private void BindUpdateHelp() { L_ShowHelpInfo helpinfo = help.GetBindHelp(helpID); if (helpinfo == null) { Page.ClientScript.RegisterStartupScript(this.GetType(), "", WebUnitily.AlertUrl("帮助主题不存在,请您重新选择!")); } txtHelpTitle.Text = helpinfo.HelpTitle; txtContent.Text = helpinfo.HelpCntent; }