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What is the difference between ExecuteReader,ExecuteNonQuery
and ExecuteScalar.
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Answer Posted / divya sharma
Execute Non Query- its for manipulation
(insert,delete,update),returns number of rows affected.
Execute Reader- accesses data in read only,forward only way
(perform commands such as select).
Execute scalar- returns only one value i.e. 1st row,1st
column, after execution of query.
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