请问一下 小弟使用C#的dataset去存取一个XML档案 这XML档案如下方所示 其中我想要筛选资料出来 (资料例如为event date="2005-07-01" time="09:00:00" value="365.72") 若使用者输入想要取用locationId是01000050时 可以取出绿色标示的那些 想请问一下要怎样才可以筛选资料出来? 感谢感谢~~ - <TimeSeries version="1.2" xmlns="http://www.wldelft.nl/"> - <series> - <header> <type>instantaneous</type> <locationId>01000030</locationId> <parameterId>H.obs</parameterId> <timeStep multiplier="600" unit="second" /> <startDate date="2005-07-01" time="09:00:00" /> <endDate date="2005-07-19" time="15:00:00" /> <missVal>-999.0</missVal> <units>m</units> </header> <event date="2005-07-01" time="09:00:00" value="365.72" /> <event date="2005-07-02" time="09:00:00" value="365.79" /> </series> - <series> - <header> <type>instantaneous</type> <locationId>01000050</locationId> <parameterId>H.obs</parameterId> <timeStep multiplier="600" unit="second" /> <startDate date="2005-07-01" time="09:00:00" /> <endDate date="2005-07-19" time="15:00:00" /> <missVal>-999.0</missVal> <units>m</units> </header> <event date="2005-07-01" time="09:00:00" value="205.77" /> <event date="2005-07-02" time="09:00:00" value="205.76" /> <event date="2005-07-03" time="09:00:00" value="205.75" /> <event date="2005-07-04" time="09:00:00" value="205.75" /> <event date="2005-07-04" time="12:50:00" value="-999.0" /> </series> - <series> - <header> <type>instantaneous</type> <locationId>01000131</locationId> <parameterId>H.obs</parameterId> <timeStep multiplier="600" unit="second" /> <startDate date="2005-07-01" time="09:00:00" /> <endDate date="2005-07-19" time="15:00:00" /> <missVal>-999.0</missVal> <units>m</units> </header> <event date="2005-07-01" time="09:00:00" value="2.0" /> <event date="2005-07-02" time="09:00:00" value="1.96" /> <event date="2005-07-03" time="09:00:00" value="2.0" /> </series> </TimeSeries> --

※ 发信站: 批踢踢实业坊(ptt.cc) ◆ From: 140.112.190.123 ※ 编辑: yucgg 来自: 140.112.190.123 (09/25 16:47)