ListView::UpdateItem Method (Int32, Boolean)
Updates the record at the specified index in the data source.
Assembly: System.Web.Extensions (in System.Web.Extensions.dll)
Parameters
- itemIndex
-
Type:
System::Int32
The index of the item to update.
- causesValidation
-
Type:
System::Boolean
true to perform page validation when this method is called; otherwise, false.
| Exception | Condition |
|---|---|
| InvalidOperationException | itemIndex is less than 0. -or- The DataSourceView object that is associated with the ListView control is null. |
Use the UpdateItem method to programmatically update the record at the specified index in the data source. You typically use this method when you want to update a record from outside the ListView control, such as from a different control on the page.
Note |
|---|
This method can be called only for an item that contains a two-way data-bound input control. For more information about two-way binding expressions, see Binding to Databases. |
To specify whether page validation is performed before the update operation, use the causesValidation parameter.
This method raises the ItemUpdated and ItemUpdating events.
Available since 3.5
