Error Creating Object refrence not set to an instance of an object

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All the controls in the asp.net 4.0 make error in design time(Error Creating Object refrence not set to an instance of an object).While running in browser no problem.Please help me anybody to solve this issue

Posted 19-Apr-11 19:46pm

Jameel VM

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walterhevedeich 20-Apr-11 1:52am

The question is not clear. Care to clarify your scenario?

Jameel VM 20-Apr-11 3:40am

Error Creating Control in designer in asp.net page

Debojyoti Majumder 20-Apr-11 2:00am

Please share your code.

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Prerak Patel · Answer 1 · 2011-04-19T20:18:00

Seems like a known bug
http://blogs.msdn.com/b/webdevtools/archive/2010/05/06/another-error-creating-control-in-the-design-view-with-object-reference-not-set-in-visual-studio-2010.aspx[^]
http://blogs.msdn.com/b/webdevtools/archive/2010/04/15/rendering-issue-in-visual-studio-2010-when-accessing-the-session-state-in-the-oninit-method.aspx[^]

A simple workaround for this issue would be to check if we are in the design mode at the top of the OnInit() method, below the base.OnInit() call.

Error Creating Object refrence not set to an instance of an object

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Error Creating Object refrence not set to an instance of an object

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