在当前页面弹出对话框

/// <summary>
    /// 在当前页面弹出提示框
    /// </summary>
    /// <param name="page"></param>
    /// <param name="o"></param>
    /// <param name="strText"></param>
    public static void ShowMessageBox(Page page,string strText)
    {
        strText = strText.Replace("'", "").Replace(";", "").Replace("<", "").Replace(">", "").Trim();
        page.ClientScript.RegisterStartupScript(page.GetType(), "", "<script>alert('" + strText + "');</script>");
    }