📄 frmwjcx.cs
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Data.OleDb;
namespace 学生宿舍管理系统
{
public partial class FrmWJCX : Form
{
public FrmWJCX()
{
InitializeComponent();
}
private void radioButton1_CheckedChanged(object sender, EventArgs e)
{
dataGridView1 .DataSource =null ;
label1.Text = "请输入学号:";
label1.Show();
label2.Hide();
textBox1.Text = "";
textBox2.Hide();
textBox1.Show();
}
private void radioButton2_CheckedChanged(object sender, EventArgs e)
{
dataGridView1 .DataSource =null ;
label1.Text = "请输入姓名:";
label1.Show();
label2.Hide();
textBox1.Text = "";
textBox2.Hide();
textBox1.Show();
}
private void radioButton3_CheckedChanged(object sender, EventArgs e)
{
dataGridView1 .DataSource =null ;
label1.Text = "请输入栋号:";
label1.Show();
label2.Show();
textBox1.Text = "";
textBox2.Text = "";
textBox2.Show();
textBox1.Show();
}
private void textBox1_MouseEnter(object sender, EventArgs e)
{if (radioButton2 .Checked )
label6.Show();
}
private void textBox1_MouseLeave(object sender, EventArgs e)
{
label6.Hide();
}
private void button1_Click(object sender, EventArgs e)
{
string s1 = "select 学号,学号,姓名,栋号,房间号码,院系,班级,违纪时间,违纪行为,处理结果,宿管员 from 违章登记表 where 学号='" + textBox1.Text + "'";
string s2 = "select 学号,学号,姓名,栋号,房间号码,院系,班级,违纪时间,违纪行为,处理结果,宿管员 from 违章登记表 where 姓名 Like'" + textBox1.Text + "%'";
string s3 = "select 学号,学号,姓名,栋号,房间号码,院系,班级,违纪时间,违纪行为,处理结果,宿管员 from 违章登记表 where 栋号='" + textBox1.Text + "'and 房间号码='" + textBox2.Text + "'";
MyData mydata = new MyData();
if (radioButton1.Checked)
{
DataSet ds = mydata.getDataSet(s1, "违章登记表");
if (ds.Tables["违章登记表"].Rows.Count != 0)
{
dataGridView1.DataSource = ds.Tables["违章登记表"];
}
else
{
MessageBox.Show("不存在此信息!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
textBox1.Text = "";
}
}
else if (radioButton2.Checked)
{
DataSet ds = mydata.getDataSet(s2, "违章登记表");
if (ds.Tables["违章登记表"].Rows.Count != 0)
{
dataGridView1.DataSource = ds.Tables["违章登记表"];
}
else
{
MessageBox.Show("不存在此信息!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
textBox1.Text = "";
}
}
else if (radioButton3.Checked)
{
DataSet ds = mydata.getDataSet(s3, "违章登记表");
if (ds.Tables["违章登记表"].Rows.Count != 0)
{
dataGridView1.DataSource = ds.Tables["违章登记表"];
}
else
{
MessageBox.Show("不存在此信息!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
textBox1.Text = "";
textBox2.Text = "";
}
}
}
private void button2_Click(object sender, EventArgs e)
{
this.Close();
}
}
}
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