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How to use FrameEvalOnSelectorOptions class of Microsoft.Playwright package

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

IFrame.cs

Source:IFrame.cs

...321        /// expression.322        /// </param>323        /// <param name="arg">Optional argument to pass to <paramref name="expression"/>.</param>324        /// <param name="options">Call options</param>325        Task<T> EvalOnSelectorAsync<T>(string selector, string expression, object? arg = default, FrameEvalOnSelectorOptions? options = default);326        /// <summary>327        /// <para>Returns the return value of <paramref name="expression"/>.</para>328        /// <para>329        /// The method finds all elements matching the specified selector within the frame and330        /// passes an array of matched elements as a first argument to <paramref name="expression"/>.331        /// See <a href="https://playwright.dev/dotnet/docs/selectors">Working with selectors</a>332        /// for more details.333        /// </para>334        /// <para>335        /// If <paramref name="expression"/> returns a <see cref="Task"/>, then <see cref="IFrame.EvalOnSelectorAllAsync"/>336        /// would wait for the promise to resolve and return its value.337        /// </para>338        /// <para>Examples:</para>339        /// <code>var divsCount = await frame.EvalOnSelectorAllAsync&lt;bool&gt;("div", "(divs, min) =&gt; divs.length &gt;= min", 10);</code>...

FrameSynchronous.cs

Source:FrameSynchronous.cs

...1166    /// expression.1167    /// </param>1168    /// <param name="arg">Optional argument to pass to <paramref name="expression"/>.</param>1169    /// <param name="options">Call options</param>1170    public static T EvalOnSelector<T>(this IFrame frame, string selector, string expression, object? arg = null, FrameEvalOnSelectorOptions? options = null)1171    {1172        return frame.EvalOnSelectorAsync<T>(selector, expression, arg).GetAwaiter().GetResult();1173    }1174    /// <summary>1175    /// <para>Returns the return value of <paramref name="expression"/>.</para>1176    /// <para>1177    /// The method finds all elements matching the specified selector within the frame and1178    /// passes an array of matched elements as a first argument to <paramref name="expression"/>.1179    /// See <a href="./selectors.md">Working with selectors</a> for more details.1180    /// </para>1181    /// <para>1182    /// If <paramref name="expression"/> returns a <see cref="Task"/>, then <see cref="IFrame.EvalOnSelectorAllAsync"/>1183    /// would wait for the promise to resolve and return its value.1184    /// </para>...

Frame.cs

Source:Frame.cs

...429                selector: selector,430                script,431                arg: ScriptsHelper.SerializedArgument(arg),432                strict: null).ConfigureAwait(false));433        public async Task<T> EvalOnSelectorAsync<T>(string selector, string expression, object arg = null, FrameEvalOnSelectorOptions options = null)434            => ScriptsHelper.ParseEvaluateResult<T>(await _channel.EvalOnSelectorAsync(435                selector: selector,436                expression,437                arg: ScriptsHelper.SerializedArgument(arg),438                strict: options?.Strict).ConfigureAwait(false));439        public async Task<JsonElement?> EvalOnSelectorAllAsync(string selector, string script, object arg = null)440            => ScriptsHelper.ParseEvaluateResult<JsonElement?>(await _channel.EvalOnSelectorAllAsync(441                selector: selector,442                script,443                arg: ScriptsHelper.SerializedArgument(arg)).ConfigureAwait(false));444        public async Task<T> EvalOnSelectorAllAsync<T>(string selector, string script, object arg = null)445            => ScriptsHelper.ParseEvaluateResult<T>(await _channel.EvalOnSelectorAllAsync(446                selector: selector,447                script,...

Locator.cs

Source:Locator.cs

...114            => _frame.EvalOnSelectorAllAsync<T>(_selector, expression, arg);115        public Task<JsonElement?> EvaluateAsync(string expression, object arg = null, LocatorEvaluateOptions options = null)116            => EvaluateAsync<JsonElement?>(expression, arg, options);117        public Task<T> EvaluateAsync<T>(string expression, object arg = null, LocatorEvaluateOptions options = null)118            => _frame.EvalOnSelectorAsync<T>(_selector, expression, arg, ConvertOptions<FrameEvalOnSelectorOptions>(options));119        public async Task<IJSHandle> EvaluateHandleAsync(string expression, object arg = null, LocatorEvaluateHandleOptions options = null)120            => await WithElementAsync(async (e, _) => await e.EvaluateHandleAsync(expression, arg).ConfigureAwait(false), options).ConfigureAwait(false);121        public async Task FillAsync(string value, LocatorFillOptions options = null)122            => await _frame.FillAsync(_selector, value, ConvertOptions<FrameFillOptions>(options)).ConfigureAwait(false);123        public Task FocusAsync(LocatorFocusOptions options = null)124            => _frame.FocusAsync(_selector, ConvertOptions<FrameFocusOptions>(options));125        IFrameLocator ILocator.FrameLocator(string selector) =>126            new FrameLocator(_frame, $"{_selector} >> {selector}");127        public Task<string> GetAttributeAsync(string name, LocatorGetAttributeOptions options = null)128            => _frame.GetAttributeAsync(_selector, name, ConvertOptions<FrameGetAttributeOptions>(options));129        public Task HoverAsync(LocatorHoverOptions options = null)130            => _frame.HoverAsync(_selector, ConvertOptions<FrameHoverOptions>(options));131        public Task<string> InnerHTMLAsync(LocatorInnerHTMLOptions options = null)132            => _frame.InnerHTMLAsync(_selector, ConvertOptions<FrameInnerHTMLOptions>(options));...

FrameEvalOnSelectorOptions.cs

Source:FrameEvalOnSelectorOptions.cs

...35using System.Threading.Tasks;36#nullable enable37namespace Microsoft.Playwright38{39    public class FrameEvalOnSelectorOptions40    {41        public FrameEvalOnSelectorOptions() { }42        public FrameEvalOnSelectorOptions(FrameEvalOnSelectorOptions clone)43        {44            if (clone == null)45            {46                return;47            }48            Strict = clone.Strict;49        }50        /// <summary>51        /// <para>52        /// When true, the call requires selector to resolve to a single element. If given selector53        /// resolves to more then one element, the call throws an exception.54        /// </para>55        /// </summary>56        [JsonPropertyName("strict")]...

FrameEvalOnSelectorOptions

Using AI Code Generation

1using Microsoft.Playwright;2using System.Threading.Tasks;3{4    {5        static async Task Main(string[] args)6        {7            using var playwright = await Playwright.CreateAsync();8            await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions { Headless = false });9            var context = await browser.NewContextAsync();10            var page = await context.NewPageAsync();11            await page.TypeAsync("input[type='text']", "Playwright");12            await page.ClickAsync("input[type='submit']");13            await page.FrameEvalOnSelectorAsync("iframe", "frame", "frame => frame.contentWindow.document.querySelector('a').href");14        }15    }16}

FrameEvalOnSelectorOptions

Using AI Code Generation

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.Firefox.LaunchAsync(new BrowserTypeLaunchOptions10            {11            });12            var page = await browser.NewPageAsync();13            await page.TypeAsync("input[name='q']", "Playwright");14            var result = await page.FrameEvalOnSelectorAsync("iframe", "iframe => iframe.contentDocument.querySelector('input[name=q]').value");15            Console.WriteLine(result);16            await browser.CloseAsync();17        }18    }19}

FrameEvalOnSelectorOptions

Using AI Code Generation

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            var result = await page.EvalOnSelectorAsync<string>("input[name='q']", "input => input.value");

FrameEvalOnSelectorOptions

Using AI Code Generation

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 BrowserTypeLaunchOptions { Headless = false });13            var page = await browser.NewPageAsync();14            await page.TypeAsync("input[name=q]", "Hello World");15            await page.PressAsync("input[name=q]", "Enter");16            await page.WaitForNavigationAsync();17            await page.ScreenshotAsync("screenshot.png");18            await browser.CloseAsync();19        }20    }21}22using Microsoft.Playwright;23using System;24using System.Collections.Generic;25using System.Linq;26using System.Text;27using System.Threading.Tasks;28{29    {30        static async Task Main(string[] args)31        {32            using var playwright = await Playwright.CreateAsync();33            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions { Headless = false });34            var page = await browser.NewPageAsync();35            await page.TypeAsync("input[name=q]", "Hello World");36            await page.PressAsync("input[name=q]", "Enter");37            await page.WaitForNavigationAsync();38            await page.ScreenshotAsync("screenshot.png");39            await browser.CloseAsync();40        }41    }42}43using Microsoft.Playwright;44using System;45using System.Collections.Generic;

FrameEvalOnSelectorOptions

Using AI Code Generation

1using System;2using Microsoft.Playwright;3using System.Threading.Tasks;4using System.Linq;5{6    {7        static async Task Main(string[] args)8        {9            using var playwright = await Playwright.CreateAsync();10            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions11            {12            });13            var page = await browser.NewPageAsync();14            var searchBox = await page.QuerySelectorAsync("input[title='Search']");15            await page.FillAsync("input[title='Search']", "Playwright");16            await page.PressAsync("input[title='Search']", "Enter");17            await page.WaitForSelectorAsync("text='Playwright - Microsoft Playwright'");18            await page.ClickAsync("text='Playwright - Microsoft Playwright'");19            var result = await page.EvalOnSelectorAsync<int>("text='Playwright - Microsoft Playwright'", "node => node.innerText");20            Console.WriteLine(result);21        }22    }23}

FrameEvalOnSelectorOptions

Using AI Code Generation

1using Microsoft.Playwright;2using Microsoft.Playwright.Helpers;3using Microsoft.Playwright.Transport.Channels;4using System;5using System.Collections.Generic;6using System.IO;7using System.Linq;8using System.Text;9using System.Threading.Tasks;10{11    {12        static async Task Main(string[] args)13        {14            using var playwright = await Playwright.CreateAsync();15            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions16            {17            });18            var context = await browser.NewContextAsync();19            var page = await context.NewPageAsync();20            await page.ClickAsync("input[title='Search']");21            await page.TypeAsync("input[title='Search']", "Hello World");22            await page.Keyboard.PressAsync("Enter");23            var frame = page.MainFrame.ChildFrames.FirstOrDefault();24            var selector = "h3.LC20lb.DKV0Md";25            {26                Args = new object[] { "Hello World" }27            };28            var result = await frame.EvalOnSelectorAsync(options);29            Console.WriteLine(result);30        }31    }32}33const selector = arguments[0];34const text = arguments[1];35const element = document.querySelector(selector);36return element.textContent === text;

FrameEvalOnSelectorOptions

Using AI Code Generation

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 BrowserTypeLaunchOptions 10            { 11            }); 12            var context = await browser.NewContextAsync(); 13            var page = await context.NewPageAsync(); 14            await page.TypeAsync("input[aria-label='Search']", "Hello World"); 15            await page.ClickAsync("input[value='Google Search']"); 16            await page.WaitForLoadStateAsync(LoadState.DOMContentLoaded); 17            var result = await page.EvalOnSelectorAsync<string>("div[class='g']", "div", new FrameEvalOnSelectorOptions 18            { 19            }); 20            Console.WriteLine(result); 21        } 22    } 23}

FrameEvalOnSelectorOptions

Using AI Code Generation

1using Microsoft.Playwright;2using System.Threading.Tasks;3{4    {5        static async Task Main(string[] args)6        {7            using var playwright = await Playwright.CreateAsync();8            await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions { Headless = true });9            var context = await browser.NewContextAsync();10            var page = await context.NewPageAsync();11            var googleFrame = page.Frames[1];12            var searchBox = await googleFrame.QuerySelectorAsync("input[name='q']");13            {14            };15            var result = await googleFrame.EvalOnSelectorAsync(options, "element => element.value");16            await browser.CloseAsync();17        }18    }19}20using Microsoft.Playwright;21using System.Threading.Tasks;22{23    {24        static async Task Main(string[] args)25        {26            using var playwright = await Playwright.CreateAsync();27            await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions { Headless = true });28            var context = await browser.NewContextAsync();29            var page = await context.NewPageAsync();30            var googleFrame = page.Frames[1];31            var searchBox = await googleFrame.QuerySelectorAsync("input[name='q']");32            {33            };34            var result = await googleFrame.EvalOnSelectorAllAsync(options, "element => element.value");35            await browser.CloseAsync();36        }37    }38}

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