<asp:TextBox ID="SFZCode" validator="true" placeholder="请输入身份证号" onkeyup="this.value=this.value.replace(/[^\d.]/g,'')" onafterpaste="this.value=this.value.replace(/[^\d.]/g,'')" ClientIDMode="Static" class="form-control no-border" runat="server"></asp:TextBox>