i use stored procedure to fill data in combobox and when the user open the form i want dont display just (----select----) when he click on this combobox the data display in C#

  CB_Driver_name.DataSource = clsParts.GET_ALL_DRIVER_NAME();
  CB_Driver_name.DisplayMember = "Driver_Name";
  CB_Driver_name.ValueMember = "Driver_ID";