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: 1.0.147 -- Release Build+c5cc8ba56e7568e903c204fe8ae9773b97af8eef
Value in the first column of the first row in the result set.
Assembly: Gemstone.Data (in Gemstone.Data.dll) Version: 1.0.147 -- Release Build+c5cc8ba56e7568e903c204fe8ae9773b97af8eef
C#
public Task<Object?> ExecuteScalarAsync(
Type returnType,
Object? defaultValue,
int timeout,
string sqlFormat,
CancellationToken cancellationToken,
params Object?[] parameters
)VB
Public Function ExecuteScalarAsync (
returnType As Type,
defaultValue As Object,
timeout As Integer,
sqlFormat As String,
cancellationToken As CancellationToken,
ParamArray parameters As Object()
) As Task(Of Object)C++
public:
Task<Object^>^ ExecuteScalarAsync(
Type^ returnType,
Object^ defaultValue,
int timeout,
String^ sqlFormat,
CancellationToken cancellationToken,
... array<Object^>^ parameters
)JavaScript
function ExecuteScalarAsync(returnType, defaultValue, timeout, 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.
- timeout Int32
- The time in seconds to wait for the SQL statement to execute.
- 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.