如何验证Ajax级联下拉列表 [英] How to validate ajax cascading dropdown lists

问题描述

我需要验证ajax级联下拉列表.请参阅下面的代码.这是行不通的.任何人都可以帮忙.我使用VS2008.谢谢

 

>< asp : DropDownList ID ="ddlTest" 符文 =服务器" 宽度 = </ asp : DropDownList >

<asp:DropDownList ID="ddlTest" runat="server" Width="131px"></asp:DropDownList>

 

>< asp : RequiredFieldValidator ID ="rfvddlTest" 运行 =服务器"

<asp:RequiredFieldValidator ID="rfvddlTest" runat="server"

ControlToValidate ="ddlTest" ErrorMessage =此字段为必填项" "> InitialValue =&";-1" ValidationGroup ="Submit"> * </ asp : RequiredFieldValidator >

ControlToValidate="ddlTest" ErrorMessage="This field is Required" InitialValue="-1" ValidationGroup="Submit">*</asp:RequiredFieldValidator>

 

>< cc1 : CascadingDropDown ID ="cddlTest" 运行 =服务器" 类别 =测试"

<cc1:CascadingDropDown ID="cddlTest" runat="server" Category="Test"

              LoadingText =加载中". PromptText ="-选择-"   ServiceMethod =" GetTestData"

                    LoadingText="Loading.." PromptText="-- Select --"   ServiceMethod="GetTestData"

              ServicePath ="〜/ddlTestData.asmx" TargetControlID ="ddlTest" >

                    ServicePath="~/ddlTestData.asmx" TargetControlID="ddlTest" >

              </ cc1 : CascadingDropDown >

                </cc1:CascadingDropDown>

 

推荐答案

你好，

与Web开发相关的问题在该论坛中已经解决.该问题的正确位置应该是ASP.NET Ajax论坛，

The Web Dev related issues are offtopic in this forum. The right place for the issue should be ASP.NET Ajax forum,

http://forums.asp.net/1007.aspx

 

最诚挚的问候，

纪周

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