form1.cs

Visual C#2005程序设计教程

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

namespace LT12_1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void stuInfoBindingNavigatorSaveItem_Click(object sender, EventArgs e)
        {
            this.Validate();
            this.stuInfoBindingSource.EndEdit();
            this.stuInfoTableAdapter.Update(this.studentDataSet.StuInfo);
            MessageBox.Show("更新成功！","系统提示",
                MessageBoxButtons.OK ,MessageBoxIcon.Information);
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            // TODO: 这行代码将数据加载到表“studentDataSet.StuInfo”中。您可以根据需要移动或移除它。
            this.stuInfoTableAdapter.Fill(this.studentDataSet.StuInfo);
            

        }
        

        private void stuInfoBindingSource_CurrentChanged(object sender, EventArgs e)
        {

        }

        private void Form1_FormClosed(object sender, FormClosedEventArgs e)
        {
            DialogResult result;
            if (studentDataSet.HasChanges())
            {
                result=MessageBox.Show("数据已被修改，是否保存？","系统提示",
                                 MessageBoxButtons.YesNo ,MessageBoxIcon.Information);
                if (result==DialogResult.Yes)
                {
                    //this.Validate();
                    this.stuInfoBindingSource.EndEdit();
                    this.stuInfoTableAdapter.Update(this.studentDataSet.StuInfo);
                    
                }
            }
        }
    }
}