Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
This section provides LINQ to DataSet programming examples in method-based query syntax that use the standard query operators. The DataSet used in these examples is populated by using the FillDataSet
method, which is specified in Loading Data Into a DataSet. For more information, see Standard Query Operators Overview (C#) or Standard Query Operators Overview (Visual Basic).
In This Section
Projection
The examples in this topic demonstrate how to use the Select and SelectMany methods to query a DataSet.
Partitioning
The examples in this topic demonstrate how to use the Skip and Take methods to query a DataSet and partition the results.
Ordering
The examples in this topic demonstrate how to use the OrderBy, OrderByDescending, Reverse, and ThenByDescending methods to query a DataSet and order the results.
Set Operators
The examples in this topic demonstrate how to use the Distinct, Except, Intersect, and Union operators to perform value-based comparison operations on sets of data rows.
Conversion Operators
The examples in this topic demonstrate how to use the ToArray, ToDictionary, and ToList methods to immediately execute a query expression.
Element Operators
The examples in this topic demonstrate how to use the First and ElementAt methods to get DataRow elements from a DataSet.
Aggregate Operators
The examples in this topic demonstrate how to use the Average, Count, Max, Min, and Sum methods to query a DataSet and aggregate data.
Join
The examples in this topic demonstrate how to use the GroupJoin and Join methods to query a DataSet.