摘要: 插入数据 利用Insert Cursors和featureBuffer IFeatureBuffer featureBuffer = featureClass.CreateFeatureBuffer(); IFeatureCursor featureCurso...
插入数据
利用Insert Cursors和featureBuffer
IFeatureBuffer featureBuffer = featureClass.CreateFeatureBuffer();
IFeatureCursor featureCursor = featureClass.Insert(true);
object featureOID;
featureBuffer.set_Value(featureBuffer.Fields.FindField("InstBy"), "B Pierce");
for (int ic = 0; ic < 99; ic++)
{
featureBuffer.Shape = geometry;
featureOID = featureCursor.InsertFeature(featureBuffer);
} featureBuffer.set_Value(featureBuffer.Fields.FindField("InstBy"), "K Johnston");
for (int ic = 0; ic < 99; ic++)
{
featureBuffer.Shape = geometry
featureOID = featureCursor.InsertFeature(featureBuffer);
}
featureCursor.Flush();
直接进行数据插入(Feature.Store方法)
IFeature newLineFeature = LineFeaClass.CreateFeature();
newLineFeature.Shape = pFeature.Shape;
int ii = newLineFeature.Fields.FindField(AreaZonalName);
if (ii > 0)
{
newLineFeature.set_Value(ii, this.AnalysAreaComboBox.Text.Trim());
}
newLineFeature.Store();
数据删除 delete
IFeatureClass featureClass = featureWorkspace.OpenFeatureClass("Parcels");
IQueryFilter queryFilter = new QueryFilterClass();
queryFilter.WhereClause = "ZONING_S = 'R'";
IFeatureCursor updateCursor = featureClass.Update(queryFilter, false);
IFeature feature = updateCursor.NextFeature();
int m = 0;
while (feature != null)
{
m++;
updateCursor.DeleteFeature(feature);
feature = updateCursor.NextFeature();
}
数据更新 update
IFeatureClass featureClass = featureWorkspace.OpenFeatureClass("Parcels");
// 属性查询
IQueryFilter queryFilter = new QueryFilterClass();
queryFilter.WhereClause = "ZONING_S = 'U'";
//利用FeatureCursor进行数据更新
IFeatureCursor updateCursor = featureClass.Update(queryFilter, false);
int fieldindex = featureClass.FindField("ZONING_S");
IFeature feature = updateCursor.NextFeature();
int m = 0;
while (feature != null)
{
m++;
feature.set_Value(fieldindex, "X");
updateCursor.UpdateFeature(feature);
feature = updateCursor.NextFeature();
}