BeWoPlaner/Data/Access/AdoDAO.cs

using System.Data;
using System.Data.SqlClient;

using MySql.Data.MySqlClient;

namespace BeWo.Data.Access
{
    public class AdoDAO : AbstractBaseDAO
    {
        public DataSet ExecuteQuery(string pQuery)
        {
            DataSet lDs = new DataSet();
            if (!string.IsNullOrEmpty(pQuery))
            {
                using (var lCommand = this.Session.Connection.CreateCommand())
                {
                    lCommand.CommandText = pQuery;



                    IDataAdapter lAdapter = lCommand is SqlCommand
                        ? new SqlDataAdapter { SelectCommand = (SqlCommand)lCommand }
                        : (IDataAdapter)
                            new MySqlDataAdapter { SelectCommand = (MySqlCommand)lCommand };

                    lAdapter.Fill(lDs);
                }
            }


            return lDs;
        }
    }
}