Asp.net confirmation dialog box (add properties to the control)

First, check whether your running environment is vs 2003 or vs2005.
05: onclientclick
03 No

In a btndel. Attributes. Add ("onclick", "Return confirm ('Are you sure you want to delete it? ') "); Location

03 writing

HTML code

   <asp:ImageButton ID="ibtn"  runat="server" OnClick="ibtn_Click" />

C # code

   Protected void page_load (Object sender, eventargs e) {ibtn. attributes. add ("onclick", "alert ('click'); Return false;"); // ibtn. attributes. add ("onclick", "Return confirm ('Are you sure you want to delete? ');");}

05 Writing Method (03 Writing Method 05 is also applicable)

HTML code

   <Asp: imagebutton id = "ibtn" onclientclick = "Return confirm ('Are you sure you want to delete it? '); "Runat =" server "onclick =" ibtn_click "/>