(datagridview）如果单击列表头，全选．(第一列为复选框）

private void dataGridView1_CellClick(object sender, DataGridViewCellEventArgs e)        {            if (e.RowIndex == -1   )//如果单击列表头，全选．            {                int i;                for (i = 0; i < this.dataGridView1.RowCount; i++)                {                    this.dataGridView1.EndEdit();//结束编辑状态．                    string re_value = this.dataGridView1.Rows[i].Cells[0].EditedFormattedValue.ToString();                    this.dataGridView1.Rows[i].Cells[0].Value   = "true";//如果为true则为选中,false未选中                    this.dataGridView1.Rows[i].Selected = true;//选中整行。                                  }               }        } 

转载于:https://www.cnblogs.com/hengbo/archive/2008/11/26/2232517.html

相关资源：DataGridView的列头筛选功能，以及列头带checkbox