Define data access layer?
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Define bubbled event?
What we do with the object of ado.net dataset after using it?Can we dispose it or can we set it nothing?Is it must or not?
What is full form of ado?
What is ado code?
What is connection string?
What is the significance of CommandBehavior.CloseConnection ?
What is dataset and tell about its features. What are equivalent methods of previous, next etc. Of ADO in ADO.NET ?
We all know that Dataset is purely disconnected architechure, but we also know that we can update the changes made to the dataset can be updated in the backend database. when there is no connection how does the update happedn?
6 Answers Accenture, FastStream,
If we want to connect to many databases in dataaccess layer such as MSAccess,Sql server,oracle means not to a particular database depends on condition we have to connect to appropriate database in this scenario if we without changing code Ho wdo you handle this situation?
Explain how to call the sql commands asynchronously in ado.net version 2.0?
Can you explain how to enable and disable connection pooling?
What is datacolumn and how it is used?