RoxAnne (sandrasolaria) wrote in thequestionclub,
RoxAnne
sandrasolaria
thequestionclub

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I'm building a website for a friend, and I'm using Microsoft Web Expression to do so. There's an asp.net control for a Tree view link bar. I'm trying to test the website, but when I do, it just gives me an error. Server Error in '/hiddentreasures6' Application.
Using TreeView.HoverStyle requires Page.Header to be non-null (e.g. ).
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.

Exception Details: System.InvalidOperationException: Using TreeView.HoverStyle requires Page.Header to be non-null (e.g. ).

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[InvalidOperationException: Using TreeView.HoverStyle requires Page.Header to be non-null (e.g. ).]
System.Web.UI.WebControls.TreeView.EnsureRenderSettings() +1003
System.Web.UI.WebControls.TreeView.OnPreRender(EventArgs e) +57
System.Web.UI.Control.PreRenderRecursiveInternal() +88
System.Web.UI.Control.PreRenderRecursiveInternal() +171
System.Web.UI.Control.PreRenderRecursiveInternal() +171
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +5676

Does anyone know how to fix this?
If you don't, do you know of some good websites or communities that could help me with this?
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