阅读:1772回复:2
Geodatabase多条件查询的问
<DIV>Access的Geodatabase,使用IFeatureClass的Serch方法查找Feature<BR>多条件查询时总是出错<BR>例如:<BR> strClause="OBJECTID >100 and population>100000000 "<BR> set pFeautureCursor=pFeatureClass.search(strClause,false)<BR>不论连接符or、 and都出错,提示如下:<BR>参数不足,期待是1 <BR><BR>期待知道的朋友不吝赐教,先谢了</DIV><BR >
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1楼#
发布于:2007-07-11 11:22
<P>应该是(C#表示的):</P>
<P>IQueryFilter = new QueryFilter();<BR>pQf.WhereClause = ="OBJECTID >100 and population>100000000 ";<BR> pFeautureCursor=pFeatureClass.search(pQf ,false)<BR></P> |
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2楼#
发布于:2007-07-16 20:33
对,参数为IQueryFilter,不是strClause
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