Beispiel #1
0
        /// <summary>
        /// get an instance of object
        /// </summary>
        /// <param name="myID"></param>
        public p_metro getObjectp_metro(System.Int32 myID)
        {
            p_metro myp_metro = new p_metro();
            CnxBase myBase    = new CnxBase();
            string  reqSQL    = "SELECT gid,id,linea,sgc1,sgc2,geom FROM p_metro WHERE (gid=" + myID + ")";

            try
            {
                NpgsqlConnection myConn    = myBase.OpenConnection(myBase.cnxString);
                NpgsqlCommand    myCommand = new NpgsqlCommand(reqSQL, myConn);
                NpgsqlDataReader myReader  = myCommand.ExecuteReader();
                if (myReader.Read())
                {
                    myp_metro.gid      = Convert.ToInt32(myReader[0]);
                    myp_metro.id       = Convert.ToInt32(myReader[1]);
                    myp_metro.linea    = myReader[2].ToString();
                    myp_metro.sgc1     = Convert.ToInt64(myReader[3]);
                    myp_metro.sgc2     = myReader[4].ToString();
                    myp_metro.the_geom = myReader[5].ToString();
                }
                myBase.CloseConnection(myConn);
            }
            catch (Exception myErr)
            {
                throw(new Exception(myErr.ToString() + reqSQL));
            }
            return(myp_metro);
        }
Beispiel #2
0
        /// <summary>
        /// modify a record
        /// </summary>
        public void Update(p_metro myp_metro)
        {
            CnxBase myBase = new CnxBase();
            string  reqSQL = "UPDATE p_metro SET gid=" + myp_metro.gid + ",id=" + myp_metro.id + ",linea='" + myp_metro.linea + "',sgc1=" + myp_metro.sgc1 + ",sgc2='" + myp_metro.sgc2 + "',geom='" + myp_metro.the_geom + "' WHERE (gid=" + myp_metro.gid + ")";

            try
            {
                NpgsqlConnection myConn    = myBase.OpenConnection(myBase.cnxString);
                NpgsqlCommand    myCommand = new NpgsqlCommand(reqSQL, myConn);
                myCommand.ExecuteNonQuery();
                myBase.CloseConnection(myConn);
            }
            catch (Exception myErr)
            {
                throw(new Exception(myErr.ToString() + reqSQL));
            }
        }
Beispiel #3
0
        /// <summary>
        /// add a record
        /// </summary>
        /// <param name="myID"></param>
        public void Insert(p_metro myp_metro)
        {
            CnxBase myBase = new CnxBase();
            string  reqSQL = "INSERT INTO p_metro (gid,id,linea,sgc1,sgc2,geom) VALUES (" + myp_metro.gid + "," + myp_metro.id + ",'" + myp_metro.linea + "'," + myp_metro.sgc1 + ",'" + myp_metro.sgc2 + "','" + myp_metro.the_geom + "')";

            try
            {
                NpgsqlConnection myConn    = myBase.OpenConnection(myBase.cnxString);
                NpgsqlCommand    myCommand = new NpgsqlCommand(reqSQL, myConn);
                myCommand.ExecuteNonQuery();
                myBase.CloseConnection(myConn);
            }
            catch (Exception myErr)
            {
                throw(new Exception(myErr.ToString() + reqSQL));
            }
        }