How to join datatables of a dataset?

I have a dataset which have four datatables.

• Table[0] contains columns such as: storedProcedure,DLLMethod,BLLMethod
• Table[1] contains columns such as: DLLMethod,BLLMethod
• Table[2] contains columns such as: UCName,BLLMethod
• Table[3] contains columns such as: UCName,Function,Module
• Table[4] contains columns such as: StoredProcedure,Function,Module

I want to join first four tables such that final table must contain StoredProcedure,Function and Module.Can anyone Please help me wit开发者_StackOverflow社区h C# coding?

LINQ to DataSet

dim query = from a in table1 join b in table2 on a.table2ID = b.ID select a,b

this can grow on many more tables by adding more joins

var query = from a in table1 join b in table2 on a.table2ID = b.ID select a,b;