I am using panel to hide and display certain controls on a page, On one of my panel i have three drop down, all i want is to make sure that user has selected something from the dropdowns otherwise they cant proceed, i am using the requiredfield validator but its just not working, Any suggection what i am doing wrong here..?
<tr>
<td>
<asp:Literal ID="LtrCompanyType" runat="server" Text="Select your company type: " />
</td>
<td>
<asp:DropDownList ID="DDCompanyType" DataValueField="Id" DataTextField="Name" runat="server"
AutoPostBack="true" ValidationGroup="FieldsCompanyInfo" />
...
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