OdbcCommand.ExecuteScalar Method
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
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 ObjectThe first column of the first row in the result set, or a null reference if the result set is empty.
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.
| Product | Versions |
|---|---|
| .NET | 8 (package-provided), 9 (package-provided), 10 (package-provided) |
| .NET Framework | 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
| .NET Standard | 2.0 (package-provided) |
.NET feedback
.NET is an open source project. Select a link to provide feedback: