PostBack causes ASP.Net AJAX Modal Popup to close

Question

HelloI am using model popup to allo user to input there information  In this model popup  I am having two option  Like OPtion1 and Option2  When User will select Option1 a panel should open on modelpop up to take Option1 Detail Simillarly When Option2 is pressed another panel should open where User Can fill data User Ca Fill only single option either OPtion1 or 2  How I can do this without postback and without model disappear I dont want to use radio or checkbox button  I want so

AjayKumar · Accepted Answer

Hi Kumal Below is the running example without any post back  lt Register Assembly34AjaxControlToolkit34 Namespace34AjaxControlToolkit34 TagPrefix34ajax34 gtltDOCTYPE htmlgtlthtml xmlns34httpwwww3org1999xhtml34gtlthead runat34server34gt    lttitlegtlttitlegt    ltscriptgt        function ShowPanel1             debugger            documentgetElementById34boxDoc34styledisplay  34block34                function ShowPanel2             documentgetElementById39boxDoc239styledisplay  34block34            ltscriptgtltheadgtltbodygt    ltform id34form134 runat34server34gt        ltdivgt            ltaspScriptManager ID34script134 runat34server34gtltaspScriptManagergt            ltaspButton ID34btnshow34 runat34server34 Text34Show34gt            ltajaxModalPopupExtender ID34Mod

Mudassar · Answer

Check this sample I have a Modal Popup with a DropDown with AutoPostbacklthtml xmlns34httpwwww3org1999xhtml34gtlthead runat34server34gt    lttitlegtlttitlegt    ltstyle type34textcss34gt        modalBackground                    backgroundcolor Black            filter alphaopacity90            opacity 08                modalPopup                    backgroundcolor FFFFFF            borderwidth 3px            borderstyle solid            bordercolor black            paddingtop 10px            paddingleft 10px            width 300px            height 140px            ltstylegtltheadgtltbody style  34height3000px34gtltform id34form134 runat34server34gtltcc1ToolkitScriptManager runat  34server34gtltcc1ToolkitScriptManagergtltaspButton ID34btnShow34 runat34server34 Text34Show Modal Popup34 gtlt ModalPopupExtender

PostBack causes ASP.Net AJAX Modal Popup to close

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