scholastic/Form5_1.cs

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace scholastic
{
    public partial class Form5_1 : Form
    {
        string sdept, smajor, snum, stea;
        public Form5_1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            if (textBox1.Text == "" || textBox2.Text == "" || textBox3.Text == ""|| textBox4.Text == "")
            {
                MessageBox.Show("输入的信息不完整，请重新输入！", "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
            else
            {
                string constr = "server=.\\sql2005;database=mydata;uid=sa;pwd=sa";
                SqlConnection mycon = new SqlConnection(constr);
                mycon.Open();
                string myinsert = "insert into major(所在系,专业,人数,辅导员) values('" + textBox1.Text + "','" + textBox2.Text + "'," + Convert.ToInt32(textBox3.Text) + ",'" + textBox4.Text + "')";    //insert插入语句
                SqlCommand mycom = new SqlCommand(myinsert, mycon);   //定义SqlCommand对象，并连接数据库
                mycom.ExecuteNonQuery();
                mycon.Close();
                mycon.Dispose();
                MessageBox.Show("已成功向数据库表中插入一条记录！", "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
                sdept = textBox1.Text;
                smajor = textBox2.Text;
                snum = textBox3.Text;
                stea = textBox4.Text;
                textBox1.Text = "";
                textBox2.Text = "";
                textBox3.Text = "";
                textBox4.Text = "";
            }
        }

        private void button2_Click(object sender, EventArgs e)
        {
            Form5_1_1 myf = new Form5_1_1();
            myf.toolStripStatusLabel1.Text = "成功插入一条记录-->  所在系: " + sdept + ",专业：" + smajor + ",人数：" + snum + ",辅导员:" + stea ;
            myf.ShowDialog();
        }

        private void button3_Click(object sender, EventArgs e)
        {
            this.Close();
        }