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SqlParameter.Direction Property

  • Reference

Definition

Namespace:
System.Data.SqlClient
Assembly:
System.Data.SqlClient.dll
Assembly:
System.Data.dll
Assemblies:
netstandard.dll, System.Data.SqlClient.dll
Package:
System.Data.SqlClient v4.8.6

Gets or sets a value that indicates whether the parameter is input-only, output-only, bidirectional, or a stored procedure return value parameter.

public:
 virtual property System::Data::ParameterDirection Direction { System::Data::ParameterDirection get(); void set(System::Data::ParameterDirection value); };
public:
 property System::Data::ParameterDirection Direction { System::Data::ParameterDirection get(); void set(System::Data::ParameterDirection value); };
public override System.Data.ParameterDirection Direction { get; set; }
[System.Data.DataSysDescription("DataParameter_Direction")]
public System.Data.ParameterDirection Direction { get; set; }
member this.Direction : System.Data.ParameterDirection with get, set
[<System.Data.DataSysDescription("DataParameter_Direction")>]
member this.Direction : System.Data.ParameterDirection with get, set
Public Overrides Property Direction As ParameterDirection
Public Property Direction As ParameterDirection

Property Value

ParameterDirection

One of the ParameterDirection values. The default is Input.

Implements

Direction
Attributes
DataSysDescriptionAttribute

Exceptions

ArgumentException

The property was not set to one of the valid ParameterDirection values.

Examples

The following example creates a SqlParameter and sets some of its properties.

Commands and Parameters

DataAdapter Parameters

SQL Server and ADO.NET

Remarks

If the ParameterDirection is output, and execution of the associated SqlCommand does not return a value, the SqlParameter contains a null value.

Output, InputOut, and ReturnValue parameters returned by calling ExecuteReader cannot be accessed until you close the SqlDataReader.

Applies to

See also