public static DataTable GetCustomers(string state)
        {
            SqlConnection conn = CourseConnection.MMABooks();

            SqlCommand selectCommand = new SqlCommand();

            selectCommand.Connection  = conn;
            selectCommand.CommandText = "Select * From Customers Where Region = @State";
            selectCommand.Parameters.AddWithValue("@State", state);

            SqlDataAdapter da = new SqlDataAdapter();

            da.SelectCommand = selectCommand;

            DataTable dt = new DataTable();

            try
            {
                conn.Open();
                da.Fill(dt);

                return(dt);
            }
            catch (Exception ex)
            {
                throw ex;
            }
            finally
            {
                conn.Close();
            }
        }
        public static SqlDataReader GetStates()
        {
            SqlConnection conn = CourseConnection.MMABooks();

            string     sql           = "Select StateCode From States";
            SqlCommand selectCommand = new SqlCommand();

            selectCommand.Connection = conn;
            //selectCommand.CommandType = CommandType.StoredProcedure;
            //selectCommand.CommandText = "StoredProcName";
            selectCommand.CommandText = sql;

            try
            {
                conn.Open();
                SqlDataReader reader = selectCommand.ExecuteReader(CommandBehavior.CloseConnection);

                return(reader);
            }
            catch (Exception ex)
            {
                throw ex;
            }
            finally
            {
                //Clean Up
                //conn.Close();
            }
        }