asp.net 2.0下的常用验证控件

asp.net 2.0中的几个常用验证控件，很好用，下面帖一些示例代码

<form >

<div>

<font color="blue">验证控件RequireFieldValidator:</font>

<br>

<asp:Label Text='我的名字:' runat=server/>

<asp:TextBox runat="server" Width = 100px ></asp:TextBox>

<asp:Button Text='验证' runat='server'/>

<asp:RequiredFieldValidator

ControlToValidate='tb'

runat="server"

ErrorMessage="请输入姓名"

SetFocusOnError="true">

</asp:RequiredFieldValidator>

</div>

<br />

<div>

<font color="blue">验证控件CompareValidator:</font>

<br>

密 码:&nbsp;&nbsp;&nbsp;<asp:TextBox runat="server" Width=100px TextMode=Password></asp:TextBox>

<asp:RequiredFieldValidator

ControlToValidate='psw'

runat="server"

ErrorMessage="请输入密码"

SetFocusOnError="true">

</asp:RequiredFieldValidator>

<br>

再次输入:<asp:TextBox runat=server Width=100px TextMode=Password></asp:TextBox>

<asp:CompareValidator runat=server

ControlToValidate='psw'

ControlToCompare='repsw'

ErrorMessage='前后输入不一致'

SetFocusOnError="true">

</asp:CompareValidator>

<br/>

<asp:Button runat=server Text='提交' />

</div>

<br />

<div>

<font color="blue">验证控件RangeValidator :</font>

<br />

数值:<asp:TextBox runat=server></asp:TextBox>

<asp:RangeValidator

runat=server

ControlToValidate='tb1'

Type=Integer

MinimumValue=0

MaximumValue=255

SetFocusOnError=true

ErrorMessage='请输入0-255数值'>

</asp:RangeValidator>

<br />

<asp:Button runat=server Text='提交' />

</div>

<br />

<div>

<font color="blue">验证控件RegularExpressionValidator :</font>

<br />

数值:<asp:TextBox runat=server></asp:TextBox>

<asp:RegularExpressionValidator runat=server

ControlToValidate='tb2'

ValidationExpression='[a-zA-Z]'

SetFocusOnError=true

ErrorMessage='请输入英文'>

</asp:RegularExpressionValidator >

<br />

<asp:Button runat=server Text='提交' />

</div>

<br />

<div>

<font color="blue">验证控件ValidationSummary :</font>

<br />

您的ID:<asp:TextBox runat=server></asp:TextBox>

<asp:RequiredFieldValidator runat=server

ControlToValidate='tb3'

SetFocusOnError=true

ErrorMessage='请输入您的ID'>

</asp:RequiredFieldValidator>

<br />

<asp:Button runat=server Text='提交' />

<br>

<div>

<asp:ValidationSummary runat="server"

HeaderText="输入错误" DisplayMode="BulletList" />

</div>

</div>

<br />

<div>

<font color="blue">验证控件CustomValidator :</font>

<br />

<asp:DropDownList runat="server">

<asp:ListItem Text="请选择" Value="0"></asp:ListItem>

<asp:ListItem Text="Item1" Value="a"></asp:ListItem>

<asp:ListItem Text="Item2" Value="b"></asp:ListItem>

</asp:DropDownList>

<asp:CustomValidator runat=server

ControlToValidate='list'

ErrorMessage='请选择列表'

SetFocusOnError=true

Display="dynamic"

OnServerValidate="CustomValidator1_ServerValidate">

</asp:CustomValidator>

<br />

<asp:Button runat=server Text='提交' />

<br />

</div>

</form>