C#后台无刷新页面弹出alert方法

无刷新弹出警告：        ScriptManager.RegisterStartupScript(this.Page, this.GetType(),"onekey", "alert('弹出')", true);   而以下方法，会刷新弹出，比较难看 Response.Write("<script>alert('弹出')</script>"); ClientScript.RegisterStartupScript(this.Page, this.GetType(),"onekey", "alert('弹出')", true);