TuShuChaXunForm.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.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace MF借书系统
{
    public partial class TuShuChaXunForm : Form
    {
        private bool boolean;
 
        public TuShuChaXunForm()
        {
            InitializeComponent();
        }

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

        private void TuShuChaXunForm_Load(object sender, EventArgs e)
        {
            ZhongJianChen.Class_TuShuChaXun tushu = new ZhongJianChen.Class_TuShuChaXun();
            dataGridView2.DataSource = tushu.getTable();
        }

        private void button2_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            ZhongJianChen.Class_TuShuChaXun chaxun = new ZhongJianChen.Class_TuShuChaXun();
            if (-1 == comboBox1.SelectedIndex)
            {
                MessageBox.Show("请选择需要查询的条件!");
                return;
            }
            if (TiaoJian_Text.Text == "" && TiaoJian_Text.Text == null)
            {
                MessageBox.Show("填写的查询文字不能为空!");
                return;
            }
            if (!boolean)
            {
                dataGridView1.DataSource = chaxun.qingkongTable();
                MessageBox.Show("查询的条件不合法,请重新输入!");
                return;
            }
            comboBox1.Focus();
            dataGridView1.DataSource = chaxun.getTiaoJian(TiaoJian_Text.Text, comboBox1.SelectedIndex);
            TiaoJian_Text.Text = "";
        }