Web Forms :: Validation For Dd Mm Yyyy Dropdown List?

Sep 15, 2010

i have a form which asks for date of birth. find below the code.
<asp:DropDownList ID="ddlDay" runat="server">
</asp:DropDownList>
<asp:DropDownList ID="ddlMonth" runat="server">
[Code]....
The dropdownlist is populated in code behind. The client and server validation code is,
function valDate_ClientValidate(source, args) {
var dd_id = document.getElementById("<%=ddlDay.ClientID %>");
var mm_id = document.getElementById("<%=ddlMonth.ClientID %>");
[Code]....

When i open this page and select the dropdown DD, an asterisk appears showing the error message. But i dont need this one,as the error should appear only when the form is submitted.

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