[Sample Of August 8] How to Query in a DataSet with Multiple DataTables
Sample Download : http://code.msdn.microsoft.com/How-to-Query-in-a-DataSet-39a02f42
In this sample, we will demonstrate how to use Expression to query in a DataSet:
1. Create a DataSet with two DataTables;
2. Create the constraints between the tables;
3. Use DataTable.Select Method to get rows from the tables;
4. Use DataTable.Compute Method to compute the specified rows;
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