DataDOMEvent.OldValue Property
Definition
Important
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Gets the original value of an XML Document Object Model (DOM) node that is being updated or deleted during a data validation event.
public:
property System::Object ^ OldValue { System::Object ^ get(); };
public object OldValue { get; }
member this.OldValue : obj
Public ReadOnly Property OldValue As Object
Property Value
Examples
In the following example, the OldValue property of the DataDOMEventObject object is used to display the original value of an XML DOM node, along with its NewValue:
thisXDocument.UI.Alert("Original value: " + e.<span class="label">OldValue</span>.ToString() + "\nNew value: " + e.NewValue.ToString());
Remarks
The OldValue property contains the original value of the XML DOM node that will be replaced with a new value or deleted. To get the new value of the XML DOM node, use the NewValue property.
Applies to
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