Provides data for the ItemInserting event.
Assembly: System.Web.Extensions (in System.Web.Extensions.dll)
Initializes a new instance of theclass.
Determines whether the specified object is equal to the current object.(Inherited from Object.)
Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection.(Inherited from Object.)
Serves as the default hash function. (Inherited from Object.)
Returns a string that represents the current object.(Inherited from Object.)
The ListView control raises the ItemInserting event when an Insert button in the control is clicked, but before the ListView control inserts the record. (An Insert button is a button whose CommandName property is set to "Insert".) This enables you to provide an event-handling method that performs a custom routine whenever this event occurs. For example, you can validate or HTML-encode the values of a record before it is inserted it in the data source.
A ListView control. You can access the ListViewItem object that is being inserted by using the Item property. You can also read or modify the field values for the new record by using the Values property. To cancel the insert operation, set the Cancel property to true.object is passed to the event-handling method. This object enables you to determine the value of an optional command argument that is sent to the
For a list of initial property values for an instance of the ListViewInsertEventArgs constructor.class, see the
The following example shows how to use theobject to cancel an insert operation if the data item contains an empty value.
This example contains a text box that accepts user input, which is a potential security threat. By default, ASP.NET Web pages validate that user input does not include script or HTML elements. For more information, see Script Exploits Overview.
Available since 3.5
Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.