/// <summary>
        /// Получает информацию о сущностях из базы данных
        /// </summary>
        /// <returns></returns>
        public EntityData[] GetEntities()
        {
            Dictionary<string, EntityData> entities = new Dictionary<string, EntityData>();

            foreach (DataRow dr in ds.Tables[0].Rows)
            {
                string className = dr["TABLE_NAME"].ToString();
                EntityData edata =new EntityData(conn.Database, className);
                edata.DatabaseTableName = dr["TABLE_NAME"].ToString();
                entities.Add(className, edata);
            }

            foreach (DataRow dr in ds.Tables[1].Rows)
            {
                EntityType t = new EntityType();
                t.Name = dr["COLUMN_NAME"].ToString();
                t.TypeName = DalTypeConverter.ToCLR(dr["DATA_TYPE"].ToString());
                t.SqlTypeName = DalTypeConverter.ToSql(dr["DATA_TYPE"].ToString());

                t.IsKey = (t.Name.ToUpper() == "ID") ? true : false;
                entities[dr["TABLE_NAME"].ToString()].Fields.Add(t);
            }

            foreach (DataRow dr in ds.Tables[2].Rows)
            {
                //stored procedures
                EntityData spEntity = new EntityData(dr["dataBase"].ToString(), dr["procedure"].ToString());
                spEntity.IsStoredProcedure = true;
                entities.Add(spEntity.ClassName, spEntity);
            }

            foreach (DataRow dr in ds.Tables[3].Rows)
            {
                //stored procedures
                EntityType parameter = new EntityType();
                parameter.Name = dr["parameterName"].ToString().Replace("@", "");
                parameter.TypeName = DalTypeConverter.ToCLR(dr["parameterType"].ToString());
                entities[dr["procedure"].ToString()].Fields.Add(parameter);
            }

            EntityData[] result = new EntityData[entities.Count];
            entities.Values.CopyTo(result, 0);

            return result;
        }
 public void Add(EntityType item)
 {
     items.Add(item);
 }