Define different execute methods of ADO.NET command object ?
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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?
What is ole data type?
How can you add or remove rows from the datatable object of dataset?
What is sql command in ado net?
What is typed dataset ?
Explain how to bind the controls(best practice) comboboxes to the data in the dataset?
How to find the given query is optimised one or not?
What is the hierarchy of data in databases?
oledbdataadpter with ms access in c#.net giving exception System.Data.OleDb.OleDbException while writing adapter.update(dataset,"tabname"); how to update the database from dataset?
What is ado and dao?
Where do you store connection string ?
What Is Difference Between Ado And Ado.net?
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