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Executes a specified command, optionally with parameters, and returns results as a DataReader object.
Namespace: Microsoft.VisualStudio.Data.AdoDotNet
Assembly: Microsoft.VisualStudio.Data (in Microsoft.VisualStudio.Data.dll)
Syntax
'Declaration
Public Overridable Function Execute ( _
command As String, _
commandType As Integer, _
parameters As DataParameter(), _
commandTimeout As Integer _
) As DataReader
public virtual DataReader Execute(
string command,
int commandType,
DataParameter[] parameters,
int commandTimeout
)
public:
virtual DataReader^ Execute(
String^ command,
int commandType,
array<DataParameter^>^ parameters,
int commandTimeout
)
abstract Execute :
command:string *
commandType:int *
parameters:DataParameter[] *
commandTimeout:int -> DataReader
override Execute :
command:string *
commandType:int *
parameters:DataParameter[] *
commandTimeout:int -> DataReader
public function Execute(
command : String,
commandType : int,
parameters : DataParameter[],
commandTimeout : int
) : DataReader
Parameters
command
Type: System.StringCommand to execute that is specific to the data source.
commandType
Type: System.Int32Type of the indicated command, specifying how to interpret the contents of the command parameter.
parameters
Type: array<Microsoft.VisualStudio.Data.DataParameter[]Array of DataParameter object for the specified command type.
commandTimeout
Type: System.Int32Length of time, in seconds, to block the client before canceling the schema derivation and returning to the caller. A value of zero indicates infinite timeout; value of -1 indicates a provider default.
Return Value
Type: Microsoft.VisualStudio.Data.DataReader
Returns a DataParameter object, which provides a forward-only, read-only stream from the data source.
Remarks
Due to varying orders in which data and parameter values can be returned by a data source, any out or return value parameters specified in the parameters array of DataParameter objects can be retrieved only after the returned DataReader has been closed.
.NET Framework Security
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.