private void DataGird_CellMouseLeave(object sender, DataGridViewCellEventArgs e)
 {
     DataGird.ClearSelection();
     if (e.RowIndex > -1)
     {
         DataGird.Rows[e.RowIndex].DefaultCellStyle.BackColor = Color.White;
     }
 }
 // Hover hàng
 private void DataGird_CellMouseMove(object sender, DataGridViewCellMouseEventArgs e)
 {
     DataGird.ClearSelection();
     if (e.RowIndex > -1)
     {
         DataGird.Rows[e.RowIndex].DefaultCellStyle.BackColor = Color.FromArgb(221, 221, 221);
     }
 }