# DataRepeater URL: https://docs.wisej.com/api/wisej.web/containers/datarepeater Version: 4.1 Namespace: **Wisej.Web** Assembly: **Wisej.Framework** (4.1.0.0) - Control - ScrollableControl - ContainerControl - DataRepeater Displays data in a customizable list format. - C# - VB.NET ```csharp public class DataRepeater : ContainerControl, ISupportInitialize ``` ```visual Public Class DataRepeater Inherits ContainerControl Implements ISupportInitialize ``` ## Constructors ### ![Instance member](/img/api/instance.png) DataRepeater() Initializes a new instance of theDataRepeater class. ## Properties ### ![Instance member](/img/api/instance.png) AllowUserToAddItems [Boolean](https://docs.microsoft.com/dotnet/api/system.boolean) : Returns or sets whether users can add a new row to theDataRepeater at run time. (Default: `True` ) ### ![Instance member](/img/api/instance.png) AllowUserToDeleteItems [Boolean](https://docs.microsoft.com/dotnet/api/system.boolean) : Returns or sets whether users can delete a row from theDataRepeater at run time. (Default: `True` ) ### ![Instance member](/img/api/instance.png) AutoSize [Boolean](https://docs.microsoft.com/dotnet/api/system.boolean) : Returns or sets a value that indicates whether the control resizes based on its contents. (Default: `False` ) ### ![Instance member](/img/api/instance.png) AutoSizeMode [AutoSizeMode](/api/wisej.web/enumerations/wisej.web.autosizemode) : Indicates the automatic sizing behavior of the control. (Default: `GrowOnly` ) ### ![Instance member](/img/api/instance.png) BorderStyle [BorderStyle](/api/wisej.web/enumerations/wisej.web.borderstyle) : Returns or sets the border style for theDataRepeater control. (Default: `Solid` ) ### ![Instance member](/img/api/instance.png) ClientArea [Rectangle](https://docs.microsoft.com/dotnet/api/system.drawing.rectangle) : Returns the client rectangle to use in the designer. ### ![Instance member](/img/api/instance.png) CurrentItem [DataRepeaterItem](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem) : Returns the current [DataRepeaterItem](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem) in theDataRepeater control. (Default: `null` ) ### ![Instance member](/img/api/instance.png) CurrentItemIndex [Int32](https://docs.microsoft.com/dotnet/api/system.int32) : Returns or sets the index of the current [DataRepeaterItem](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem) in aDataRepeater control. (Default: `-1` ) ### ![Instance member](/img/api/instance.png) DataMember [String](https://docs.microsoft.com/dotnet/api/system.string) : Return or sets the name of the list or table in the data source for which theDataRepeater is displaying data. (Default: `""` ) ### ![Instance member](/img/api/instance.png) DataSource [Object](https://docs.microsoft.com/dotnet/api/system.object) : Returns or sets the data source for which theDataRepeater is displaying data. (Default: `null` ) ### ![Instance member](/img/api/instance.png) DisplayedItems [DataRepeaterItem[]](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem) : Returns the list of [DataRepeaterItem](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem) items currently displayed on the client. ### ![Instance member](/img/api/instance.png) DisplayRectangle [Rectangle](https://docs.microsoft.com/dotnet/api/system.drawing.rectangle) : ### ![Instance member](/img/api/instance.png) FirstDisplayedItemIndex [Int32](https://docs.microsoft.com/dotnet/api/system.int32) : Return the index of the first currently displayed [DataRepeaterItem](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem) in aDataRepeater control. (Default: `0` ) ### ![Instance member](/img/api/instance.png) IsCurrentItemModified [Boolean](https://docs.microsoft.com/dotnet/api/system.boolean) : Return whether the data for a [DataRepeaterItem](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem) in theDataRepeater control has been changed by a user. (Default: `False` ) ### ![Instance member](/img/api/instance.png) ItemBorderStyle [BorderStyle](/api/wisej.web/enumerations/wisej.web.borderstyle) : Returns or sets the border style for the items in aDataRepeater control. Default value is BorderStyle.Solid ### ![Instance member](/img/api/instance.png) ItemCount [Int32](https://docs.microsoft.com/dotnet/api/system.int32) : Returns or sets the number of [DataRepeaterItem](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem) items that are in theDataRepeater control. (Default: `0` ) ### ![Instance member](/img/api/instance.png) ItemHeaderSize [Int32](https://docs.microsoft.com/dotnet/api/system.int32) : Return sets the size of the item header in aDataRepeater control. ### ![Instance member](/img/api/instance.png) ItemHeaderVisible [Boolean](https://docs.microsoft.com/dotnet/api/system.boolean) : Returns or sets whether item headers are displayed in aDataRepeater control. The default value is true. ### ![Instance member](/img/api/instance.png) ItemSelectedBackColor [Color](https://docs.microsoft.com/dotnet/api/system.drawing.color) : Returns or sets the background color for the [DataRepeaterItem](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem) panel when it's the [CurrentItem](/api/wisej.web/containers/datarepeater/#currentitem) . ### ![Instance member](/img/api/instance.png) ItemSelectedForeColor [Color](https://docs.microsoft.com/dotnet/api/system.drawing.color) : Returns or sets the text color for the [DataRepeaterItem](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem) panel when it's the [CurrentItem](/api/wisej.web/containers/datarepeater/#currentitem) . ### ![Instance member](/img/api/instance.png) ItemSize [Size](https://docs.microsoft.com/dotnet/api/system.drawing.size) : Returns or sets the size of the [DataRepeaterItem](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem) child panels. ### ![Instance member](/img/api/instance.png) ItemTemplate [DataRepeaterItem](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem) : Returns the template that represents the [DataRepeaterItem](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem) for theDataRepeater control. The default value is a Wisej.Web.DataRepeaterItem with BorderStyle: None ### ![Instance member](/img/api/instance.png) LayoutStyle [DataRepeaterLayoutStyles](/api/wisej.web/containers/datarepeater/wisej.web.datarepeaterlayoutstyles) : Return or sets whether theDataRepeater control will be displayed with a vertical or horizontal orientation. (Default: `Vertical` ) ### ![Instance member](/img/api/instance.png) PrefetchItems [Int32](https://docs.microsoft.com/dotnet/api/system.int32) : Returns or sets the number of items to prefetch outside of the visible area. The default is 0 (disabled). (Default: `0` ) ### ![Instance member](/img/api/instance.png) RightToLeftLayout [Boolean](https://docs.microsoft.com/dotnet/api/system.boolean) : Enables or disables right-to-left layout when the value of [RightToLeft](/api/wisej.web/general/control/#righttoleft) is [Yes](/api/wisej.web/enumerations/wisej.web.righttoleft#fields) (Default: `False` ) ### ![Instance member](/img/api/instance.png) ScrollBarVisible [Boolean](https://docs.microsoft.com/dotnet/api/system.boolean) : Returns or sets whether the scrollbar is visible. When the scrollbar is hidden, the user can still scroll using touch events, the keyboard, or the wheel. (Default: `True` ) ### ![Instance member](/img/api/instance.png) VirtualMode [Boolean](https://docs.microsoft.com/dotnet/api/system.boolean) : Returns or sets a value that indicates whether you have provided your own data-management operations for theDataRepeater control. (Default: `False` ) ## Methods ### ![Instance member](/img/api/instance.png) AddNew() Adds a new [DataRepeaterItem](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem) to theDataRepeater control. ### ![Instance member](/img/api/instance.png) CancelEdit() Allows users to cancel an edit to the current child control in the current [DataRepeaterItem](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem) . ### ![Instance member](/img/api/instance.png) FocusActiveControl() Selects the active control. If the active control is not focusable, it selects the next focusable control. ### ![Protected member](/img/api/protected.png) GetThemeStateName() **Returns:**[String](https://docs.microsoft.com/dotnet/api/system.string) . ### ![Protected member](/img/api/protected.png) OnAllowUserToAddItemsChanged(e) Fires the [AllowUserToAddItemsChanged](/api/wisej.web/containers/datarepeater/#allowusertoadditemschanged) event. | Parameter | Type | Description | **e** | [EventArgs](https://docs.microsoft.com/dotnet/api/system.eventargs) | A [EventArgs](https://docs.microsoft.com/dotnet/api/system.eventargs) that contains the event data. ### ![Protected member](/img/api/protected.png) OnAllowUserToDeleteItemsChanged(e) Fires the [AllowUserToDeleteItemsChanged](/api/wisej.web/containers/datarepeater/#allowusertodeleteitemschanged) event. | Parameter | Type | Description | **e** | [EventArgs](https://docs.microsoft.com/dotnet/api/system.eventargs) | A [EventArgs](https://docs.microsoft.com/dotnet/api/system.eventargs) that contains the event data. ### ![Protected member](/img/api/protected.png) OnBindingContextChanged(e) Fires the [BindingContextChanged](/api/wisej.web/general/control/#bindingcontextchanged) event. | Parameter | Type | Description | **e** | [EventArgs](https://docs.microsoft.com/dotnet/api/system.eventargs) | A [EventArgs](https://docs.microsoft.com/dotnet/api/system.eventargs) that contains the event data. ### ![Protected member](/img/api/protected.png) OnCreateControl() ### ![Protected member](/img/api/protected.png) OnCurrentItemIndexChanged(e) Fires the [CurrentItemIndexChanged](/api/wisej.web/containers/datarepeater/#currentitemindexchanged) event. | Parameter | Type | Description | **e** | [EventArgs](https://docs.microsoft.com/dotnet/api/system.eventargs) | An [EventArgs](https://docs.microsoft.com/dotnet/api/system.eventargs) object that contains the event data. ### ![Protected member](/img/api/protected.png) OnDataError(e) Fires the [DataError](/api/wisej.web/containers/datarepeater/#dataerror) event. | Parameter | Type | Description | **e** | [DataRepeaterDataErrorEventArgs](/api/wisej.web/containers/datarepeater/wisej.web.datarepeaterdataerroreventargs) | An instance of [DataRepeaterDataErrorEventArgs](/api/wisej.web/containers/datarepeater/wisej.web.datarepeaterdataerroreventargs) that contains the event data. ### ![Protected member](/img/api/protected.png) OnDataMemberChanged(e) Fires the [DataMemberChanged](/api/wisej.web/containers/datarepeater/#datamemberchanged) event. | Parameter | Type | Description | **e** | [EventArgs](https://docs.microsoft.com/dotnet/api/system.eventargs) | A [EventArgs](https://docs.microsoft.com/dotnet/api/system.eventargs) that contains the event data. ### ![Protected member](/img/api/protected.png) OnDataSourceChanged(e) Fires the [DataSourceChanged](/api/wisej.web/containers/datarepeater/#datasourcechanged) event. | Parameter | Type | Description | **e** | [EventArgs](https://docs.microsoft.com/dotnet/api/system.eventargs) | A [EventArgs](https://docs.microsoft.com/dotnet/api/system.eventargs) that contains the event data. ### ![Protected member](/img/api/protected.png) OnItemCloned(e) Fires the [ItemCloned](/api/wisej.web/containers/datarepeater/#itemcloned) event. | Parameter | Type | Description | **e** | [DataRepeaterItemEventArgs](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritemeventargs) | An [DataRepeaterItemEventArgs](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritemeventargs) object that contains the event data. ### ![Protected member](/img/api/protected.png) OnItemCloning(e) Fires the [ItemCloning](/api/wisej.web/containers/datarepeater/#itemcloning) event. | Parameter | Type | Description | **e** | [DataRepeaterItemCloneEventArgs](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritemcloneeventargs) | An [DataRepeaterItemCloneEventArgs](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritemcloneeventargs) object that contains the event data. ### ![Protected member](/img/api/protected.png) OnItemsAdded(e) Fires the [ItemsAdded](/api/wisej.web/containers/datarepeater/#itemsadded) event. | Parameter | Type | Description | **e** | [DataRepeaterAddRemoveItemsEventArgs](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateraddremoveitemseventargs) | An [DataRepeaterAddRemoveItemsEventArgs](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateraddremoveitemseventargs) object that contains the event data. ### ![Protected member](/img/api/protected.png) OnItemSelected(e) Fires the [ItemSelected](/api/wisej.web/containers/datarepeater/#itemselected) event. | Parameter | Type | Description | **e** | [DataRepeaterItemEventArgs](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritemeventargs) | An [DataRepeaterItemEventArgs](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritemeventargs) object that contains the event data. ### ![Protected member](/img/api/protected.png) OnItemsRemoved(e) Fires the [ItemsRemoved](/api/wisej.web/containers/datarepeater/#itemsremoved) event. | Parameter | Type | Description | **e** | [DataRepeaterAddRemoveItemsEventArgs](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateraddremoveitemseventargs) | An [DataRepeaterAddRemoveItemsEventArgs](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateraddremoveitemseventargs) object that contains the event data. ### ![Protected member](/img/api/protected.png) OnItemUpdate(e) Fires the [ItemUpdate](/api/wisej.web/containers/datarepeater/#itemupdate) event. | Parameter | Type | Description | **e** | [DataRepeaterItemEventArgs](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritemeventargs) | An [DataRepeaterItemEventArgs](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritemeventargs) object that contains the event data. ### ![Protected member](/img/api/protected.png) OnItemValueNeeded(e) Fires the [ItemValueNeeded](/api/wisej.web/containers/datarepeater/#itemvalueneeded) event. | Parameter | Type | Description | **e** | [DataRepeaterItemValueEventArgs](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritemvalueeventargs) | An [DataRepeaterItemValueEventArgs](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritemvalueeventargs) object that contains the event data. ### ![Protected member](/img/api/protected.png) OnItemValuePushed(e) Fires the [ItemValueNeeded](/api/wisej.web/containers/datarepeater/#itemvalueneeded) event. | Parameter | Type | Description | **e** | [DataRepeaterItemValueEventArgs](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritemvalueeventargs) | An [DataRepeaterItemValueEventArgs](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritemvalueeventargs) object that contains the event data. ### ![Protected member](/img/api/protected.png) OnLayoutStyleChanged(e) Fires the [LayoutStyleChanged](/api/wisej.web/containers/datarepeater/#layoutstylechanged) event. | Parameter | Type | Description | **e** | [EventArgs](https://docs.microsoft.com/dotnet/api/system.eventargs) | A [EventArgs](https://docs.microsoft.com/dotnet/api/system.eventargs) that contains the event data. ### ![Protected member](/img/api/protected.png) OnNewItemNeeded(e) Fires the [NewItemNeeded](/api/wisej.web/containers/datarepeater/#newitemneeded) event. | Parameter | Type | Description | **e** | [EventArgs](https://docs.microsoft.com/dotnet/api/system.eventargs) | An [EventArgs](https://docs.microsoft.com/dotnet/api/system.eventargs) object that contains the event data. ### ![Protected member](/img/api/protected.png) OnUserAddedItems(e) Fires the [UserAddedItems](/api/wisej.web/containers/datarepeater/#useraddeditems) event. | Parameter | Type | Description | **e** | [DataRepeaterAddRemoveItemsEventArgs](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateraddremoveitemseventargs) | An [DataRepeaterAddRemoveItemsEventArgs](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateraddremoveitemseventargs) object that contains the event data. ### ![Protected member](/img/api/protected.png) OnUserDeletedItems(e) Fires the [UserDeletedItems](/api/wisej.web/containers/datarepeater/#userdeleteditems) event. | Parameter | Type | Description | **e** | [DataRepeaterAddRemoveItemsEventArgs](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateraddremoveitemseventargs) | An [DataRepeaterAddRemoveItemsEventArgs](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateraddremoveitemseventargs) object that contains the event data. ### ![Protected member](/img/api/protected.png) OnUserDeletingItems(e) Fires the [UserDeletingItems](/api/wisej.web/containers/datarepeater/#userdeletingitems) event. | Parameter | Type | Description | **e** | [DataRepeaterAddRemoveItemsCancelEventArgs](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateraddremoveitemscanceleventargs) | An [DataRepeaterAddRemoveItemsCancelEventArgs](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateraddremoveitemscanceleventargs) object that contains the event data. ### ![Protected member](/img/api/protected.png) OnValidating(e) Fires the [Validating](/api/wisej.web/general/control/#validating) event. | Parameter | Type | Description | **e** | [CancelEventArgs](https://docs.microsoft.com/dotnet/api/system.componentmodel.canceleventargs) | A [CancelEventArgs](https://docs.microsoft.com/dotnet/api/system.componentmodel.canceleventargs) that contains the event data. ### ![Protected member](/img/api/protected.png) OnVirtualModeChanged(e) Fires the [VirtualModeChanged](/api/wisej.web/containers/datarepeater/#virtualmodechanged) event. | Parameter | Type | Description | **e** | [EventArgs](https://docs.microsoft.com/dotnet/api/system.eventargs) | A [EventArgs](https://docs.microsoft.com/dotnet/api/system.eventargs) that contains the event data. ### ![Protected member](/img/api/protected.png) OnWebEvent(e) Processes the event from the client. | Parameter | Type | Description | **e** | WisejEventArgs | Event arguments. ### ![Protected member](/img/api/protected.png) OnWebRender(config) Renders the client component. | Parameter | Type | Description | **config** | [Object](https://docs.microsoft.com/dotnet/api/system.object) | Dynamic configuration object. ### ![Protected member](/img/api/protected.png) OnWebUpdate(state) Updates the client component using the state information. | Parameter | Type | Description | **state** | [Object](https://docs.microsoft.com/dotnet/api/system.object) | Dynamic state object. ### ![Instance member](/img/api/instance.png) Refresh() Forces a full reload of the data displayed by thisDataRepeater . ### ![Instance member](/img/api/instance.png) Refresh(refreshChildren) Forces a full reload of the data displayed by thisDataRepeater . | Parameter | Type | Description | **refreshChildren** | [Boolean](https://docs.microsoft.com/dotnet/api/system.boolean) | True to also refresh all the children of this control. ### ![Instance member](/img/api/instance.png) RemoveAt(index) Removes a [DataRepeaterItem](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem) at the specified position from aDataRepeater control. | Parameter | Type | Description | **index** | [Int32](https://docs.microsoft.com/dotnet/api/system.int32) | The index of the [DataRepeaterItem](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem) . **Throws:** - [ArgumentOutOfRangeException](https://docs.microsoft.com/dotnet/api/system.argumentoutofrangeexception) The value specified for *index* is less than 0 or greater than [ItemCount](/api/wisej.web/containers/datarepeater/#itemcount) - 1. ### ![Protected member](/img/api/protected.png) RenderScrollableProperties(config) | Parameter | Type | Description | **config** | [Object](https://docs.microsoft.com/dotnet/api/system.object) | ### ![Instance member](/img/api/instance.png) ResetItemBorderStyle() Resets the value of [ItemBorderStyle](/api/wisej.web/containers/datarepeater/#itemborderstyle) to the original value. ### ![Instance member](/img/api/instance.png) ResetItemHeaderSize() Resets the value of [ItemHeaderSize](/api/wisej.web/containers/datarepeater/#itemheadersize) to the original value. ### ![Instance member](/img/api/instance.png) ResetItemHeaderVisible() Resets the value of [ItemHeaderVisible](/api/wisej.web/containers/datarepeater/#itemheadervisible) to the original value. ### ![Instance member](/img/api/instance.png) ScrollItemIntoView(index) Scrolls the specified [DataRepeaterItem](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem) into view. | Parameter | Type | Description | **index** | [Int32](https://docs.microsoft.com/dotnet/api/system.int32) | The index of the [DataRepeaterItem](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem) . **Throws:** - [ArgumentOutOfRangeException](https://docs.microsoft.com/dotnet/api/system.argumentoutofrangeexception) The value specified for *index* is less than 0 or greater than [ItemCount](/api/wisej.web/containers/datarepeater/#itemcount) - 1. ### ![Instance member](/img/api/instance.png) ScrollItemIntoView(index, alignWithTop) Scrolls a specified [DataRepeaterItem](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem) into view, optionally aligning it with the top of the control. | Parameter | Type | Description | **index** | [Int32](https://docs.microsoft.com/dotnet/api/system.int32) | The index of the [DataRepeaterItem](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem) . | **alignWithTop** | [Boolean](https://docs.microsoft.com/dotnet/api/system.boolean) | true to align the top of the [DataRepeaterItem](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem) with the top of the control; otherwise, false. **Throws:** - [ArgumentOutOfRangeException](https://docs.microsoft.com/dotnet/api/system.argumentoutofrangeexception) The value specified for *index* is less than 0 or greater than [ItemCount](/api/wisej.web/containers/datarepeater/#itemcount) - 1. ### ![Protected member](/img/api/protected.png) SetBoundsCore(x, y, width, height, specified) | Parameter | Type | Description | **x** | [Int32](https://docs.microsoft.com/dotnet/api/system.int32) | | **y** | [Int32](https://docs.microsoft.com/dotnet/api/system.int32) | | **width** | [Int32](https://docs.microsoft.com/dotnet/api/system.int32) | | **height** | [Int32](https://docs.microsoft.com/dotnet/api/system.int32) | | **specified** | [BoundsSpecified](/api/wisej.web/enumerations/wisej.web.boundsspecified) | ## Events ### ![Instance member](/img/api/instance.png) AllowUserToAddItemsChanged [EventHandler](https://docs.microsoft.com/dotnet/api/system.eventhandler) Fired when the [AllowUserToAddItems](/api/wisej.web/containers/datarepeater/#allowusertoadditems) property changes. ### ![Instance member](/img/api/instance.png) AllowUserToDeleteItemsChanged [EventHandler](https://docs.microsoft.com/dotnet/api/system.eventhandler) Fired when the [AllowUserToDeleteItems](/api/wisej.web/containers/datarepeater/#allowusertodeleteitems) property changes. ### ![Instance member](/img/api/instance.png) CurrentItemIndexChanged [EventHandler](https://docs.microsoft.com/dotnet/api/system.eventhandler) Fired when the property [CurrentItemIndex](/api/wisej.web/containers/datarepeater/#currentitemindex) changes. ### ![Instance member](/img/api/instance.png) DataError [DataRepeaterDataErrorEventHandler](/api/wisej.web/containers/datarepeater/wisej.web.datarepeaterdataerroreventhandler) Fired when an external data-parsing or validation operation throws an exception, or when an attempt to commit data to a data source fails. ### ![Instance member](/img/api/instance.png) DataMemberChanged [EventHandler](https://docs.microsoft.com/dotnet/api/system.eventhandler) Fired when the [DataMember](/api/wisej.web/containers/datarepeater/#datamember) property changes. ### ![Instance member](/img/api/instance.png) DataSourceChanged [EventHandler](https://docs.microsoft.com/dotnet/api/system.eventhandler) Fired when the [DataSource](/api/wisej.web/containers/datarepeater/#datasource) property changes. ### ![Instance member](/img/api/instance.png) ItemCloned [DataRepeaterItemEventHandler](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritemeventhandler) Fired after the [DataRepeaterItem](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem) and its controls are cloned from the [ItemTemplate](/api/wisej.web/containers/datarepeater/#itemtemplate) . ### ![Instance member](/img/api/instance.png) ItemCloning [DataRepeaterItemCloneEventHandler](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritemcloneeventhandler) Fired before the [DataRepeaterItem](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem) and its controls are cloned from the [ItemTemplate](/api/wisej.web/containers/datarepeater/#itemtemplate) . ### ![Instance member](/img/api/instance.png) ItemsAdded [DataRepeaterAddRemoveItemsEventHandler](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateraddremoveitemseventhandler) Fired when a new [DataRepeaterItem](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem) is added to theDataRepeater control. ### ![Instance member](/img/api/instance.png) ItemSelected [DataRepeaterItemEventHandler](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritemeventhandler) Fired after the [DataRepeaterItem](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem) becomes the current item. ### ![Instance member](/img/api/instance.png) ItemsRemoved [DataRepeaterAddRemoveItemsEventHandler](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateraddremoveitemseventhandler) Fired when a [DataRepeaterItem](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem) is deleted from theDataRepeater control. ### ![Instance member](/img/api/instance.png) ItemUpdate [DataRepeaterItemEventHandler](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritemeventhandler) Fired when an instance of [DataRepeaterItem](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem) is updated. ### ![Instance member](/img/api/instance.png) ItemValueNeeded [DataRepeaterItemValueEventHandler](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritemvalueeventhandler) Fired when the [VirtualMode](/api/wisej.web/containers/datarepeater/#virtualmode) property is set to true and a new value for a child control of a [DataRepeaterItem](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem) is needed. ### ![Instance member](/img/api/instance.png) ItemValuePushed [DataRepeaterItemValueEventHandler](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritemvalueeventhandler) Fired when the [VirtualMode](/api/wisej.web/containers/datarepeater/#virtualmode) property is set to true and the value of a child control in the [DataRepeaterItem](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem) changes. ### ![Instance member](/img/api/instance.png) LayoutStyleChanged [EventHandler](https://docs.microsoft.com/dotnet/api/system.eventhandler) Fired when the [LayoutStyle](/api/wisej.web/containers/datarepeater/#layoutstyle) property changes. ### ![Instance member](/img/api/instance.png) NewItemNeeded [EventHandler](https://docs.microsoft.com/dotnet/api/system.eventhandler) Fired when the [VirtualMode](/api/wisej.web/containers/datarepeater/#virtualmode) property is set to true and the user creates a new [DataRepeaterItem](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem) . ### ![Instance member](/img/api/instance.png) UserAddedItems [DataRepeaterAddRemoveItemsEventHandler](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateraddremoveitemseventhandler) Fired when the user adds a new [DataRepeaterItem](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem) . ### ![Instance member](/img/api/instance.png) UserDeletedItems [DataRepeaterAddRemoveItemsEventHandler](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateraddremoveitemseventhandler) Fired after the user deletes a [DataRepeaterItem](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem) . ### ![Instance member](/img/api/instance.png) UserDeletingItems [DataRepeaterAddRemoveItemsCancelEventHandler](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateraddremoveitemscanceleventhandler) Fired when the user deletes a [DataRepeaterItem](/api/wisej.web/containers/datarepeater/wisej.web.datarepeateritem) . ### ![Instance member](/img/api/instance.png) VirtualModeChanged [EventHandler](https://docs.microsoft.com/dotnet/api/system.eventhandler) Fired when the [VirtualMode](/api/wisej.web/containers/datarepeater/#virtualmode) property changes. ## Implements | Name | Description | [IUserData](/api/wisej.web/interfaces/wisej.web.iuserdata) | Provides access to the `UserData` and `Tag` properties associated to the component implementing this interface. | [IBindableComponent](/api/wisej.web/data-binding/wisej.web.ibindablecomponent) | Bindable components implement this interface. | [IContainerControl](/api/wisej.web/interfaces/wisej.web.icontainercontrol) | Provides the functionality for a control to act as a parent for other controls. | [IDropTarget](/api/wisej.web/interfaces/wisej.web.idroptarget) | Controls that support drag & drop operations implement this interface. | [IWisejComponent](/api/wisej.core/interfaces/wisej.core.iwisejcomponent) | All wisej components implement this interface. | [IWisejControl](/api/wisej.core/interfaces/wisej.core.iwisejcontrol) | All wisej controls derived from theControl class must implement this interface. | [IWisejSerializable](/api/wisej.core/interfaces/wisej.core.iwisejserializable) | Allows an object to serialize itself.