You are developing an ASP.NET web page that includes a textbox control that has ID txtDate. You need to ensure that the user enters a valid date in the text box.
Which markup should you use?
A.
B. <asp:CompareValidator ID="valDate" runat="server"
Type="Date" ControlToCompare="txtDate"
Operator="DataTypeCheck"/>
C. <asp:CompareValidator ID="valDate" runat="server"
Type="Date" ControlToValidate="txtDate"
Operator="DataTypeCheck"/>
D. <asp:CompareValidator ID="valDate" runat="server"
Type="Date" ControlToValidate="txtDate"
Operator="Equal"/>
