string gdbpath = @"E:\newShapes.gdb";
            FileGeoDatabaseFeatureLayer.CreateFileGeoDatabase(gdbpath);
            Collection<FeatureSourceColumn> columnsTemp = new Collection<FeatureSourceColumn>();
            columnsTemp.Add(new FeatureSourceColumn("test", "Date", 20));

            FileGeoDatabaseFeatureLayer.CreateTable(gdbpath, "Table1", WellKnownType.Point, columnsTemp);
            FileGeoDatabaseFeatureLayer gdbLayer = new FileGeoDatabaseFeatureLayer(gdbpath, "table1");

            Feature feature = new Feature(0, 0);
            feature.ColumnValues["test"] = "02-OCT-1969 01:00:00";
            gdbLayer.Open();
            gdbLayer.FeatureSource.BeginTransaction();
            gdbLayer.FeatureSource.AddFeature(feature);
            gdbLayer.FeatureSource.CommitTransaction();

            Collection<string> ids = new Collection<string>() { "1" };
            Feature f = gdbLayer.FeatureSource.GetFeaturesByIds(ids, ReturningColumnsType.AllColumns)[0];