计算输入控件的值，以确定该值是否与某个正则表达式所定义的模式相匹配。
|
|---|
<asp:RegularExpressionValidator
????AccessKey="string"
????AssociatedControlID="string"
????BackColor="color name|#dddddd"
????BorderColor="color name|#dddddd"
????BorderStyle="NotSet|None|Dotted|Dashed|Solid|Double|Groove|Ridge|
Inset|Outset"
????BorderWidth="size"
????ControlToValidate="string"
????CssClass="string"
????Display="None|Static|Dynamic"
????EnableClientScript="True|False"
????Enabled="True|False"
????EnableTheming="True|False"
????EnableViewState="True|False"
????ErrorMessage="string"
????Font-Bold="True|False"
????Font-Italic="True|False"
????Font-Names="string"
????Font-Overline="True|False"
????Font-Size="string|Smaller|Larger|XX-Small|X-Small|Small|Medium|
Large|X-Large|XX-Large"
????????Font-Strikeout="True|False"
????Font-Underline="True|False"
????ForeColor="color name|#dddddd"
????Height="size"
????ID="string"
????OnDataBinding="DataBinding event handler"
????OnDisposed="Disposed event handler"
????OnInit="Init event handler"
????OnLoad="Load event handler"
????OnPreRender="PreRender event handler"
????OnUnload="Unload event handler"
????runat="server"
????SetFocusOnError="True|False"
????SkinID="string"
????Style="string"
????TabIndex="integer"
????Text="string"
????ToolTip="string"
????ValidationExpression="string"
????ValidationGroup="string"
????Visible="True|False"
????Width="size"
/> |
备注
示例
下面的代码示例演示如何使用 RegularExpressionValidator 控件来验证输入到文本框中的值是否为特定模式。在此例中，该模式为 5 位数字的邮政编码。验证结果随后显示在页上。
| Visual Basic? |  复制代码 |
|---|
<%@ Page Language="VB" AutoEventWireup="True" %>
<html>
<head>
<script runat="server">
Sub ValidateBtn_Click(sender As Object, e As EventArgs)
If Page.IsValid Then
lblOutput.Text = "Page is Valid!"
Else
lblOutput.Text = "Page is InValid!"
End If
End Sub
</script>
</head>
<body>
<h3>RegularExpressionValidator Sample</h3>
<p>
<form id="Form1" runat="server">
<table bgcolor="#eeeeee" cellpadding="10">
<tr valign="top">
<td colspan="3">
<asp:Label id="lblOutput"
Text="Enter a 5 digit zip code"
Font-Names="Verdana"
Font-Size="10pt"
runat="server"/>
</td>
</tr>
<tr>
<td colspan="3">
<font <b>Personal Information</b>
</td>
</tr>
<tr>
<td align="right">
Zip Code:
</td>
<td>
<asp:TextBox id="TextBox1"
runat="server"/>
</td>
<td>
<asp:RegularExpressionValidator id="RegularExpressionValidator1"
ControlToValidate="TextBox1"
ValidationExpression="\d{5}"
Display="Static"
EnableClientScript="false"
ErrorMessage="Zip code must be 5 numeric digits"
runat="server"/>
</td>
</tr>
<tr>
<td></td>
<td>
<asp:Button ID="Button1" text="Validate"
OnClick="ValidateBtn_Click"
runat="server"/>
</td>
<td></td>
</tr>
</table>
</form>
</body>
</html>
|
| C#? | 复制代码 |
|---|
<%@ Page Language="C#" AutoEventWireup="True" %>
<html>
<head>
<script runat="server">
void ValidateBtn_Click(Object sender, EventArgs e)
{
if (Page.IsValid)
{
lblOutput.Text = "Page is Valid!";
}
else
{
lblOutput.Text = "Page is InValid!";
}
}
</script>
</head>
<body>
<h3>RegularExpressionValidator Sample</h3>
<p>
<form id="Form1" runat="server">
<table bgcolor="#eeeeee" cellpadding="10">
<tr valign="top">
<td colspan="3">
<asp:Label id="lblOutput"
Text="Enter a 5 digit zip code"
Font-Names="Verdana"
Font-Size="10pt"
runat="server"/>
</td>
</tr>
<tr>
<td colspan="3">
<font <b>Personal Information</b>
</td>
</tr>
<tr>
<td align="right">
Zip Code:
</td>
<td>
<asp:TextBox id="TextBox1"
runat="server"/>
</td>
<td>
<asp:RegularExpressionValidator id="RegularExpressionValidator1"
ControlToValidate="TextBox1"
ValidationExpression="\d{5}"
Display="Static"
EnableClientScript="false"
ErrorMessage="Zip code must be 5 numeric digits"
runat="server"/>
</td>
</tr>
<tr>
<td></td>
<td>
<asp:Button ID="Button1" text="Validate"
OnClick="ValidateBtn_Click"
runat="server"/>
</td>
<td></td>
</tr>
</table>
</form>
</body>
</html>
|
请参见
参考
RegularExpressionValidator其他资源
验证服务器控件语法.NET Framework 正则表达式
注意