using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace FEQ0000
{
    public static class DatabaseManager
    {
        private static System.Data.SqlClient.SqlConnection getCn()
        {
            string cs = Properties.Settings.Default.gwcs;
            System.Data.SqlClient.SqlConnection cn = new System.Data.SqlClient.SqlConnection();
            cn.ConnectionString = cs;
            return cn;
        }
        public static List<String> getEQGroupLiist(string GroupColumn,string table)
        {
            List<string> retval = new List<string>();
            var cn = getCn();
            cn.Open();
            var sql = "select {0} from {1} where isnull({0},'') != '' group by {0} order by {0}";
            sql = string.Format(sql, "[" + GroupColumn +"]",table);
            var cmd = new System.Data.SqlClient.SqlCommand(sql,cn);
            var rdr = cmd.ExecuteReader();
            while(rdr.Read())
            {
                retval.Add(rdr[0].ToString());
            }
            cmd.Dispose();
            cn.Close();
            cn.Dispose();
            return retval;
        }
    }
}