Client side Java script example

                String csName = "ChangeDivDir";
                Type csType = this.GetType();

                ClientScriptManager cs = Page.ClientScript;

                if (!cs.IsClientScriptBlockRegistered(csType, csName))
                {

                   
                   System.Text.StringBuilder csText = new System.Text.StringBuilder();
                   csText.Append("<script type=\"text/javascript\">");
                    csText.Append(@"window.alert("Hello")";
                    csText.Append("</script>");
                    cs.RegisterClientScriptBlock(csType, csName, csText.ToString());
                }