C# Invoke JavaScript in WebBrowser
.net, c#, javascript, windows-phone-8, wpf
Solution
You need to set the `WebBrowser.IsScriptEnabled` to `true` (it is `false` by default)
Problem
I am trying to invoke JavaScript method in my `WebBrowser` : ``` WebBrowser webBrowser = new WebBrowser(); webBrowser.NavigateToString(html); webBrowser.LoadCompleted += ((s, r) => { try { object tmp = webBrowser.InvokeScript("GetData"); } catch (Exception exc) { } }); ``` This is the `HTML` : ``` <html><head> <meta http-equiv="content-type" content="text/html; charset=ISO-8859-1"> <title></title> <script type="text/javascript"> function GetData () { return 50; } </script> ``` But when i invoke the javascript with : ``` object tmp = webBrowser.InvokeScript("GetData"); ``` I get `Exception`: Message: ``` An unknown error has occurred. Error: 80020006. ``` StakeTrace: ``` at Microsoft.Phone.Controls.NativeMethods.ValidateHResult(Int32 hr) at Microsoft.Phone.Controls.WebBrowserInterop.InvokeScript(String scriptName, String[] args) at Microsoft.Phone.Controls.WebBrowser.InvokeScript(String scriptName) at YouTube.YouTubeExtractor.<>c__DisplayClass1.<ExtractVideoById>b__0(Object s, NavigationEventArgs r) ```