Gemstone Data Library
Ado
Executes the SQL statement using Connection, and returns the value in the first column
of the first row in the result set as type returnType, substituting defaultValue
if Value is retrieved.
Definition
Namespace: Gemstone.Data
Assembly: Gemstone.Data (in Gemstone.Data.dll) Version: 1.0.138 -- Release Build+f7ceb3e02ea3c92b27e86b99ae16cee337a20b9e
Value in the first column of the first row in the result set.
Assembly: Gemstone.Data (in Gemstone.Data.dll) Version: 1.0.138 -- Release Build+f7ceb3e02ea3c92b27e86b99ae16cee337a20b9e
C#
public Task<Object?> ExecuteScalarAsync(
Type returnType,
Object? defaultValue,
string sqlFormat,
CancellationToken cancellationToken,
params Object?[] parameters
)VB
Public Function ExecuteScalarAsync (
returnType As Type,
defaultValue As Object,
sqlFormat As String,
cancellationToken As CancellationToken,
ParamArray parameters As Object()
) As Task(Of Object)C++
public:
Task<Object^>^ ExecuteScalarAsync(
Type^ returnType,
Object^ defaultValue,
String^ sqlFormat,
CancellationToken cancellationToken,
... array<Object^>^ parameters
)JavaScript
function ExecuteScalarAsync(returnType, defaultValue, sqlFormat, cancellationToken, ... parameters);Parameters
- returnType Type
- The type to which the result of the query should be converted.
- defaultValue Object
- The value to be substituted if Value is retrieved.
- sqlFormat String
- Format string for the SQL statement to be executed.
- cancellationToken CancellationToken
- Propagates notification that operations should be canceled.
- parameters Object
- The parameter values to be used to fill in DbParameter parameters.
Return Value
TaskObjectValue in the first column of the first row in the result set.