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8.2

Strange randomly occuring problem

Asked by DreamMaster in Programming for ASP.NET, Microsoft Visual Basic.Net

Tags: type, cast, object

Hello fellow Experts, please shine your light on a strange randomly occuring error message I am getting.

For several websites I build at my company (and two colleagues have exactly the same problems) I am getting error messages out of the blue, after sometimes months of working flawlessly. The error we get is:

Unable to cast object of type 'ASP.template_master' to type 'ASP.template_master'.

This is occuring at the time of a page Preload event, for which the code is:

Sub Page_PreRender()
   If control.ToString = "ASP.ControlArticle" Then
      Master.PageTitle = control.pageTitle
   End If
End Sub

Nothing to get excited about I would say, don't you agree?

This error is occuring on the line Master.PageTitle = control.pageTitle

The weirdest thing of all is that if I comment out the line, save the file, then open the file, uncomment the line and save again...everything works as it should again.

Ofcourse this is very bad to have happening to our sites, so if anyone can shed some light on why this is happening and what to do to solve it...I would be one happy camper!! ;)

Thanks in advance and I hope someone can help me with this weird problem.
[+][-]08/27/07 05:23 AM, ID: 19774952Accepted Solution

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About this solution

Zones: Programming for ASP.NET, Microsoft Visual Basic.Net
Tags: type, cast, object
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Solution Provided By: TSmooth
Participating Experts: 2
Solution Grade: A
 
[+][-]08/27/07 01:07 PM, ID: 19778248Assisted Solution

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[+][-]08/27/07 11:57 PM, ID: 19780827Author Comment

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[+][-]08/28/07 11:45 PM, ID: 19789174Author Comment

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[+][-]08/29/07 05:12 AM, ID: 19790411Expert Comment

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[+][-]08/29/07 09:12 AM, ID: 19792704Author Comment

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[+][-]09/04/07 12:08 AM, ID: 19823543Author Comment

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