How to use EvaluateExceptionResponseStackTrace class of PuppeteerSharp package

Best Puppeteer-sharp code snippet using PuppeteerSharp.EvaluateExceptionResponseStackTrace

EvaluateExceptionResponseDetails.cs

Source: EvaluateExceptionResponseDetails.cs Github

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...3 internal class EvaluateExceptionResponseDetails4 {5 public EvaluateExceptionResponseInfo Exception { get; set; }6 public string Text { get; set; }7 public EvaluateExceptionResponseStackTrace StackTrace { get; set; }8 }...

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EvaluateExceptionResponseStackTrace.cs

Source: EvaluateExceptionResponseStackTrace.cs Github

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1namespace PuppeteerSharp2{3 internal class EvaluateExceptionResponseStackTrace4 {5 public EvaluationExceptionResponseCallFrame[] CallFrames { get; set; }6 }...

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EvaluateExceptionResponseStackTrace

Using AI Code Generation

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1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5 {6 static async Task Main(string[] args)7 {8 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);9 var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });10 var page = await browser.NewPageAsync();11 await page.EvaluateFunctionAsync(@"() => {12 function throwException() {13 throw new Error('Custom Error');14 }15 throwException();16 }");17 Console.ReadLine();18 }19 }20}21using PuppeteerSharp;22using System;23using System.Threading.Tasks;24{25 {26 static async Task Main(string[] args)27 {28 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);29 var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });30 var page = await browser.NewPageAsync();31 await page.EvaluateFunctionAsync(@"() => {32 function throwException() {33 throw new Error('Custom Error');34 }35 throwException();36 }");37 Console.ReadLine();38 }39 }40}41using PuppeteerSharp;42using System;43using System.Threading.Tasks;44{45 {46 static async Task Main(string[] args)47 {48 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);49 var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });50 var page = await browser.NewPageAsync();51 await page.EvaluateFunctionAsync(@"() => {52 function throwException() {53 throw new Error('Custom Error');54 }55 throwException();56 }");57 Console.ReadLine();58 }59 }60}61using PuppeteerSharp;62using System;63using System.Threading.Tasks;64{65 {

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EvaluateExceptionResponseStackTrace

Using AI Code Generation

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1using System;2using System.IO;3using System.Threading.Tasks;4using PuppeteerSharp;5{6 {7 static async Task Main(string[] args)8 {9 Console.WriteLine("Hello World!");10 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);11 var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = true });12 var page = await browser.NewPageAsync();13 await page.EvaluateExpressionAsync("not_existing_function()");14 await browser.CloseAsync();15 }16 }17}18using System;19using System.IO;20using System.Threading.Tasks;21using PuppeteerSharp;22{23 {24 static async Task Main(string[] args)25 {26 Console.WriteLine("Hello World!");27 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);28 var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = true });29 var page = await browser.NewPageAsync();30 await page.EvaluateFunctionAsync("not_existing_function()");31 await browser.CloseAsync();32 }33 }34}35using System;36using System.IO;37using System.Threading.Tasks;38using PuppeteerSharp;39{40 {41 static async Task Main(string[] args)42 {43 Console.WriteLine("Hello World!");44 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);45 var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = true });46 var page = await browser.NewPageAsync();47 await page.EvaluateExpressionHandleAsync("not_existing_function()");48 await browser.CloseAsync();49 }50 }51}52using System;53using System.IO;54using System.Threading.Tasks;55using PuppeteerSharp;56{57 {58 static async Task Main(string[] args)59 {60 Console.WriteLine("Hello World!");

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EvaluateExceptionResponseStackTrace

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1var page = await browser.NewPageAsync();2await page.EvaluateFunctionAsync("notExistingFunction");3await page.EvaluateExceptionResponseStackTraceAsync();4var page = await browser.NewPageAsync();5await page.EvaluateExpressionAsync("notExistingVariable");6await page.EvaluateExceptionResponseStackTraceAsync();7var page = await browser.NewPageAsync();8await page.EvaluateFunctionAsync("notExistingFunction");9await page.EvaluateExceptionResponseStackTraceAsync();10var page = await browser.NewPageAsync();11await page.EvaluateExpressionAsync("notExistingVariable");12await page.EvaluateExceptionResponseStackTraceAsync();13var page = await browser.NewPageAsync();14await page.EvaluateFunctionAsync("notExistingFunction");15await page.EvaluateExceptionResponseStackTraceAsync();16var page = await browser.NewPageAsync();17await page.EvaluateExpressionAsync("notExistingVariable");18await page.EvaluateExceptionResponseStackTraceAsync();19var page = await browser.NewPageAsync();20await page.EvaluateFunctionAsync("notExistingFunction");21await page.EvaluateExceptionResponseStackTraceAsync();22var page = await browser.NewPageAsync();23await page.EvaluateExpressionAsync("notExistingVariable");24await page.EvaluateExceptionResponseStackTraceAsync();25var page = await browser.NewPageAsync();

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EvaluateExceptionResponseStackTrace

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);9 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))10 using (var page = await browser.NewPageAsync())11 {12 {13 await page.EvaluateFunctionAsync("() => { throw new Error('Error inside page.evaluate'); }");14 }15 catch (Exception ex)16 {17 var response = ex.Message;18 var stackTrace = ex.StackTrace;19 Console.WriteLine(response);20 Console.WriteLine(stackTrace);21 }22 }23 }24 }25}26 at ExecutionContext.EvaluateInternalAsync (System.String script, System.String sourceUrl, System.Boolean returnByValue, System.Nullable`1[T] timeout, System.Nullable`1[T] world, System.Nullable`1[T] awaitPromise) [0x0024f] in <e4d4e4b4f7a44a9a9c3e3d1b3c7a2c8b>:0 27 at ExecutionContext.EvaluateFunctionAsync (System.String pageFunction, System.Object[] args) [0x00000] in <e4d4e4b4f7a44a9a9c3e3d1b3c7a2c8b>:0 28 at Page.EvaluateFunctionAsync (System.String pageFunction, System.Object[] args) [0x00000] in <e4d4e4b4f7a44a9a9c3e3d1b3c7a2c8b>:0 29 at PuppeteerSharp.EvaluateExceptionResponseStackTrace.Main (System.String[] args) [0x0003a] in <e4d4e4b4f7a44a9a9c3e3d1b3

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EvaluateExceptionResponseStackTrace

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1using System;2using System.IO;3using System.Threading.Tasks;4using PuppeteerSharp;5{6 {7 static async Task Main(string[] args)8 {9 {10 Args = new string[] { "--no-sandbox" }11 };12 using (var browser = await Puppeteer.LaunchAsync(options))13 using (var page = await browser.NewPageAsync())14 {15 page.Request += (sender, e) =>16 {17 Console.WriteLine("Request: " + e.Request.Url);18 };19 page.Response += (sender, e) =>20 {21 Console.WriteLine("Response: " + e.Response.Url);22 };23 page.Console += (sender, e) =>24 {25 Console.WriteLine("Console: " + e.Message.Text);26 };27 page.PageError += (sender, e) =>28 {29 Console.WriteLine("PageError: " + e.Message);30 };31 page.RequestFailed += (sender, e) =>32 {33 Console.WriteLine("RequestFailed: " + e.Failure.Text);34 };35 {36 await page.EvaluateFunctionAsync(@"() => {37 throw new Error('Error raised in page.evaluate');38 }");39 }40 catch (Exception ex)41 {42 Console.WriteLine(ex.Message);43 var stackTrace = await EvaluateExceptionResponseStackTrace.GetStackTraceAsync(page, ex);44 Console.WriteLine(stackTrace);45 }46 }47 {48 Args = new string[] { "--no-sandbox" }49 };50 using (var browser = await Puppeteer.LaunchAsync(options))51 using (var page = await browser.NewPageAsync())52 {53 page.Request += (sender, e) =>54 {55 Console.WriteLine("Request: " + e.Request.Url);56 };57 page.Response += (sender, e

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StackOverFlow community discussions

Questions
Discussion

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Puppeteer Sharp strange behaviour

You can close the page using CloseAsync:

var page = browser.NewPageAsync();
////
await page.CloseAsync();

An using block will also close the page:

using (var page = await new browser.PageAsync())
{
///
}

Puppeteer-Sharp v2.0.3+ also supports await using blocks

await using (var page = await new browser.PageAsync())
{
 ///
}
https://stackoverflow.com/questions/61517099/is-there-a-remove-page-method-corresponding-to-newpageasync-in-puppeteersharp

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