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Use the FormViewDeletedEventArgs.Values property to access the values of the non-key fields for a deleted record. For example, you can use these values to keep a log of deleted records.
The FormViewDeletedEventArgs.Values property is populated only when two-way binding expressions are used in the item template. For more information on two-way binding expressions, see ASP.NET Data Binding.
The FormViewDeletedEventArgs.Values property returns an System.Collections.Specialized.OrderedDictionary object that implements the System.Collections.Specialized.IOrderedDictionary interface. The System.Collections.Specialized.OrderedDictionary object contains DictionaryEntry objects that represent the non-key fields of the deleted record. To access the field names, use the System.Collections.Specialized.OrderedDictionary.Keys property of the System.Collections.Specialized.OrderedDictionary object. Similarly, you can access the field values by using the System.Collections.Specialized.OrderedDictionary.Values property.
As a shortcut, you can also use the indexer of the System.Collections.Specialized.OrderedDictionary object to access the field values. The advantage in using the indexer is that it returns field values directly. Data source controls that rely on the field order (such as System.Web.UI.WebControls.AccessDataSource) can access field values only by index.
This property does not contain the key fields (as specified by the FormView.DataKeyNames property) for the deleted record. To access the key fields, use the FormViewDeletedEventArgs.Keys property.