csharp: ClientScript.RegisterStartupScript int net4.0

 //彈出提示
                    ClientScriptManager cs = Page.ClientScript;
                    StringBuilder sb = new StringBuilder();
                    sb.Append("<script type="text/javascript" language="javascript">");
                    sb.Append("alert('信息已经成功修改!');window.location.href='Manages.aspx';");//
                    sb.Append("</script>"); 
                    //1.可以用
                    //Response.Write(sb.ToString());
                    //2.可以用
                    //ClientScript.RegisterStartupScript(this.GetType(), "ButtonClickScript", sb.ToString());
                    //3.可以用
                    //cs.RegisterStartupScript(Page.GetType(), "ButtonClickScript", sb.ToString());
                    //4.可以用
                    this.Page.ClientScript.RegisterStartupScript(Page.GetType(), "", sb.ToString()); //true