BindingManagerBase

Wisej.Web.BindingManagerBase

Namespace: Wisej.Web

Assembly: Wisej.Framework (3.5.0.0)

Manages all Binding objects that are bound to the same data source and data member.

C#

public class BindingManagerBase

VB.NET

Public Class BindingManagerBase

Properties

Bindings

BindingsCollection: Returns the collection of bindings being managed.

Count

Int32: Returns the number of items in the list.

Current

Object: Returns the current item in the list.

IsBindingSuspended

Boolean: Returns whether binding is suspended.

Position

Int32: Returns or sets the position of the data binding source within the list.

Methods

AddNew()

Adds a new item to the underlying list.

Throws:

• NotSupportedException The underlying data source does not implement IBindingList, 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.

CancelCurrentEdit()

Cancels the current edit operation.

EndCurrentEdit()

Ends the current edit operation.

GetItemProperties()

Returns the property descriptor collection for the underlying list.

Returns: PropertyDescriptorCollection. A PropertyDescriptorCollection for the list.

RemoveAt(index)

Removes the item at the specified index.

Parameter	Type	Description
index	Int32	The index of the item to remove from the list.

Throws:

• IndexOutOfRangeException There is no row at the specified index .

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.

UpdateBindings()

Reads the current values from the data source and sends them to the control.

Events

BindingComplete

BindingCompleteEventHandler Fired at the completion of a data-binding operation.

CurrentChanged

EventHandler Fired when the currently bound item changes.

CurrentItemChanged

EventHandler Fired when the state of the currently bound item changes.

DataError

BindingManagerDataErrorEventHandler Fired when an Exception is silently handled by the BindingManagerBase.

PositionChanged

EventHandler Fired after the value of the Position property has changed.

Inherited By

Name	Description
CurrencyManager	Keeps data-bound controls synchronized with each other: showing data from the same record.
PropertyManager	Maintains a Binding between an object's property and a data-bound control property.