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OdbcCommand::ExecuteScalar Method ()
.NET Framework (current version)
Executes the query, and returns the first column of the first row in the result set returned by the query. Additional columns or rows are ignored.
Assembly: System.Data (in System.Data.dll)
Return Value
Type: System::Object^The first column of the first row in the result set, or a null reference if the result set is empty.
Implements
IDbCommand::ExecuteScalar()Use the ExecuteScalar method to retrieve a single value (for example, an aggregate value) from a data source. This requires less code than using the ExecuteReader method, and then performing the operations required to generate the single value from the data returned by an OdbcDataReader.
.NET Framework
Available since 1.1
Available since 1.1
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