How to show alert message in asp.net (c#) on button click(not placed under update panel).

 You can use following function to show alert message in asp.net using c#. Ex. Show data saved or updated successfully.

**when you are not using ajax update panel.  

   public void showmessage(System.Web.UI.Page zpage, string zMessage)

        {

            string alertScript = "<script language=JavaScript>";

            alertScript += "alert('" + zMessage + "');";

            alertScript += "</script" + ">";

 

            if (!zpage.IsClientScriptBlockRegistered("alert"))

                zpage.RegisterClientScriptBlock("alert", alertScript);

        }

You can use above function to show messages as per your requirement.

How to call this function on button click:

 Ex.

private void SaveRecord()

{

 //Code to save data

  showmessage (this.Page, "Data saved successfully!")

}

 In alert function we are using

zpage.RegisterClientScriptBlock(string key, string script).

 

Here zpage is object of type class System.Web.UI.Page.