javascript - Run time error in Modal popup extender -

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when im using modal popup extender in asp.net pages got "microsoft jscript runtime error: '_popupelement.parentnode' null or not object" run time error every time. know overcome problem.

this modalpopup tag

remove visisbilty = "false" attribute target panel control. modal popup handle visiblity you. additionally check page codebehind not set visibilty false of target panel. let pop-up magic!


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