方法一:
//日期格式yyyy-mm-dd
<asp:rangevalidator id="vldRngDate" runat="server" CssClass="main" ErrorMessage="日期必须在1900~2500之间" ControlToValidate="txtDate" Display="None" MinimumValue="1900-01-01" MaximumValue="2500-12-31" Type="Date"></asp:rangevalidator> <asp:rangeval
