SQLServer.NET data provider is high-speed and robust, but requires SQL Server license purchased from Microsoft. OLE-DB.NET is universal for accessing other sources, like Oracle, DB2, Microsoft Access and Informix, but it is a .NET layer on top of OLE layer, so not the fastest thing in the world. ODBC.NET is a deprecated layer provided for backward compatibility to ODBC engines.
What does the Dispose method do with the connection object?
What is the smallest unit of execution in .NET?
Difference between directcast and ctype.
An example of a ctype and directcast.
Explain manifest & metadata in C#.
Difference between value and reference type.
Describe ways of cleaning up objects in C#.
Which controls do not have events?
Which control cannot be placed in MDI?
How to print two details fields at the bottom of the page?
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