I have a problem
When i <b>was using Ajax Control Tool Kit 1.0</b> that time i was getting no source code available further ...... that kind of error was comming.
But now I <b>changed my Ajax Control Tool kit to 3.0</b> now i am getting exception
<b>Description:</b>
"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."
<b>Exception Details:</b>
System.Web.HttpException: Multiple controls with the same ID '_header' were found. FindControl requires that controls have unique IDs.
<b>Stack Trace:</b>
<pre lang="vb">[HttpException (0x80004005): Multiple controls with the same ID '_header' were found. FindControl requires that controls have unique IDs.]
System.Web.UI.Control.FillNamedControlsTable(Control namingContainer, ControlCollection controls) +273
System.Web.UI.Control.FillNamedControlsTable(Control namingContainer, ControlCollection controls) +320
System.Web.UI.Control.FillNamedControlsTable(Control namingContainer, ControlCollection controls) +320
System.Web.UI.Control.FillNamedControlsTable(Control namingContainer, ControlCollection controls) +320
System.Web.UI.Control.FillNamedControlsTable(Control namingContainer, ControlCollection controls) +320
System.Web.UI.Control.FillNamedControlsTable(Control namingContainer, ControlCollection controls) +320
System.Web.UI.Control.EnsureNamedControlsTable() +61
System.Web.UI.Control.FindControl(String id, Int32 pathOffset) +222
System.Web.UI.Control.FindControl(String id, Int32 pathOffset) +255
System.Web.UI.Control.FindControl(String id) +12
AjaxControlToolkit.ExtenderControlBase.FindControlHelper(String id) in C:\Users\swalther\Projects\AspNetAjax\Releases\30930\AjaxControlToolkitSource\AjaxControlToolkit\ExtenderBase\ExtenderControlBase.cs:181
AjaxControlToolkit.ExtenderControlBase.FindControl(String id) in C:\Users\swalther\Projects\AspNetAjax\Releases\30930\AjaxControlToolkitSource\AjaxControlToolkit\ExtenderBase\ExtenderControlBase.cs:209
System.Web.UI.ExtenderControl.RegisterWithScriptManager() +72
System.Web.UI.ExtenderControl.OnPreRender(EventArgs e) +19
AjaxControlToolkit.ExtenderControlBase.OnPreRender(EventArgs e) in C:\Users\swalther\Projects\AspNetAjax\Releases\30930\AjaxControlToolkitSource\AjaxControlToolkit\ExtenderBase\ExtenderControlBase.cs:367
System.Web.UI.Control.PreRenderRecursiveInternal() +80
System.Web.UI.Control.PreRenderRecursiveInternal() +171
System.Web.UI.Control.PreRenderRecursiveInternal() +171
System.Web.UI.Control.PreRenderRecursiveInternal() +171
System.Web.UI.Control.PreRenderRecursiveInternal() +171
System.Web.UI.Control.PreRenderRecursiveInternal() +171
System.Web.UI.Control.PreRenderRecursiveInternal() +171
System.Web.UI.WebControls.WebParts.WebPart.PreRenderRecursiveInternal() +42
System.Web.UI.Control.PreRenderRecursiveInternal() +171
System.Web.UI.Control.PreRenderRecursiveInternal() +171
System.Web.UI.Control.PreRenderRecursiveInternal() +171
System.Web.UI.Control.PreRenderRecursiveInternal() +171
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +842</pre>
Please send some solution on this problem I am searching for almost 2 days for it.
Thanks.