How to call window.alert(“message”); from C#?

Question

I have my own exception based on some condition and want to raise an alert when control comes in this catch block

catch (ApplicationException ex)
{
    //want t         


        

Answer 1

You can also do this :

 catch (Exception ex)
    {

        ScriptManager.RegisterStartupScript(Page, Page.GetType(), "showError",
           "alert('" + ex.Message + "');", true);

    }

this will show the exeption message in the alert box