学生成绩录入(ASP.NET)

T何必当初

于 2021-11-27 22:09:54 发布

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CC 4.0 BY-SA版权

分类专栏： ASP.NET 文章标签：开发语言后端 asp.net

本文链接：https://blog.youkuaiyun.com/weixin_54702911/article/details/121584441

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此博客展示了如何在ASP.NET中创建一个简单的学生成绩录入表单，使用了RequiredFieldValidator和RangeValidator进行必填项和数值范围验证，同时利用ValidationSummary组件展示错误信息。点击提交按钮后，页面会显示学生的姓名和英语成绩。

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效果显示

HTML页面显示

HTML代码

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>

<!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></title>
    <style type="text/css">
        .style1
        {
            width: 100%;
        }
        .style2
        {
            width: 109px;
        }
    </style>
    </head>
<body>
    <form id="form1" runat="server">
    <div>
    
        <table class="style1">
            <tr>
                <td class="style2">
                    &nbsp;</td>
                <td>
                    学生成绩录入</td>
            </tr>
            <tr>
                <td class="style2">
                    学生姓名:</td>
                <td>
                    <asp:TextBox ID="txtName" runat="server"></asp:TextBox>
                    <asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" 
                        ControlToValidate="txtName" ErrorMessage="姓名不能为空" ForeColor="Red"></asp:RequiredFieldValidator>
                </td>
            </tr>
            <tr>
                <td class="style2">
                    英语成绩:</td>
                <td>
                    <asp:TextBox ID="txtScore" runat="server" style="margin-left: 0px"></asp:TextBox>
                    <asp:RequiredFieldValidator ID="RequiredFieldValidator2" runat="server" 
                        ControlToValidate="txtScore" ErrorMessage="英语成绩不能为空" ForeColor="Red"></asp:RequiredFieldValidator>
&nbsp;
                    <asp:RangeValidator ID="RangeValidator1" runat="server" 
                        ControlToValidate="txtScore" ErrorMessage="成绩应在0-100之间" ForeColor="Red" 
                        MaximumValue="100" MinimumValue="0"></asp:RangeValidator>
                </td>
            </tr>
            <tr>
                <td class="style2">
                    &nbsp;</td>
                <td>
                    <asp:ValidationSummary ID="ValidationSummary1" runat="server" ForeColor="Red" 
                        ShowMessageBox="True" ShowSummary="False" />
                </td>
            </tr>
            <tr>
                <td class="style2">
                    &nbsp;</td>
                <td>
                    <asp:Button ID="Button1" runat="server" onclick="Button1_Click1" Text="提交" 
                        Width="71px" />
                </td>
            </tr>
            <tr>
                <td class="style2">
                    <asp:Label ID="Label1" runat="server"></asp:Label>
                </td>
                <td>
                    &nbsp;</td>
            </tr>
        </table>
    
    </div>
    </form>
</body>
</html>

事件代码

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }
    protected void Button1_Click1(object sender, EventArgs e)
    {
        Label1.Text = "学生姓名:" + txtName.Text + "<br>英语成绩:" + txtScore.Text;
    }
}