ListView::UpdateItem Method
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 nullptr. |
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.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
Note