iterate through dataset and get specific value

I have a dataset from which i want to iterate and get a specific value. kind of like a where clause in my dataset.

iterate through dataset get userid  where username = "something"
pratikshahseAsked:
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Shaun KlineLead Software EngineerCommented:
If you have a dataset, you can use a DataView on the table in the dataset containing the data.
Look at this page from MSDN: http://msdn.microsoft.com/en-us/library/system.data.datatable.defaultview(v=vs.110).aspx
Jesus RodriguezIT ManagerCommented:
dSet.Tables(0).DefaultView.RowFilter="username='something'"

or for selecting

dSet.Tables(0).select("username='something'")

look at here the examples
http://www.codeproject.com/Questions/208337/Dataset-table-filtering-How-to-filter-for-rows-whe

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