问DataTable(%s)合并问题

EN

You can try like the below one.Here location is common entity between two tables.

var results = t1.AsEnumerable().Join(t2.AsEnumerable(),
                a => a.Field<String>("Location"),
                b => b.Field<String>("Location"),
                (a, b) =>
                {
                    DataRow row = table.NewRow();
                    row.ItemArray = a.ItemArray.Concat(b.ItemArray).ToArray();
                    table.Rows.Add(row);
                    return row;
                });