How to make a relation between data table in data set

Question

I have one data set DS1. In this data set have two data tables: DT1 and DT2 The layout of the data ables looks like this:

DT1 Data:

**ID  Name**
   1  Amit
   2  Alok
   3  Munish

DT2 Data:

**ID  Name**
   2  Alok
   3  Munish
   4  Firoj

I want to create a new table that looks like:

**ID  Name**
   2  Alok
   3  Munish

Answer 1

The DataTable class has a Merge method:

DataTable DT1;
DataTable DT2;
DT1.Merge(DT2);

DataTable.Merge