1.Join到SQL中的表
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- IFeatureLayer pFeatureLayer = axMapControl1.Map.get_Layer(0) as IFeatureLayer;
- IFeatureClass pFeatureClass = pFeatureLayer.FeatureClass;
- IWorkspaceFactory pWsFact;
- IWorkspace pWorkspace;
- pWsFact = new OLEDBWorkspaceFactoryClass();
- IPropertySet pPropertySet=new PropertySetClass();
- pPropertySet.SetProperty("CONNECTSTRING", "Provider=SQLOLEDB;server=.;database=test;User Id=sa;Password=123");
- pWorkspace = pWsFact.Open(pPropertySet, 0);
- IFeatureWorkspace pFeatWS = (IFeatureWorkspace)pWorkspace;
- ITable pOleTable = pFeatWS.OpenTable(inTable);
- IMemoryRelationshipClassFactory pMemRelFact = new MemoryRelationshipClassFactoryClass();
- IRelationshipClass pRelClass = pMemRelFact.Open("", pFeatureClass, "村", (IObjectClass)pOleTable, "cunWei", "forward", "backward", esriRelCardinality.esriRelCardinalityOneToOne);
- IDisplayRelationshipClass pDispRC=pFeatureLayer as IDisplayRelationshipClass;
- pDispRC.DisplayRelationshipClass(pRelClass, esriJoinType.esriLeftOuterJoin);
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名称栏目：table表与图层之间的Join-创新互联
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