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How to use GoToAsync method of PuppeteerSharp.Page class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Page.GoToAsync

PuppeteerMethods.cs

Source:PuppeteerMethods.cs

...37            {38                try39                {40                    WaitUntilNavigation[] waitUntil = new[] { WaitUntilNavigation.Networkidle0, WaitUntilNavigation.Networkidle2, WaitUntilNavigation.DOMContentLoaded, WaitUntilNavigation.Load };41                    await page.GoToAsync("http://www.google.com", new NavigationOptions { WaitUntil = waitUntil });42                    var filePath = "D:\\PdfFiles";43                    var fileName = Guid.NewGuid() + ".pdf";44                    if (!Directory.Exists(filePath))45                        Directory.CreateDirectory(filePath);46                    await page.PdfAsync(Path.Combine(filePath, fileName));47                    return new SuccessPuppeteerResult("Pdf Created Succesfully");48                }49                catch (Exception ex)50                {51                    return new ErrorPuppeteerResult("Error Occured! Detail: " + ex.Message);52                }53                finally54                {55                    CloseChromium(page);56                }57            }58        }59        public static async Task<PuppeteerResult> TakeScreenShot(string url)60        {61            using (var page = await OpenChromiumPage())62            {63                try64                {65                    WaitUntilNavigation[] waitUntil = new[] { WaitUntilNavigation.Networkidle0, WaitUntilNavigation.Networkidle2, WaitUntilNavigation.DOMContentLoaded, WaitUntilNavigation.Load };66                    await page.GoToAsync(url, new NavigationOptions { WaitUntil = waitUntil });67                    var filePath = "D:\\Screenshots";68                    var fileName = Guid.NewGuid() + ".png";69                    if (!Directory.Exists(filePath))70                        Directory.CreateDirectory(filePath);71                    await page.SetViewportAsync(new ViewPortOptions72                    {73                        Width = 1280,74                        Height = 72075                    });76                    await page.ScreenshotAsync(Path.Combine(filePath, fileName));77                    return new SuccessPuppeteerResult("Screenshot has taken succesfully");78                }79                catch (Exception ex)80                {81                    return new ErrorPuppeteerResult("Error Occured! Detail: " + ex.Message);82                }83                finally84                {85                    CloseChromium(page);86                }87            }88        }89        public static async Task<string> TakeHtmlContent()90        {91            using (var page = await OpenChromiumPage())92            {93                WaitUntilNavigation[] waitUntil = new[] { WaitUntilNavigation.Networkidle0, WaitUntilNavigation.Networkidle2, WaitUntilNavigation.DOMContentLoaded, WaitUntilNavigation.Load };94                await page.GoToAsync("http://www.google.com", new NavigationOptions { WaitUntil = waitUntil });95                return await page.GetContentAsync();96            }97        }98        public static async Task<string> SetHtmlToPage()99        {100            using (var page = await OpenChromiumPage())101            {102                WaitUntilNavigation[] waitUntil = new[] { WaitUntilNavigation.Networkidle0, WaitUntilNavigation.Networkidle2, WaitUntilNavigation.DOMContentLoaded, WaitUntilNavigation.Load };103                await page.SetContentAsync("<div><h1>Hello World!</h1></div>");104                return await page.GetContentAsync();105            }106        }107        public static async Task<PuppeteerDataResult<string>> GetTitleOfPage(string url)108        {109            using (var page = await OpenChromiumPage())110            {111                try112                {113                    WaitUntilNavigation[] waitUntil = new[] { WaitUntilNavigation.Networkidle0, WaitUntilNavigation.Networkidle2, WaitUntilNavigation.DOMContentLoaded, WaitUntilNavigation.Load };114                    await page.GoToAsync(url, new NavigationOptions { WaitUntil = waitUntil });115                    var title = await page.GetTitleAsync();116                    return new SuccessPuppeteerDataResult<string>(title, "Get Title Successfully");117                }118                catch (Exception ex)119                {120                    return new ErrorPuppeteerDataResult<string>("Error Occured! Detail: " + ex.Message);121                }122                finally123                {124                    CloseChromium(page);125                }126            }127        }128        public static async Task<Frame[]> GetAllFrames()129        {130            using (var page = await OpenChromiumPage())131            {132                WaitUntilNavigation[] waitUntil = new[] { WaitUntilNavigation.Networkidle0, WaitUntilNavigation.Networkidle2, WaitUntilNavigation.DOMContentLoaded, WaitUntilNavigation.Load };133                await page.GoToAsync("https://www.google.com", new NavigationOptions { WaitUntil = waitUntil });134                return page.Frames;135            }136        }137        public static async Task<PuppeteerResult> LoginFacebook(string username, string password)138        {139            using (var page = await OpenChromiumPage())140            {141                try142                {143                    WaitUntilNavigation[] waitUntil = new[] { WaitUntilNavigation.Networkidle0, WaitUntilNavigation.Networkidle2, WaitUntilNavigation.DOMContentLoaded, WaitUntilNavigation.Load };144                    await page.GoToAsync("https://tr-tr.facebook.com/", new NavigationOptions { WaitUntil = waitUntil });145                    await page.WaitForSelectorAsync("input#email");146                    //You must change your facebook login informations.147                    await page.TypeAsync("input#email", username);148                    await page.TypeAsync("input#pass", password);149                    await page.ClickAsync("button[name='login']");150                    await page.WaitForNavigationAsync();151                    var HtmlContent = await page.GetContentAsync();152                    var Cookie = await page.GetCookiesAsync();153                    var TitleOfPage = await page.GetTitleAsync();154                    var filePath = "D:\\PdfFiles";155                    var fileName = Guid.NewGuid() + ".pdf";156                    if (!Directory.Exists(filePath))157                        Directory.CreateDirectory(filePath);158                    await page.PdfAsync(Path.Combine(filePath, fileName));159                    return new SuccessPuppeteerResult("Pdf Created Succesfully");160                }161                catch (Exception ex)162                {163                    return new ErrorPuppeteerResult("Error Occured! Detail: " + ex.Message);164                }165                finally166                {167                    CloseChromium(page);168                }169            }170        }171        public static async Task<List<string>> VideoLinkList(Page page)172        {173            WaitUntilNavigation[] waitUntil = new[] { WaitUntilNavigation.Networkidle0, WaitUntilNavigation.Networkidle2, WaitUntilNavigation.DOMContentLoaded, WaitUntilNavigation.Load };            174            var next = @"document.getElementById('pnnext')";175            var nexts = await page.EvaluateExpressionAsync<object>(next);176            var linkList = new List<string>();177            var isLastPage = (nexts == null);178            while ((nexts != null) || !isLastPage)179            {180                var jsSelectAllAnchors = @"Array.from(document.querySelectorAll('.g'))";181                var urls = await page.EvaluateExpressionAsync<object[]>(jsSelectAllAnchors);182                for (int i = 0; i < urls.Length; i++)183                {184                    var query = $"document.querySelectorAll('.g')[{i}].getElementsByTagName('a')[0].href";185                    linkList.Add(await page.EvaluateExpressionAsync<string>(query));186                }187                nexts = await page.EvaluateExpressionAsync<object>(next);188                if (nexts != null)189                {190                    var nextHref = @"document.getElementById('pnnext').href";191                    var nextHrefUrl = await page.EvaluateExpressionAsync<string>(nextHref);192                    isLastPage = (nexts == null) && !string.IsNullOrEmpty(nextHrefUrl);193                    await page.GoToAsync(nextHrefUrl, new NavigationOptions { WaitUntil = waitUntil });194                    nexts = await page.EvaluateExpressionAsync<object>(next);195                }196                else197                {198                    isLastPage = true;199                }200            }201            return linkList;202        } 203        public static async Task<PuppeteerDataResult<List<string>>> GetVideoSearchVideoResultUrlList(string url, string searchWord)204        {205            using (var page = await OpenChromiumPage())206            {207                WaitUntilNavigation[] waitUntil = new[] { WaitUntilNavigation.Networkidle0, WaitUntilNavigation.Networkidle2, WaitUntilNavigation.DOMContentLoaded, WaitUntilNavigation.Load };208                await page.GoToAsync(url, new NavigationOptions { WaitUntil = waitUntil });209                await SearchOnGoogle(searchWord, page);210                //Click Video Tab211                var videoTabElement = @"document.getElementsByClassName('hdtb-mitem')[4].getElementsByTagName('a')[0].href";212                var videoTabLink = await page.EvaluateExpressionAsync<string>(videoTabElement);                213                await page.GoToAsync(videoTabLink, new NavigationOptions { WaitUntil = waitUntil });214                                215                var result= await VideoLinkList(page);                                 216                return new SuccessPuppeteerDataResult<List<string>>(result, "Get Title Successfully");               217            }218        }219        public static async Task<PuppeteerDataResult<string>> GetSearchStaticticDetail(string url, string searchWord)220        {221            using (var page = await OpenChromiumPage())222            {223                WaitUntilNavigation[] waitUntil = new[] { WaitUntilNavigation.Networkidle0, WaitUntilNavigation.Networkidle2, WaitUntilNavigation.DOMContentLoaded, WaitUntilNavigation.Load };224                await page.GoToAsync(url, new NavigationOptions { WaitUntil = waitUntil });225                await SearchOnGoogle(searchWord, page);226                var jsExpression = @"document.querySelectorAll('#result-stats')[0].innerHTML";227                var result = await page.EvaluateExpressionAsync<string>(jsExpression);228                return new SuccessPuppeteerDataResult<string>(result, "");229            }230        }231        private static async Task SearchOnGoogle(string searchWord, Page page)232        {233            WaitUntilNavigation[] waitUntil = new[] { WaitUntilNavigation.Networkidle0, WaitUntilNavigation.Networkidle2, WaitUntilNavigation.DOMContentLoaded, WaitUntilNavigation.Load };234            //Search Text Input235            await page.WaitForSelectorAsync("input[name='q']");236            await page.TypeAsync("input[name='q']", searchWord);237            //Search on Google Button and Click Operation238            await page.WaitForSelectorAsync("input[name='btnK']");...

SaveWebPage.xaml.cs

Source:SaveWebPage.xaml.cs

...41                    Headless = true42                });4344                var page = await browser.NewPageAsync();  //æå¼ä¸ä¸ªæ°æ ç¾45                await page.GoToAsync(this.tbox_Url.Text); //è®¿é®é¡µé¢4647                //è®¾ç½®æªå¾éé¡¹48                PuppeteerSharp.ScreenshotOptions screenshotOptions = new PuppeteerSharp.ScreenshotOptions();49                //screenshotOptions.Clip = new PuppeteerSharp.Media.Clip() { Height = 0, Width = 0, X = 0, Y = 0 };//è®¾ç½®æªåªåºå50                screenshotOptions.FullPage = true; //æ¯å¦æªåæ´ä¸ªé¡µé¢51                screenshotOptions.OmitBackground = false;//æ¯å¦ä½¿ç¨éæèæ¯ï¼èä¸æ¯é»è®¤ç½è²èæ¯52                screenshotOptions.Quality = 100; //æªå¾è´¨é 0-100ï¼pngä¸å¯ç¨ï¼53                screenshotOptions.Type = PuppeteerSharp.ScreenshotType.Jpeg; //æªå¾æ ¼å¼5455                var fileName = Environment.CurrentDirectory + $"\\download\\{await page.GetTitleAsync()}.jpg";5657                if (System.IO.File.Exists(fileName))58                {59                    fileName = fileName.Replace(".jpg", $"{DateTime.Now.ToString("ffff")}.jpg");60                }6162                await page.ScreenshotAsync(fileName, screenshotOptions);6364                if (System.IO.File.Exists(fileName))65                {66                    BitmapImage bi = new BitmapImage();67                    bi.BeginInit();68                    bi.UriSource = new Uri(fileName, UriKind.Absolute);69                    bi.EndInit();70                    this.image.Source = bi;71                }72                else73                {74                    EMessageBox.Show("ä¿åç½é¡µæªå¾å¤±è´¥");75                }7677                //å¨æåè®°å¾å³éæµè§å¨åéæ¾èµæº78                browser.Disconnect();79                browser.Dispose();80            }81            catch(Exception ex)82            {83                EMessageBox.Show(ex.Message);84            }85        }8687        private async void btn_SaveAsPDF_Click(object sender, RoutedEventArgs e)88        {89            //æå¼ç½é¡µçæä½è·ä¸é¢æ¯ä¸æ ·ç90            try91            {92                await new PuppeteerSharp.BrowserFetcher().DownloadAsync(PuppeteerSharp.BrowserFetcher.DefaultRevision);93                var browser = await PuppeteerSharp.Puppeteer.LaunchAsync(new PuppeteerSharp.LaunchOptions94                {95                    Headless = true96                });97                var page = await browser.NewPageAsync();  //æå¼ä¸ä¸ªæ°æ ç¾98                await page.GoToAsync(this.tbox_Url.Text); //è®¿é®é¡µé¢99100                //è®¾ç½®PDFéé¡¹101                PuppeteerSharp.PdfOptions pdfOptions = new PuppeteerSharp.PdfOptions();102                pdfOptions.DisplayHeaderFooter = false; //æ¯å¦æ¾ç¤ºé¡µçé¡µè103                pdfOptions.FooterTemplate = "";   //é¡µèææ¬104105                var width = await page.EvaluateFunctionAsync<int>("function getWidth(){return document.body.scrollWidth}");106                var height = await page.EvaluateFunctionAsync<int>("function getHeight(){return document.body.scrollHeight}");107108                pdfOptions.Width = $"{width}px";109                pdfOptions.Height = $"{height}px";110111                pdfOptions.HeaderTemplate = "";   //é¡µçææ¬112                pdfOptions.Landscape = false;     //çº¸å¼ æ¹å false-åç´ true-æ°´å¹³
...

ReportService.cs

Source:ReportService.cs

...64            var browser = await GetBrowser();6566            using (var page = await browser.NewPageAsync())67            {68                //await page.GoToAsync("http://localhost:59375/");69                //await page.GoToAsync("https://github.com/kblok/puppeteer-sharp");70                //await page.SetContentAsync("<html><head></head><body>test</body></html>");71                //await page.SetContentAsync(html);7273                htmlOrUrl = fromUrl ? htmlOrUrl : "data:text/html," + htmlOrUrl;7475                await page.GoToAsync(htmlOrUrl, new NavigationOptions()76                {77                    WaitUntil = new WaitUntilNavigation[] { WaitUntilNavigation.Load, WaitUntilNavigation.Networkidle0 },78                    Timeout = 600000 // Timeoutã10åï¼åæå¤ã¯30ç§ï¼79                });8081                var stream = await page.PdfStreamAsync(option);82                return stream;83            }84        }8586        /// <summary>87        /// ããã©ã«ãã®Pdfãªãã·ã§ã³ãä½æããã88        /// </summary>89        /// <returns></returns>
...

TimeTrackingController.cs

Source:TimeTrackingController.cs

...30                {31                    return;32                }33                34                await page.GoToAsync(@"https://timetracker.bairesdev.com/");35                await page.TypeAsync("#ctl00_ContentPlaceHolder_UserNameTextBox", tracking.User);36                await page.TypeAsync("#ctl00_ContentPlaceHolder_PasswordTextBox", tracking.Password);37                await page.ClickAsync("#ctl00_ContentPlaceHolder_LoginButton");38                await page.GoToAsync(@"https://timetracker.bairesdev.com/CargaTimeTracker.aspx");39                40                await page.EvaluateExpressionAsync($@"document.querySelector('#ctl00_ContentPlaceHolder_txtFrom').value = null");41                await page.TypeAsync("#ctl00_ContentPlaceHolder_txtFrom", tracking.Date, new TypeOptions{ Delay = 30 });42                var dropProject = await page.QuerySelectorAsync("#ctl00_ContentPlaceHolder_idProyectoDropDownList");43                await dropProject.ClickAsync();44                45                var children = await dropProject.QuerySelectorAllAsync("option");46                await children[2].ClickAsync();47                    48                await page.ClickAsync("#ctl00_ContentPlaceHolder_TiempoTextBox");49                await page.TypeAsync("#ctl00_ContentPlaceHolder_TiempoTextBox", tracking.Hours.ToString(), new TypeOptions{ Delay = 30 });50                await page.ClickAsync("#ctl00_ContentPlaceHolder_idTipoAsignacionDropDownList");51                //await page.FocusAsync("#ctl00_ContentPlaceHolder_idTipoAsignacionDropDownList");52                //await page.SelectAsync("#ctl00_ContentPlaceHolder_idTipoAsignacionDropDownList", tracking.AssignmentType);...

InstagramService.cs

Source:InstagramService.cs

...25                using (var browser = await Puppeteer.LaunchAsync(optionsLaunch))26                using (var page = await browser.NewPageAsync())27                {28                    var profileUrl = $"https://www.instagram.com/{profile}/";29                    await page.GoToAsync(profileUrl);30                    var jsSelectAllAnchors = @"Array.from(document.querySelectorAll('article a')).map(el => {31                                                const url = el.href;32                                                const child = el.firstChild.firstChild.firstChild33                                                return {34                                                            link: url, 35                                                            description: child.alt, 36                                                            src: child.src37                                                       }38                                            })";39                    var images = await page.EvaluateExpressionAsync<Image[]>(jsSelectAllAnchors);40                    result = images;41                   await page.CloseAsync();42                }43            }...

WebBrowser.cs

Source:WebBrowser.cs

...11            using (var browser = await GetBrowser())12            {13                using (var page = await browser.NewPageAsync())14                {15                    await page.GoToAsync(url);16                    var bytes = await page.PdfDataAsync(new PdfOptions { MarginOptions = new PuppeteerSharp.Media.MarginOptions { Top = "1cm", Bottom = "1cm" } });17                    var browserPath = ApiFactory.GetBrowserPath();18                    var pdfPath = Path.Combine(browserPath, "pdf");19                    if (!Directory.Exists(pdfPath))20                    {21                        Directory.CreateDirectory(pdfPath);22                    }23                    var pdfFilePath = Path.Combine(pdfPath, Path.GetFileNameWithoutExtension(Path.GetTempFileName()) + ".pdf");24                    await File.WriteAllBytesAsync(pdfFilePath, bytes);25                    var fileInfo = new FileInfo(pdfFilePath);26                    return fileInfo;27                }28            }29        }30        31        public async Task<string> Content(string url)32        {33            using (var browser = await GetBrowser())34            {35                using (var page = await browser.NewPageAsync())36                {37                    await page.GoToAsync(url);38                    var result = await page.GetContentAsync();39                    return result;40                }41            }42        }43        public async Task<byte[]> Screenshot(string url)44        {45            using (var browser = await GetBrowser())46            {47                using (var page = await browser.NewPageAsync())48                {49                    await page.GoToAsync(url);50                    var result = await page.ScreenshotDataAsync();51                    return result;52                }53            }54        }55    }56}...

BrowserTests.cs

Source:BrowserTests.cs

...44            {45                if (e.Message.Type == ConsoleType.Error)46                    hasError = true;47            }48            await page.GoToAsync(BaseAddress);49            var selector = await page.WaitForSelectorAsync("div.table-responsive > table > tbody > tr:nth-child(1) > td:nth-child(3)");50            (await selector.InnerTextAsync()).ShouldBe("Astrix Mariette");51            hasError.ShouldBeFalse();52            await PrintPerf(page);53        }54    }55}...

DocumentsController.cs

Source:DocumentsController.cs

...18		public static async Task<Stream> GeneratePdfAsync(string url, bool landscape) {19			var options = new LaunchOptions { Headless = true, ExecutablePath = @"/usr/bin/chromium-browser", Args = new string[] { "--no-sandbox" } };20			using (var browser = await Puppeteer.LaunchAsync(options))21			using (var page = await browser.NewPageAsync()) {22				await page.GoToAsync(url);23				return await page.PdfStreamAsync(new PdfOptions() { Format = PuppeteerSharp.Media.PaperFormat.A4, Landscape = landscape, OmitBackground = true, PrintBackground = true });24			}25		}26	}27}...

GoToAsync

Using AI Code Generation

1var page = await browser.NewPageAsync();2var page = await browser.NewPageAsync();3var page = await browser.NewPageAsync();4var page = await browser.NewPageAsync();5var page = await browser.NewPageAsync();6var page = await browser.NewPageAsync();7var page = await browser.NewPageAsync();8var page = await browser.NewPageAsync();9var page = await browser.NewPageAsync();

GoToAsync

Using AI Code Generation

1var browser = await Puppeteer.LaunchAsync(new LaunchOptions2{3});4var page = await browser.NewPageAsync();5await page.ScreenshotAsync("google.png");6await browser.CloseAsync();7var browser = await Puppeteer.LaunchAsync(new LaunchOptions8{9});10var page = await browser.NewPageAsync();11await page.ScreenshotAsync("google.png");12await browser.CloseAsync();13var browser = await Puppeteer.LaunchAsync(new LaunchOptions14{15});16var page = await browser.NewPageAsync();17await page.ScreenshotAsync("google.png");18await browser.CloseAsync();19var browser = await Puppeteer.LaunchAsync(new LaunchOptions20{21});22var page = await browser.NewPageAsync();23await page.ScreenshotAsync("google.png");24await browser.CloseAsync();25var browser = await Puppeteer.LaunchAsync(new LaunchOptions26{27});28var page = await browser.NewPageAsync();29await page.ScreenshotAsync("google.png");

GoToAsync

Using AI Code Generation

1using System.Threading.Tasks;2using PuppeteerSharp;3{4    {5        static async Task Main(string[] args)6        {7            {8            };9            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);10            using (var browser = await Puppeteer.LaunchAsync(options))11            {12                using (var page = await browser.NewPageAsync())13                {14                }15            }16        }17    }18}

GoToAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    static async Task Main(string[] args)6    {7        {8            ExecutablePath = "C:\\Program Files (x86)\\Google\\Chrome\\Application\\chrome.exe"9        };10        using (var browser = await Puppeteer.LaunchAsync(options))11        {12            using (var page = await browser.NewPageAsync())13            {14            }15        }16    }17}18using System;19using System.Threading.Tasks;20using PuppeteerSharp;21{22    static async Task Main(string[] args)23    {24        {25            ExecutablePath = "C:\\Program Files (x86)\\Google\\Chrome\\Application\\chrome.exe"26        };27        using (var browser = await Puppeteer.LaunchAsync(options))28        {29            using (var page = await browser.NewPageAsync())30            {31                await page.WaitForTimeoutAsync(5000);32            }33        }34    }35}36using System;37using System.Threading.Tasks;38using PuppeteerSharp;39{40    static async Task Main(string[] args)41    {42        {43            ExecutablePath = "C:\\Program Files (x86)\\Google\\Chrome\\Application\\chrome.exe"44        };45        using (var browser = await Puppeteer.LaunchAsync(options))46        {47            using (var page = await browser.NewPageAsync())48            {

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