This documentation is archived and is not being maintained.

OdbcParameter.IsNullable Property

Note: This namespace, class, or member is supported only in version 1.1 of the .NET Framework.

Gets or sets a value indicating whether the parameter accepts null values.

[Visual Basic]
Public Overridable Property IsNullable As Boolean  Implements _
public virtual bool IsNullable {get; set;}
public: __property virtual bool get_IsNullable();
public: __property void set_IsNullable(bool);
public function get IsNullable() : Boolean;
public function set IsNullable(Boolean);

Property Value

true if null values are accepted; otherwise, false. The default is false.




Null values are handled using the DBNull class.


[Visual Basic, C#, C++] The following example creates an OdbcParameter and sets some of its properties.

[Visual Basic] 
Public Sub CreateOdbcParameter()
    Dim myParameter As New OdbcParameter("Description", OdbcType.VarChar, 88)
    myParameter.IsNullable = True
    myParameter.Direction = ParameterDirection.Output
End Sub 'CreateOdbcParameter

public void CreateOdbcParameter() 
    OdbcParameter myParameter = new OdbcParameter("Description", OdbcType.VarChar, 88);
    myParameter.IsNullable = true;
    myParameter.Direction = ParameterDirection.Output;

    void CreateOdbcParameter()
        OdbcParameter* myParameter = new OdbcParameter(S"Description", OdbcType::VarChar, 88);
        myParameter->IsNullable = true;
        myParameter->Direction = ParameterDirection::Output;

[JScript] No example is available for JScript. To view a Visual Basic, C#, or C++ example, click the Language Filter button Language Filter in the upper-left corner of the page.


Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family

See Also

OdbcParameter Class | OdbcParameter Members | System.Data.Odbc Namespace