按照msdn中的说明,使用ValidationSummary 控件中的ShowMessageBox功能,希望将校验的错误信息弹出对话框,但是弹不出来,只能文本显示,希望解答
<asp:ValidationSummary 
            ID="ValidationSummary1" 
            runat="server" 
            DisplayMode="BulletList"
            EnableClientScript="true"
            ShowMessageBox="True"
            ShowSummary="true"
            HeaderText="error message">
</asp:ValidationSummary>