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  • .net js 获取是否提交表单

    <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Login.aspx.cs" Inherits="User_Login" %>
    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml" >
    <head runat="server">
        <title>用户登陆</title>
        <link href="/images/style.css" rel="stylesheet" type="text/css" />
        <script language="javascript">
    function CheckForm()
    {
    if(document.form1.txtUserLoginName.value.length<5)
    {
    alert("用户名不可少于5个字符");
    return false;
    }
    if(document.form1.txtPassword.value.length<6)
    {
    alert("密码不可少于6个字符");
    return false;
    }
    }
    </script>

    </head>
    <body >
        <form  runat="server" id="form1" >
        <div>
        <table class="maintable" cellspacing="1" align="center" style=" 400px">
          <tr>
        <td class="title" colspan="3">■用户登陆</td>
     </tr>
        <tr><td class="left" style="100px">用户名:</td><td style="100px"> <input  name="txtUserLoginName" type="text" /></td></tr>
        <tr><td class="left">密码:</td><td ><input type="password" name="txtPassword"  /></td></tr>
        <tr><td class="left" style="height: 24px"> </td><td style="height: 24px"> <asp:Button ID="btnSubmit" runat="server" CssClass="button" OnClientClick=" return CheckForm()" OnClick="btnSubmit_Click" Text="登    陆" /></td></tr>
        </table>
           </div>       
        </form>
    </body>
    </html>

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  • 原文地址:https://www.cnblogs.com/ganmk/p/1258232.html
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