ASP Source Code

Create Look up Page Data Bound //Opener Page (Look Up page) Step 1 : Add following script in Lookup.aspx page // Lookup.aspx < script language ="javascript" type ="text/javascript">        function GetRowValue(val)     {        if (val != '&nbsp;' )     {        val1 = 0;     window.opener.document.getElementById( 'ctl00_ContentPlaceHolder1_hdfID' ).value = val;     window.opener.document.getElementById( 'ctl00_ContentPlaceHolder1_hdfFlagID' ).value = val1;     }     window.opener.document.forms[0].submit();     self.close();        }        </ script > // in code behinds lookup.aspx.cs Step2 : InGridView- Go to edit item template in grid and select the button field and convert as item template...