private void button3_Click(object sender, EventArgs e)
{
yhgl tm = new yhgl(this);
this.Hide();
tm.Show();
}
public lookyh(yhgl temp)
{
InitializeComponent();
t1 = temp;
listView1.Columns.Add("账号", 105, HorizontalAlignment.Center);
listView1.Columns.Add("姓名", 105, HorizontalAlignment.Center);
listView1.Columns.Add("职称", 105, HorizontalAlignment.Center);
listView1.Items.Clear(); //每次点击事件后将ListView中的数据清空，重新显示
listView1.GridLines = true; //表格是否显示网格线
listView1.FullRowSelect = true; //是否选中整行
listView1.View = View.Details; //设置显示方式
listView1.Scrollable = true; //是否自动显示滚动条
listView1.MultiSelect = true; //是否可以选择多行
String cmd = "select * from user";
MySqlDataReader dgv = MySqlHelper.ExecuteReader(MySqlHelper.Conn, CommandType.Text, cmd, null);
while (dgv.Read())
{
Add(dgv);
}
}