แก้ไข

แชร์ผ่าน


OdbcParameter.IsNullable Property

Definition

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

public:
 virtual property bool IsNullable { bool get(); void set(bool value); };
public:
 property bool IsNullable { bool get(); void set(bool value); };
public override bool IsNullable { get; set; }
[System.ComponentModel.Browsable(false)]
public bool IsNullable { get; set; }
member this.IsNullable : bool with get, set
[<System.ComponentModel.Browsable(false)>]
member this.IsNullable : bool with get, set
Public Overrides Property IsNullable As Boolean
Public Property IsNullable As Boolean

Property Value

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

Attributes

Examples

The following example creates an OdbcParameter and sets some of its properties.

Public Sub CreateOdbcParameter()  
   Dim parameter As New OdbcParameter("Description", OdbcType.VarChar, 88)  
   parameter.IsNullable = True  
   parameter.Direction = ParameterDirection.Output  
End Sub  
public void CreateOdbcParameter()   
{  
   OdbcParameter parameter = new OdbcParameter("Description", OdbcType.VarChar, 88);  
   parameter.IsNullable = true;  
   parameter.Direction = ParameterDirection.Output;  
}  

Remarks

Null values are handled using the DBNull class.

Applies to

See also