Show Alert message on button click after saving the data asp.net

Question

I want to show a message "Successfully added" after saving the record to the database on button click which already having a JS function for some validation on the data. i have tried the following code but nothing is showing.

ScriptManager.RegisterStartupScript(this, typeof(Page), "Alert",
"<script>alert('" + "Successfully added" + "');</script>", false);

How to show the success message in a popup with at the end save process?

Answer 1

Use Response.Write("<script>alert('Successfully added');</script>"); on button code behind.

Answer 2

尝试这个，

System.Web.HttpContext.Current.Response.Write("<script language=\"JavaScript\">alert(\"write here what you want\")</script>");