DataSourceView.Delete Method
Definition
Important
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Performs an asynchronous delete operation on the list of data that the DataSourceView object represents.
public:
virtual void Delete(System::Collections::IDictionary ^ keys, System::Collections::IDictionary ^ oldValues, System::Web::UI::DataSourceViewOperationCallback ^ callback);public virtual void Delete (System.Collections.IDictionary keys, System.Collections.IDictionary oldValues, System.Web.UI.DataSourceViewOperationCallback callback);abstract member Delete : System.Collections.IDictionary * System.Collections.IDictionary * System.Web.UI.DataSourceViewOperationCallback -> unit
override this.Delete : System.Collections.IDictionary * System.Collections.IDictionary * System.Web.UI.DataSourceViewOperationCallback -> unitPublic Overridable Sub Delete (keys As IDictionary, oldValues As IDictionary, callback As DataSourceViewOperationCallback)Parameters
- keys
- IDictionary
An IDictionary of object or row keys to be deleted by the ExecuteDelete(IDictionary, IDictionary) operation.
- oldValues
- IDictionary
An IDictionary of name/value pairs that represent data elements and their original values.
- callback
- DataSourceViewOperationCallback
A DataSourceViewOperationCallback delegate that is used to notify a data-bound control when the asynchronous operation is complete.
Exceptions
The DataSourceViewOperationCallback supplied is null.
Remarks
The Delete method is the asynchronous data deletion interface for all data source view objects. The Delete method calls the ExecuteDelete method using any keys and oldValues parameter values supplied. The callback parameter is a delegate that a data-bound control passes to the data source view, which is used to notify the data-bound control when the ExecuteDelete operation has completed. The method uses the parameters of the DataSourceViewOperationCallback delegate to return the number of affected records and any Exception exception that is thrown by the ExecuteDelete method.
