/// <summary> /// 更新一条数据 /// </summary> public int Update(Model.DisaCrossPoint model) { StringBuilder strSql = new StringBuilder(); strSql.Append("UPDATE DisaCrossPoint SET "); strSql.Append("PID=@in_PID,"); strSql.Append("PName=@in_PName,"); strSql.Append("LAT=@in_LAT,"); strSql.Append("LON=@in_LON"); strSql.Append(" WHERE ID=@in_ID"); SqlParameter[] cmdParms = new SqlParameter[] { new SqlParameter("@in_PID", SqlDbType.Int), new SqlParameter("@in_PName", SqlDbType.NVarChar), new SqlParameter("@in_LAT", SqlDbType.Decimal), new SqlParameter("@in_LON", SqlDbType.Decimal), new SqlParameter("@in_ID", SqlDbType.Int) }; cmdParms[0].Value = model.PID; cmdParms[1].Value = model.PName; cmdParms[2].Value = model.LAT; cmdParms[3].Value = model.LON; cmdParms[4].Value = model.ID; return(DbHelperSQL.ExecuteSql(strSql.ToString(), cmdParms)); }
/// <summary> /// 由一行数据得到一个实体 /// </summary> private Model.DisaCrossPoint GetModel(DbDataReader dr) { Model.DisaCrossPoint model = new Model.DisaCrossPoint(); model.ID = DbHelperSQL.GetInt(dr["ID"]); model.PID = DbHelperSQL.GetInt(dr["PID"]); model.PName = DbHelperSQL.GetString(dr["PName"]); model.LAT = DbHelperSQL.GetDouble(dr["LAT"]); model.LON = DbHelperSQL.GetDouble(dr["LON"]); return(model); }
/// <summary> /// 得到一个对象实体 /// </summary> public Model.DisaCrossPoint GetModel(int ID) { StringBuilder strSql = new StringBuilder(); strSql.Append("SELECT * FROM DisaCrossPoint "); strSql.Append(" WHERE ID=" + ID.ToString()); Model.DisaCrossPoint model = null; using (SqlDataReader dr = DbHelperSQL.ExecuteReader(strSql.ToString())) { while (dr.Read()) { model = GetModel(dr); } return(model); } }
/// <summary> /// 增加一条数据 /// </summary> public int Add(Model.DisaCrossPoint model) { StringBuilder strSql = new StringBuilder(); strSql.Append("INSERT INTO DisaCrossPoint("); strSql.Append("PID,PName,LAT,LON)"); strSql.Append(" VALUES ("); strSql.Append("@in_PID,@in_PName,@in_LAT,@in_LON)"); SqlParameter[] cmdParms = new SqlParameter[] { new SqlParameter("@in_PID", SqlDbType.Int), new SqlParameter("@in_PName", SqlDbType.NVarChar), new SqlParameter("@in_LAT", SqlDbType.Decimal), new SqlParameter("@in_LON", SqlDbType.Decimal) }; cmdParms[0].Value = model.PID; cmdParms[1].Value = model.PName; cmdParms[2].Value = model.LAT; cmdParms[3].Value = model.LON; return(DbHelperSQL.ExecuteSql(strSql.ToString(), cmdParms)); }