CascadingDropDown Sample - Ajax Control Toolkit Step 1 : aspx page <table> <tr> <td style="width: 80px">Country: </td> <td> <asp:DropDownList ID="ddlCountries" runat="server" Width="150"> </asp:DropDownList> <cc1:CascadingDropDown ID="cdlCountries" TargetControlID="ddlCountries" PromptText="Select Country" PromptValue="" ServicePath="myservices.asmx" ServiceMethod="GetCountries" runat="server" Category="CountryId" LoadingText="Loading..." /> </td> </tr> <tr> <td>State: </td> <td>
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