课程设计论文(20)

EventArgs e) {

bs.DataSource = new

studentDAO().searchbysname(textBoxbysname.Text.Trim()); //表格 dataGridView1.DataSource = bs; }

} }

修改学生信息代码如下： using System;

using System.Collections.Generic; using ponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text;

using System.Windows.Forms; using DAL;

namespace studentMIS {

public partial class Formupdate : Form {

public Formupdate() {

InitializeComponent(); }

private void buttonok_Click(object sender, EventArgs e) {

string sno = textBoxsno.Text.Trim(); string sname = textBoxsname.Text.Trim(); string ssex = comboBoxssex.Text.Trim(); string sage = textBoxsage.Text.Trim();

new studentDAO().update(sno, sname, ssex, sage); this.DialogResult = DialogResult.OK; MessageBox.Show("修改成功"); }