private void button2_Click(object sender, EventArgs e) { dataGridView1.DataSource = DAO.viewAccount(u1.Username.ToString()).Tables["Account"]; dataGridView1.ReadOnly = false; DataGridViewCheckBoxColumn CheckColunms = new DataGridViewCheckBoxColumn(); CheckColunms.Name = "选择"; CheckColunms.Width = 50; this.dataGridView1.Columns.Insert(0, CheckColunms); for (int i = 0; i < dataGridView1.Rows.Count; i++) { dataGridView1.Rows[i].Cells[0].Value = false; } dataGridView1.CellContentClick += DataGridView1_CellContentClick; dataGridView1.Columns[1].HeaderText = "账号"; dataGridView1.Columns[2].HeaderText = "银行"; dataGridView1.Columns[3].HeaderText = "卡类型"; dataGridView1.Columns[4].HeaderText = "余额"; dataGridView1.Columns[5].HeaderText = "用户"; dataGridView1.Columns[6].HeaderText = "额度"; this.button2.Enabled = false; }