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Ajax spinner, RadFileExplorer, ASP.Net Development Server and Form Authentication combo problem....

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FileExplorer
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David Apelt
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David Apelt asked on 20 Oct 2010, 11:42 AM

I discovered this problem today and believe it may be of benefit to the community...

I have a RadFileExplorer and have implemented my own FileBrowserContentProvider that bounces off our database.

Very often when I click on a folder the ajax loading doughnut appears and does not go away.  If I repeatedly click on another folder and then back to the original the doughnut will disappear and the directory listing will appear successfully.


The problem never occurs on a folder with no subfolders or files. But it does occur if the folder has a single subfolder or file.

When it stops working it is associated with an exception appearing in the Visual Studio output window....


A first chance exception of type 'System.Runtime.Serialization.SerializationException' occurred in WebDev.WebHost.dll

I enabled exception breaking on this exception and the stack trace showed....

 WebDev.WebHost.dll!Microsoft.VisualStudio.WebHost.Request.ReadEntityBody(byte[] buffer = {byte[8192]}, int size = 1957) + 0x57 bytes 
  System.Web.dll!System.Web.HttpRequest.GetEntireRawContent() + 0x2c7 bytes 
  System.Web.dll!System.Web.HttpRequest.FillInFormCollection() + 0x13f bytes 
  System.Web.dll!System.Web.HttpRequest.Form.get() + 0x45 bytes 
  System.Web.dll!System.Web.HttpRequest.this[string].get(string key = "HTTP_X_MICROSOFTAJAX") + 0x28 bytes 
  Telerik.Web.UI.dll!Telerik.Web.UI.RadCompression.IsAjaxRequest() + 0x3c bytes 
  Telerik.Web.UI.dll!Telerik.Web.UI.RadCompression.Compress(System.Web.HttpApplication application = {ASP.global_asax}) + 0x348 bytes 
  Telerik.Web.UI.dll!Telerik.Web.UI.RadCompression.PreRequestHandlerExecute(object sender = {ASP.global_asax}, System.EventArgs e = {System.EventArgs}) + 0x4d bytes 
  System.Web.dll!System.Web.HttpApplication.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() + 0x45 bytes 
  System.Web.dll!System.Web.HttpApplication.ExecuteStep(System.Web.HttpApplication.IExecutionStep step = {System.Web.HttpApplication.SyncEventExecutionStep}, ref bool completedSynchronously = true) + 0x4c bytes 
  System.Web.dll!System.Web.HttpApplication.ApplicationStepManager.ResumeSteps(System.Exception error) + 0x133 bytes 
  System.Web.dll!System.Web.HttpApplication.ResumeStepsFromThreadPoolThread(System.Exception error) + 0x25 bytes 
  System.Web.dll!System.Web.HttpApplication.AsyncEventExecutionStep.ResumeStepsWithAssert(System.Exception error) + 0x28 bytes 
  System.Web.dll!System.Web.HttpApplication.AsyncEventExecutionStep.OnAsyncEventCompletion(System.IAsyncResult ar) + 0x84 bytes 
  System.Web.dll!System.Web.HttpAsyncResult.Complete(bool synchronous, object result, System.Exception error, System.Web.RequestNotificationStatus status) + 0x3e bytes 
  System.Web.dll!System.Web.SessionState.SessionStateModule.PollLockedSessionCallback(object state) + 0x1af bytes 
  mscorlib.dll!System.Threading._TimerCallback.TimerCallback_Context(object state) + 0x2f bytes 
  mscorlib.dll!System.Threading.ExecutionContext.runTryCode(object userData) + 0x51 bytes 
  [Native to Managed Transition] 
  [Managed to Native Transition] 
  mscorlib.dll!System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext executionContext, System.Threading.ContextCallback callback, object state) + 0x67 bytes 
  mscorlib.dll!System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext executionContext, System.Threading.ContextCallback callback, object state) + 0x45 bytes 
  mscorlib.dll!System.Threading._TimerCallback.PerformTimerCallback(object state) + 0x6b bytes 
  [Appdomain Transition] 

I have discovered what it is though. It is unrelated to Telerik. I am running against ASP.NET development server and we have forms authentication.  Often we receive the exception...

Type 'Signmanager.Security.Security' in assembly 'Signmanager.Security.Bec, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' is not marked as serializable.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

[SerializationException: Type 'Signmanager.Security.Security' in assembly 'Signmanager.Security.Bec, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' is not marked as serializable.]
   Microsoft.VisualStudio.WebHost.Server.GetProcessToken() +0
   Microsoft.VisualStudio.WebHost.Host.GetProcessToken() +87
   Microsoft.VisualStudio.WebHost.Request.GetUserToken() +35
   Microsoft.VisualStudio.WebHost.Request.GetServerVariable(String name) +202
   System.Web.HttpRequest.AddServerVariableToCollection(String name) +25
   System.Web.HttpRequest.FillInServerVariablesCollection() +188
   System.Web.HttpServerVarsCollection.Populate() +34
   System.Web.HttpServerVarsCollection.Get(String name) +8637927
   System.Collections.Specialized.NameValueCollection.get_Item(String name) +7
   System.Web.HttpRequest.get_Item(String key) +105
   System.Web.UI.Page.get_LastFocusedControl() +59
   System.Web.UI.Page.BeginFormRender(HtmlTextWriter writer, String formUniqueID) +8704633
   System.Web.UI.HtmlControls.HtmlForm.RenderChildren(HtmlTextWriter writer) +54
   System.Web.UI.HtmlControls.HtmlContainerControl.Render(HtmlTextWriter writer) +32
   System.Web.UI.HtmlControls.HtmlForm.Render(HtmlTextWriter output) +51
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +27
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +99
   System.Web.UI.HtmlControls.HtmlForm.RenderControl(HtmlTextWriter writer) +40
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +134
   System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +19
   System.Web.UI.Page.Render(HtmlTextWriter writer) +29
   Signmanager.Web.UI2.PageBase.Render(HtmlTextWriter writer) in C:\Fast Data\SMWeb20\Signmanager.Web.UI2\PageBase.cs:1507
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +27
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +99
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +25
   Telerik.Web.UI.RadAjaxControl.RenderPageInAjaxMode(HtmlTextWriter writer, Control page) +699
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +256
   System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +19
   System.Web.UI.Page.Render(HtmlTextWriter writer) +29
   Signmanager.Web.UI2.PageBase.Render(HtmlTextWriter writer) in C:\Fast Data\SMWeb20\Signmanager.Web.UI2\PageBase.cs:1542
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +27
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +99
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +25
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1266

 
This is a well known short coming of ASP.NET development server running against forms authentication.


It appears that this same problem is responsible for the problems with RadFileExplorer.


When I turned off forms authentication RadFileExplorer started working perfectly.

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Fiko
Telerik team
answered on 20 Oct 2010, 12:06 PM
Hi David,

Thank you for sharing your experience. Your Telerik points were updated.

Best wishes,
Fiko
the Telerik team
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David Apelt
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Fiko
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