DataGridBoolColumn.AllowNull Property
Definition
Important
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Gets or sets a value indicating whether null values are allowed.
public:
property bool AllowNull { bool get(); void set(bool value); };
public bool AllowNull { get; set; }
member this.AllowNull : bool with get, set
Public Property AllowNull As Boolean
Property Value
true
if null values are allowed, otherwise, false
. The default is true
.
Examples
The following code example sets the AllowNull property.
void SetAllowNull()
{
DataGridBoolColumn^ myGridColumn = dynamic_cast<DataGridBoolColumn^>(dataGrid1->TableStyles[ 0 ]->GridColumnStyles[ 0 ]);
myGridColumn->AllowNull = false;
}
private void SetAllowNull(){
DataGridBoolColumn myGridColumn = (DataGridBoolColumn)dataGrid1.TableStyles[0].GridColumnStyles[0];
myGridColumn.AllowNull = false;
}
Private Sub SetAllowNull()
Dim myGridColumn As DataGridBoolColumn = CType(dataGrid1.TableStyles(0).GridColumnStyles(0), DataGridBoolColumn)
myGridColumn.AllowNull = False
End Sub
Remarks
When this property is set to false, the check boxes in the column have only two states: checked (true
) and unchecked (false
).
Applies to
See also
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