Hi
I am developed one SharePoint web part that has Ajax Update Panel. the update panel is used to refresh combo box.
This web part work fine development environment. But when it is deployed to production it throws exception while inserting this custom web part to site page.
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Message from webpage
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Attempt by method 'ContractMgmtSys.ContractEntryFormWP.ContractEntryFormWP.__BuildControlpnlRequired()' to access method 'ContractMgmtSys.ContractEntryFormWP.ContractEntryFormWP.__BuildControlUpdatePanel1()' failed.
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OK
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I have verified that this control is added to safe control list in web.config
I am clue less why is happening.
Can any one please help me, this is very critical for me.
Thanks for any help