How to obtain primary key?

[paul_heru]

I want to ask the option in the dataset or in the sqldataadapter , so when the Fill procedure is executed, the dataset.primarykey object contains with primarykey column(s) (definition etc), thanks

 

[paul_heru]

O and I'd like to ask how to obtain name(s) of the primary key column(s) in sql analyzer( with sys table ), can u give me the query,thanks