using System.Threading.Tasks;5using Microsoft.Playwright;6using System.Text.Json;7using System.Text.Json.Serialization;8using System.IO;9using System.Text;10using System.Reflection;11using System.Net.Http;12using System.Net;13using System.Net.Http.Headers;14using System.Net.Http.Json;15using System.Text.Json.Serialization;16using Microsoft.Playwright.Helpers;17using Microsoft.Playwright.Transport.Channels;18using Microsoft.Playwright.Transport;19using Microsoft.Playwright.Transport.Protocol;20using Microsoft.Playwright.NUnit;21using System.Runtime.Serialization;22using System.Runtime.Serialization.Formatters.Binary;23using Microsoft.Playwright.Transport.Converters;24using Microsoft.Playwright.Transport.Channels.Helpers;25using Microsoft.Playwright.Transport.Converters;26using System.Threading;27using System.Collections;28using System.Collections.Concurrent;29using System.Collections.Generic;30using System.Linq;31using System.Threading.Tasks;32using Microsoft.Playwright;33using Microsoft.Playwright.Helpers;34using Microsoft.Playwright.Transport;35using Microsoft.Playwright.Transport.Channels;36using Microsoft.Playwright.Transport.Converters;37using Microsoft.Playwright.Transport.Protocol;38using Microsoft.Playwright.Transport.Channels.Helpers;39using System;40using System.Collections;41using System.Collections.Concurrent;42using System.Collections.Generic;43using System.Linq;44using System.Runtime.Serialization;45using System.Runtime.Serialization.Formatters.Binary;46using System.Text;47using System.Text.Json;48using System.Text.Json.Serialization;49using System.Threading;50using System.Threading.Tasks;51using System.IO;52using System.Net;53using System.Net.Http;54using System.Net.Http.Headers;55using System.Net.Http.Json;56using System.Reflection;57using System.Runtime.Serialization.Formatters;58using System.Text.Json.Serialization;59using System.Text.RegularExpressions;60using System.Threading;61{62 {63 public async Task<BindingSource> BindData()64 {65 {66 BindingSource bs = new BindingSource();67 BindingList<TableData> bl = new BindingList<TableData>();68 TableData td = new TableData();69 Playwright playwright = await Playwright.CreateAsync();70 IBrowser browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions71 {

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BindingSource

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1using Microsoft.Playwright;2using Microsoft.Playwright.NUnit;3using NUnit.Framework;4using System;5using System.Collections.Generic;6using System.Linq;7using System.Text;8using System.Threading.Tasks;9{10 {11 public async Task TestMethod()12 {13 using var playwright = await Playwright.CreateAsync();14 using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions15 {16 });17 var page = await browser.NewPageAsync();18 var bindingSource = new BindingSource();19 await page.ExposeBindingAsync("bindingSource", (BindingSource bindingSource) => bindingSource);20 await page.EvaluateAsync(@"21 const obj = {22 };23 bindingSource.bindTo('obj', obj);24 ", bindingSource);25 var obj = bindingSource.GetBinding("obj");26 var property1 = await obj.GetPropertyAsync<string>("property1");27 Console.WriteLine(property1);28 var property2 = await obj.GetPropertyAsync<string>("property2");29 Console.WriteLine(property2);30 await browser.CloseAsync();31 }32 }33}34using Microsoft.Playwright;35using Microsoft.Playwright.NUnit;36using NUnit.Framework;37using System;38using System.Collections.Generic;39using System.Linq;40using System.Text;41using System.Threading.Tasks;42{43 {

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BindingSource

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1using Microsoft.Playwright;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Threading.Tasks;6{7 {8 static async Task Main(string[] args)9 {10 using var playwright = await Playwright.CreateAsync();11 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions12 {13 });14 var page = await browser.NewPageAsync();15 var table = await page.QuerySelectorAsync("#customers");16 var rows = await table.QuerySelectorAllAsync("tr");17 var data = new List<Dictionary<string, string>>();18 foreach (var row in rows)19 {20 var cells = await row.QuerySelectorAllAsync("td");21 var dict = new Dictionary<string, string>();22 foreach (var cell in cells)23 {24 var text = await cell.TextContentAsync();25 var header = await cell.EvaluateAsync<string>("(cell) => cell.parentElement.firstElementChild.innerText", cell);26 dict.Add(header, text);27 }28 data.Add(dict);29 }30 foreach (var dict in data)31 {32 foreach (var key in dict.Keys)33 {34 Console.WriteLine($"{key}: {dict[key]}");35 }36 Console.WriteLine();37 }38 }39 }40}

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Playwright tutorial

LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.

Chapters:

  1. What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
  2. How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
  3. Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
  4. What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
  5. Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
  6. Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
  7. Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
  8. Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
  9. Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
  10. Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
  11. Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
  12. Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.

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