Argentini.Halide.H3Reader.GetStringNullable C# (CSharp) Méthode

        public String GetStringNullable(string columnName)
        {
            try
            {
                String x = null;

                if (dr_Oledb != null)
                {
                    if (!dr_Oledb.IsDBNull(dr_Oledb.GetOrdinal(columnName)))
                    {
                        x = dr_Oledb[dr_Oledb.GetOrdinal(columnName)].ToString();
                    }
                }

                else
                {
                    if (!dr.IsDBNull(dr.GetOrdinal(columnName)))
                    {
                        x = dr[dr.GetOrdinal(columnName)].ToString();
                    }
                }

                return x;
            }

            catch (Exception err)
            {
                _lastSqlError = err;
                return null;
            }
        }