Asp RequiredFieldValidator，CompareValidator简单使用

<asp:Label ID="Label1" runat="server" Text="姓名："></asp:Label>

<asp:TextBox ID="TextBox1" runat="server" Height="20px" Width="145px"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server"
ErrorMessage="RequiredFieldValidator" ForeColor="Red" Text="用户名不能为空" ControlToValidate="TextBox1"></asp:RequiredFieldValidator>
<br /><br />
<asp:Label ID="Label2" runat="server" Text="密码："></asp:Label>
<asp:TextBox ID="TextBox2" runat="server"></asp:TextBox>
<br /><br />
<asp:Label ID="Label3" runat="server" Text="确认密码："></asp:Label>
<asp:TextBox ID="TextBox3" runat="server"></asp:TextBox>
<asp:CompareValidator ID="CompareValidator1" runat="server"
ErrorMessage="CompareValidator" ForeColor="Red" Text="两次密码不一致" ControlToCompare="TextBox2" ControlToValidate="TextBox3"></asp:CompareValidator>
<br /><br />