RequiredFieldValidator 验证控件
页面布局:
<div> <h1>RequiredFieldValidator 验证控件</h1> 用户名: <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox> <asp:RequiredFieldValidator ID="RequiredFieldValidator1" ControlToValidate="TextBox1" runat="server" Display="Dynamic" ErrorMessage="用户名不能为空!"></asp:RequiredFieldValidator> <br/> <asp:Button ID="Button1" runat="server" Text="登录"></asp:Button> <hr/> <hr/> <span style="font-size:12px;"></div></span>
CompareValidator 验证控件
页面布局:
<div> <h1>CompareValidator 验证控件</h1> 价格: <asp:TextBox ID="TextBox2" runat="server"></asp:TextBox> <asp:CompareValidator ID="CompareValidator" runat="server" ControlToValidate="TextBox2" ErrorMessage="输入大于0的数值" Operator="GreaterThan" Type="Double" ValueToCompare="0"> </asp:CompareValidator> <asp:Button ID="Button2" runat="server" Text="提交"/> <hr/> <hr/> </div>
RangeValidator 控件
页面布局:
<div> <h1>RangeValidator 控件</h1> 价格: <asp:TextBox ID="TextBox3" runat="server"></asp:TextBox> <asp:RangeValidator ID="RangeValidator" runat="server" ControlToValidate="TextBox3" ErrorMessage="请输入300~900之间的数" MaximumValue="900" MinimumValue="300" Type="Double" > </asp:RangeValidator> </div>
RegularExpressionValidator控件
页面布局:
<div> <h1>RegularExpressionValidator 控件</h1> 电话号码: <asp:TextBox ID="TextBox4" runat="server"/> <asp:RegularExpressionValidator ID="RegularExpressionValidator1" runat="server" ControlToValidate="TextBox4" Display="Dynamic" ErrorMessage="输入合格电话号码如423-875416952" ValidationExpression="(\(\d{3}\)|\d{3}-)?\d{8}"/> <asp:Button ID="Button3" runat="server" Text="提交"/> </div>
CustomValidator控件
页面布局:
<div> <h1>CustomValidator控件</h1> <table> <tr> <td style="width:100px" align="right">用户名</td> <td style="width:100px"> <asp:TextBox ID="TextBox5" runat="server"/> </td> </tr> <tr> <td style="width:100px" align="right">密码</td> <td style="width :100px"> <asp:TextBox ID="TextBox6" runat="server"/> </td> </tr> <tr> <td style="width:100px"> </td> <td style="width:100px"> <asp:Button ID="Button4" runat="server" Text="提交"/> </td> </tr> <tr> <td style="width:100px"/> <td style="width:150px"> <asp:CustomValidator ID="CustomValidator1" runat="server" ErrorMessage="用户名或密码错误" ValidateEmptyText="true" ControlToValidate="TextBox6" OnServerValidate="CustomValidator1_ServerValidate" DisPlay="Dynamic"> </asp:CustomValidator> </td> </tr> </table> </div>
后台代码:
//自定义验证函数 private bool IsPassed(string userName, string password) { if (userName == "zhouzhou" && password == "123456") return true; else return false; } protected void CustomValidator1_ServerValidate(object source, ServerValidateEventArgs args) { if (IsPassed(this.TextBox5.Text.ToString(), this.TextBox6.Text.ToString()))//调用自定义函数 args.IsValid = true;//通过验证 else args.IsValid = false;//未通过验证 }
原文链接:
http://blog.csdn.net/spilledlight/article/details/48730647
时间: 2024-10-28 11:06:16