''ParameterDirection'' ''serializable'

ParameterDirection serializable

System.Data (system.data.dll) enum

This enumeration specifies the IDataParameter.Direction property. Input , the default, indicates a parameter passed into a stored procedure. Output specifies a parameter passed back from a stored procedure. InputOutput specifies a parameter that is passed in to and back from the stored procedure. Finally, ReturnValue specifies a parameter that is the return value of the stored procedure.

public enum ParameterDirection {
   Input = 1,
   Output = 2,
   InputOutput = 3,
   ReturnValue = 6


System.Object figs/U2192.gif System.ValueType figs/U2192.gif System.Enum(System.IComparable, System.IFormattable , System.IConvertible) figs/U2192.gif ParameterDirection

Returned By

IDataParameter.Direction , System.Data.OleDb.OleDbParameter.Direction , System.Data.OracleClient.OracleParameter.Direction , System.Data.SqlClient.SqlParameter.Direction

Passed To

IDataParameter.Direction , System.Data.OleDb.OleDbParameter.{Direction , OleDbParameter( )} , System.Data.OracleClient.OracleParameter.{Direction , OracleParameter( )} , System.Data.SqlClient.SqlParameter.{Direction , SqlParameter( )}

    Part I: ADO.NET Tutorial
    Part II: ADO.NET Core Classes
    Part III: API Quick Reference
    Chapter 34. The System.Data Namespace