How to display message box if any error occur in the page using c sharp?

Question

How to display message box if any error occur in the page using c sharp?

If any error occur in the page during submitting the form,

i need to display message box.....

I tried this code in Exception

Response.Write("<script>alert('" + ex + "')</script>");

but it dindt work .....

How i solve this problem?

Gohil Jayendrasinh · Answer

Hi public class Alert { /// /// Shows a client-side JavaScript alert in the browser. /// /// The message to appear in the alert. public static void Show(string message) { // Cleans the message to allow single quotation marks string cleanMessage = message.Replace( '  \' ); string script =  type=	ext/javascript\>alert(' + cleanMessage + ');  ; // Gets the executing web page Page page = HttpContext .Current.CurrentHandler as Page ; // Checks if the handler is a Page and that the script isn't allready on the Page if (page != null && !page.ClientScript.IsClientScriptBlockRegistered( alert )) { page.ClientScript.RegisterClientScriptBlock(typeof( Alert ) alert  script); } } }