In Asp.Net, When Want to Create a Modal Dialog Box We can Use the JavaScript Like
VreturnValue = WINDOW.SHOWMODALDIALOG (SURL [, Varguments] [, SFEATURES]) Detail In MSDN.
But there is a problem, if we have to post to server in modal dialog box, you can findanother window will be opened and an error box will be shown.To resolve it we can use FRAMESET, that's to say we create a aspx file include Framesetin Which Link to the page weow................