private void BindData()
{
var productTypeList = productTypeService.GetAllProductType();
dgvProductTypes.DataSource = productTypeList;
dgvProductTypes.ReadOnly = true;
dgvProductTypes.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
dgvProductTypes.DefaultCellStyle.SelectionBackColor = Color.Gray;
dgvProductTypes.Columns["ProductTypeId"].Visible = false;
}
