/// <summary> /// 判断建筑是否存在 /// </summary> /// <param name="objectid">Object主键</param> /// <returns></returns> public bool JudgeObjectID(string objectid) { oledbConn = SqlConn.getOleConn(); string sql = "select * from builderObject where buildObjectID = '" + objectid + "'"; oledbCom = new OleDbCommand(sql, oledbConn); if (oledbCom.ExecuteScalar() == null) { return(false); } else { return(true); } }
/// <summary> /// 查询全部信息 /// </summary> /// <param name="tablename">表名</param> /// <param name="conditions">条件</param> /// <returns></returns> public DataSet selectTableAll(string tablename) { using (oledbConn = SqlConn.getOleConn()) { try { oledbCom = new OleDbCommand("select * from " + tablename + " ", oledbConn); oledbDap = new OleDbDataAdapter(oledbCom); ds = new DataSet(); oledbDap.Fill(ds, tablename); } catch (Exception e) { System.Windows.Forms.MessageBox.Show(e.Message.ToString()); } return(ds); } }
/// <summary> /// 插入方法 /// </summary> /// <param name="commStr">一个完整的insert语句sql的</param> /// <returns></returns> public bool Insert(string commStr) { using (oledbConn = SqlConn.getOleConn()) { try { oledbCom = new OleDbCommand(commStr, oledbConn); if (oledbCom.ExecuteNonQuery() > 0) { return(true); } else { return(false); } } catch (Exception e) { System.Windows.Forms.MessageBox.Show(e.Message.ToString()); return(false); } } }