CurrencyManager

Namespace: Wisej.Web

Assembly: Wisej.Framework (4.1.0.0)

• BindingManagerBase
  • CurrencyManager

Keeps data-bound controls synchronized with each other: showing data from the same record.

C#

public class CurrencyManager : BindingManagerBase

VB.NET

Public Class CurrencyManager
    Inherits BindingManagerBase

Properties

Count

Int32: Returns the number of items in the list.

Current

Object: Returns the current item in the list.

List

IList: Returns the list for this CurrencyManager.

Position

Int32: Returns or sets the current position within the list.

ShouldBind

Boolean: Returns true when the bound data source can accept changes. Calling SuspendBinding sets this flag to false and ResumeBinding sets it to true (default).

Methods

AddNew()

Adds a new item to the underlying list.

Throws:

• NotSupportedException The underlying data source does not implement IBindingList, or the collection element doesn't implement a public parameterless constructor, or the data source has thrown an exception because the user has attempted to add a row to a read-only or fixed-size DataView.

Refresh()

Forces a refresh of the data-bound list.

ResetCurrentItem()

Causes a control bound to this data source to re-read the current item and refresh the displayed value.

ResetItem(itemIndex)

Causes a control bound to this data source to re-read the item at the specified itemIndex and refresh the displayed value.

Parameter	Type	Description
itemIndex	Int32	The index of the item that has changed.

ResumeBinding()

Resumes data binding.

SuspendBinding()

Suspends data binding to prevents changes from updating the bound data source.

Events

ItemChanged

ItemChangedEventHandler Fired when the current item has been altered.

ListChanged

ListChangedEventHandler Fired when the list changes or an item in the list changes.

MetaDataChanged

EventHandler Fired when the metadata of the List has changed.