ParameterDirection ParameterDirection ParameterDirection ParameterDirection Enum


Specifies the type of a parameter within a query relative to the DataSet.

public enum class ParameterDirection
public enum ParameterDirection
type ParameterDirection = 
Public Enum ParameterDirection


Input Input Input Input 1

The parameter is an input parameter.

InputOutput InputOutput InputOutput InputOutput 3

The parameter is capable of both input and output.

Output Output Output Output 2

The parameter is an output parameter.

ReturnValue ReturnValue ReturnValue ReturnValue 6

The parameter represents a return value from an operation such as a stored procedure, built-in function, or user-defined function.


The ParameterDirection values are used by the parameter direction properties of OleDbParameter and SqlParameter.

Applies to