Problem to open crystal report in modalpopupextender

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VB

ASP.NET

Sir, i am using ModalPopupExtender. i have a Print Button on Modal Popup. its work fine if i am using it in normal aspx from. but when i am using it on Modal Popup its not working for me. I am using Update Panel ouside the Print Button. If i remove Update panel than Report open. I want to open it with Update panel. because i have a gridview also in modal popup. and when i am using Gridview selectindexchange then modalpopup window close. i am using update panel because of it.


crystalReport.ExportToHttpResponse(ExportFormatType.PortableDocFormat, Response, False, "ExportedReport")



My problem is same like this question:

Modal Popup window for crystal report .............[^]

What I have tried:

i am trying to convert it direct in PDF. but its not working.