📄 frmmanage.cs
字号:
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 ClassManage
{
public partial class frmManage : Form
{
OleDbConnection con;
OleDbDataAdapter da;
DataSet ds;
public frmManage()
{
InitializeComponent();
}
public void FillData()
{
con = new OleDbConnection("provider=microsoft.jet.oledb.4.0;data source=db.mdb");
da = new OleDbDataAdapter("select * from 同学录表",con);
ds = new DataSet();
da.Fill(ds, "Student");
gvStudent.DataSource = ds;
gvStudent.DataMember = "Student";
}
private void frmManage_Load(object sender, EventArgs e)
{
FillData();
}
private void btnSave_Click(object sender, EventArgs e)
{
try
{
OleDbCommandBuilder cb = new OleDbCommandBuilder(da);
da.Update(ds, "Student");
MessageBox.Show("更新成功!");
}
catch (Exception ex)
{
MessageBox.Show("出现错误:" + ex.Message);
}
}
}
}
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -