Wouldn't it be nice if you could use good-ole SQL language to execute a Select statement
against a set of locally-cached DataTables that you've already retrieved from an underlying
This class does exactly that... it supports a minimal set of SQL SELECT command statements
against a group of ADO.Net DataTables contained in a detached DataSet. The purpose is to
prevent a round trip to the server to accomplish simple things like what is available with
the JOIN and GROUP BY clauses of the SELECT command.
The syntax for the SELECT command is designed around the SQL Server 2000 dialect of the SQL
What's supported is SQL statements like the following:
SELECT Categories.CategoryID, CategoryName, AVG(UnitsInStock) AS AvgUnits
FROM Products JOIN Categories ON Categories.CategoryID = Products.CategoryID
WHERE (UnitsInStock > 0) AND (Discontinued = 0)
GROUP BY Categories.CategoryID, CategoryName
HAVING (AVG(UnitsInStock) > 30)
ORDER BY AvgUnits DESC
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