dataGridView加入CheckBox

加入CheckBox

            //DataGridView加入CheckBox

            DataGridViewColumn colCheck = new DataGridViewCheckBoxColumn();

//設定寬度            

colCheck.Width = 45;

//設定該行背景顏色

            colCheck.CellTemplate.Style.BackColor = Color.Yellow;

            //this.dataGridView1.Columns.Add(col);

            dataGridView1.Columns.Insert(0, colCheck);

CheckBox全選

private void button2_Click(object sender, EventArgs e)
       {
           //全選  
           for (int i = 0; i < dataGridView1.RowCount; i++)
           {

               dataGridView1.Rows[i].Cells[0].Value = true;
           }  
       }

CheckBox全部取消
private void button3_Click(object sender, EventArgs e)
       {
           //取消  
           for (int i = 0; i < dataGridView1.RowCount; i++)
           {
               dataGridView1.Rows[i].Cells[0].Value = false;
           }       
       }