Problem running data driven testing ....

Hi I have a scenario ..where i am using two data sources for two of the request with in one test suite.....I need to execute values from both the datasources in a sequnce....the probleme here is once i start running the test suite I only after the completeion of the  inner loop it moves to the outer one ...My requirement is that after haven taken one set of value from one data source it should take the value from the second one and this must go on in a loop...

Please help me with this scenario...


Thanks in Advance,

Arjun