OdbcCommand.ExecuteScalar Method
Definition
Important
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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.
public:
override System::Object ^ ExecuteScalar();public:
virtual System::Object ^ ExecuteScalar();public override object? ExecuteScalar ();public object ExecuteScalar ();public override object ExecuteScalar ();override this.ExecuteScalar : unit -> objabstract member ExecuteScalar : unit -> obj
override this.ExecuteScalar : unit -> objPublic Overrides Function ExecuteScalar () As ObjectPublic Function ExecuteScalar () As ObjectReturns
The first column of the first row in the result set, or a null reference if the result set is empty.
Implements
Remarks
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.
