dataGridView右键菜单并选中该行 程序代码: private void dataGridView1_CellMouseDown(object sender, DataGridViewCellMouseEventArgs e) { if (e.Button == MouseButtons.Right) { if (e.RowIndex >= 0) { dataGridView1.ClearSelection(); dataGridView1.Rows[e.RowIndex].Selected = true; dataGridView1.CurrentCell = dataGridView1.Rows[e.RowIndex].Cells[e.ColumnIndex]; contextMenuStrip1.Show(MousePosition.X, MousePosition.Y); } } } 去掉带*好的左边的那一列: 把DataGridView 的RowHeadervisible设置成false