arcengine 读取属性表数据

       static public DataTable GetLayerData(IFeatureLayer layer)
        {
            DataTable dt =   new DataTable();
            Dictionary<string ,int> columnKey=new Dictionary<string, int>();
            List<string> columns = Lib.Layer.getLayerField(layer);
            for(int i=0;i<columns.Count;i++)
            {
                if (columns[i] != "FID" && columns[i] != "Shape")
                {
                    dt.Columns.Add(columns[i]);
                    columnKey.Add(columns[i], i);
                }
            }
            int fragFetureCount = layer.FeatureClass.FeatureCount(null);
            for (int i = 0; i < fragFetureCount; i++)
            {
                DataRow dr = dt.NewRow();

                IFeature pFeature = layer.FeatureClass.GetFeature(i);
               for (int j = 0; j < dt.Columns.Count; j++)
               {
                   int index = columnKey[dt.Columns[j].ColumnName];
                   dr[j] = pFeature.get_Value(index);
               }
                dt.Rows.Add(dr);
            }
            return dt;
        }

转载自：https://blog.csdn.net/tianxinzhe032/article/details/6660030