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ExecuteRedear vs ExecuteScalar

Join Date: Dec 2004
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Re: ExecuteRedear vs ExecuteScalar

  #2  
May 10th, 2006
The main difference is the "footprint" of the return value. ExecuteReader always returns an object, for example, a SqlDataReader. Then, to get the actual results, you have to do a Read(), then get the value.

ExecuteScalar immediately returns the actual value.

So, in terms of retrieving Scalar data from a database, ExecuteScalar is more efficient.
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