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DbColumn.AllowDBNull Property

Definition

Gets a nullable boolean value that indicates whether DBNull values are allowed in this column, or returns null if no value is set. Can be set to either true or false indicating whether DBNull values are allowed in this column, or null (Nothing in Visual Basic) when overridden in a derived class.

public:  property Nullable<bool> AllowDBNull {  public:
Nullable<bool> get(); protected:
 void set(Nullable<bool> value); };
public bool? AllowDBNull { get; protected set; }
member this.AllowDBNull : Nullable<bool> with get, set
Public Property AllowDBNull As Nullable(Of Boolean)

Property Value

Returns true if DBNull values are allowed in this column; otherwise, false. If no value is set, returns a null reference (Nothing in Visual Basic).

Applies to