private void FrmStaffList_Load(object sender, EventArgs e)
{
dgvStaff.DataSource = StaffDao.ListAllStaff();
dgvStaff.ColumnHeadersDefaultCellStyle.Font =
new Font("Time News Roman", 14, FontStyle.Bold);
dgvStaff.DefaultCellStyle.Font = new Font("Khmer OS System", 12);
dgvStaff.Columns["ID"].Visible = false;
dgvStaff.Columns["Name"].Width = 200; //define column width
dgvStaff.Columns["Salary"].DefaultCellStyle.Format = "c";
dgvStaff.Columns["HireDate"].DefaultCellStyle.Format = "dd/MM/yyyy";
dgvStaff.Columns["StopDate"].DefaultCellStyle.Format = "dd/MM/yyyy";
//define image size stretch
DataGridViewImageColumn img = new DataGridViewImageColumn();
img = (DataGridViewImageColumn)dgvStaff.Columns["Photo"];
img.ImageLayout = DataGridViewImageCellLayout.Stretch;
foreach (DataGridViewColumn col in dgvStaff.Columns)
{
col.SortMode = DataGridViewColumnSortMode.NotSortable;
}
//dgvStaff.ClearSelection(); //clear select item in datagridview
}