3.5使用RangeValidator控件
使用RangeValidator控件
检测表单字段的值是否在指定的最小值和最大值之间
五个属性：
ControlToValidate---被验证的表单字段的ID
Text －－验证失败时显示的错误信息
MininumValue
MaxinumValue
Type－比较类型：String,Integer,Double,Date和Currency 默认为String
<%@ Page Language="C#" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><script runat="server"></script><html xmlns="http://www.w3.org/1999/xhtml"><head runat="server"> <title>Show RangeValidator</title></head><body> <form id="form1" runat="server"> <div> <asp:Label ID="lblAge" Text="Age:" AssociatedControlID="txtAge" runat="server" /> <asp:TextBox ID="txtAge" runat="server" /> <asp:RangeValidator ID="reqAge" ControlToValidate="txtAge" Text="(Invalid Age)" MinimumValue="5" MaximumValue="100" Type="Integer" runat="server" /> <br /> <br /> <asp:Button ID="btnSubmit" Text="Submit" runat="server" /> </div> </form></body></html>