C#

protected void Page_Load(object sender, EventArgs e)
       {
           clsDB = new clsDB();
           GetSalesmanDesc();

           if (!IsPostBack)
               Populate_ddlCustomers();
       }

       public void GetSalesmanDesc()
       {
           salesmanList = new List<Salesman>();

           try
           {
               salesmanList = new List<Salesman>();

               con = new SqlConnection(strConnString);
               SqlCommand com;
               com = new SqlCommand();
               com.CommandType = CommandType.StoredProcedure;
               com.CommandText = "GetSalesmanDesc";
               com.CommandTimeout = 300; // try for 5 mins
               com.Connection = con;
               com.Connection.Open();
               SqlDataReader reader = com.ExecuteReader();
               while (reader.Read())
               {
                   Salesman salesman = new Salesman();
                   salesman.SalesmanID = reader["SalesmanCode"] as String;
                   salesman.SalesmanName = reader["Salesman"] as String;
                   salesmanList.Add(salesman);
               }

           }
           catch (System.Data.SqlClient.SqlException ex)
           {
               string msg = "Fetch Error:";
               msg += ex.Message;
               throw new Exception(msg);
           }
           finally
           {
               con.Close();
           }
       }

 public void GetSalesmanDesc()
        {
            salesmanList = new List<Salesman>();
            clsDB.getSalesmanDesc();
}

public bool getSalesmanDesc()
{
    com = new SqlCommand();
    com.CommandTimeout = 300; // try for 5 mins
    com.CommandText = "GetSalesmanDesc";
    com.Connection = sqlCon;
    com.CommandType = CommandType.StoredProcedure;
    da.SelectCommand = com;

    try
    {
        sqlCon.Open();
        SqlDataReader reader = com.ExecuteReader();
        while (reader.Read())
        {
            Salesman salesman = new Salesman();
            salesman.SalesmanID = reader["SalesmanCode"] as String;
            salesman.SalesmanName = reader["Salesman"] as String;
            salesmanList.Add(salesman);  //I'm struggling at this point of adding the items to the salesmanList.
        }
        return true;
    }
    catch (System.Data.SqlClient.SqlException Sex)
    {
        strDBErrorMsg = Sex.Message;
        return false;
    }
    catch (System.Exception Ex)
    {
        strDBErrorMsg = Ex.Message;
        return false;
    }
    finally
    {
        DestroyDatasource();
    }
}