private void FillCarPark()
{
dtCP = new DataTable();
dtCP = UnitDirBL.GetCar(m_iTypeId, m_iCCId);
grdCar.DataSource = dtCP;
grdViewCar.Columns["BlockId"].Visible = false;
grdViewCar.Columns["BlockName"].OptionsColumn.ReadOnly = true;
grdViewCar.Columns["AllottedSlots"].OptionsColumn.ReadOnly = true;
//grdViewCar.Columns["NoOfSlots"].OptionsColumn.ReadOnly = false;
grdViewCar.Columns["BlockName"].OptionsColumn.AllowEdit = false;
grdViewCar.Columns["AllottedSlots"].OptionsColumn.AllowEdit = false;
//grdViewCar.Columns["NoOfSlots"].OptionsColumn.AllowEdit = true;
grdViewCar.Columns["AllottedSlots"].AppearanceHeader.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Far;
grdViewCar.Columns["NoOfSlots"].AppearanceHeader.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Far;
RepositoryItemButtonEdit txtAmtEdit = new RepositoryItemButtonEdit();
grdViewCar.Columns["NoOfSlots"].ColumnEdit = txtAmtEdit;
txtAmtEdit.TextEditStyle = TextEditStyles.DisableTextEditor;
txtAmtEdit.Mask.MaskType = DevExpress.XtraEditors.Mask.MaskType.Numeric;
txtAmtEdit.Mask.EditMask = "########################";
txtAmtEdit.Mask.UseMaskAsDisplayFormat = true;
txtAmtEdit.Validating += txtAmtEdit_Validating;
txtAmtEdit.DoubleClick += txtAmtEdit_DoubleClick;
grdViewCar.OptionsSelection.InvertSelection = false;
grdViewCar.OptionsSelection.EnableAppearanceHideSelection = false;
grdViewCar.Appearance.FocusedRow.BackColor = Color.Teal;
grdViewCar.Appearance.FocusedRow.ForeColor = Color.White;
grdViewCar.BestFitColumns();
}