private void BindVehicle()
{
DropDownListVehicle.DataSource = Vehicle.GetVehicleListByEmployeeId(this.employeeId);
DropDownListVehicle.DataTextField = "FormattedVehicle";
DropDownListVehicle.DataValueField = "VehicleId";
DropDownListVehicle.DataBind();
//if (DropDownListVehicle.Items.Count > 1)
//{
DropDownListVehicle.Items.Insert(0, new ListItem("Please select", "0"));
//}
}