What is the difference between ExecuteReader,ExecuteNonQuery
and ExecuteScalar.
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Answer Posted / sudha
Executereader :-is used with read Method and it will read
the query and fill that in a dataset.we use it in
datareader.
Execute Scalar:-is used when you want a single output.It is
used with Return Value.
ExecuteNonQuery:-This Function is Used When you want to
update your query it does not perform any aoperation like:-
update,deletion,insert.It is used with Perform Action.
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