Filter a DataTable

There will be a requirement where you have to filter out the data you fetched from the database into a DataTable. In this scenario we can user a DataView to filter out the data.
Ex: I have states of India and their zone
DataTable dtStates(ID, Name, Zone) : 1 Andhra Pradesh South, 2 Arunachal Pradesh East, 3 Bihar North
I need to filter out the ones that are in south zone. Here is the code for it
DataView dvSouthZoneStates = dtStates.DefaultView;
dvSouthZoneStates.RowFilter = "Zone='South'";
Now we can use this DataView to bind data.