ASPxTreeList Events
Represents a server ASPxTreeList control.
Name | Description |
---|---|
Auto |
Enables you to assign editors to individual filter row cells. |
Auto |
Enables the cell editors displayed within the auto filter row cells to be initialized. |
Batch |
Occurs after an end-user clicks the Update button in batch edit mode and allows you to provide a custom data updating mechanism. |
Before |
Occurs before the tree list content is exported. |
Before |
Occurs after a callback sent by the current control has been processed on the server, but prior to the time the respective callback result render is formed. |
Before |
Allows you to populate the header filter dropdown with custom items instead of default items. |
Callback |
Allows you to handle any server exception that might occur during server-side processing of a callback sent by a DevExpress web control.
Inherited from ASPx |
Cancel |
Enables you to prevent changes made within a node from being discarded. |
Cell |
Enables initializing the cell editors displayed within the edit cells. |
Client |
Enables you to save and restore the previously saved layout of the ASPx |
Command |
Enables individual command buttons to be initialized. |
Custom |
Occurs when a user clicks a custom command button. |
Custom |
Fires when a round trip to the server has been initiated by a call to the client ASPx |
Custom |
Enables custom display text to be provided for any cell. |
Custom |
Fires when a round trip to the server has been initiated by a call to the client ASPx |
Custom |
Enables you to provide custom error descriptions for exceptions raised during a callback. |
Custom |
Enables you to display custom text in the filter bar, corresponding to the current filter expression. |
Custom |
Enables you to specify whether the required node should be filtered even if this node doesn’t match the specified filter criteria. |
Custom |
Enables you to supply any server data that can then be parsed on the client. |
Custom |
Enables you to sort data using custom rules. |
Custom |
Enables you to calculate summary values manually. |
Custom |
Enables data to be supplied to unbound columns. |
Data |
Occurs when the server control binds to a data source. Inherited from Control. |
Data |
Occurs after the server control binds to the data source.
Inherited from ASPx |
Disposed |
Occurs when a server control is released from memory, which is the last stage of the server control lifecycle when an ASP. |
Editing |
Occurs after data editing has been completed. |
Export |
Enables rendering of different content from the content exported by default. |
Filter |
Occurs after all filter control columns have been created. |
Filter |
Enables you to replace the default criteria value editor with a custom one. |
Filter |
Enables you to initialize the editors displayed within the criteria value. |
Filter |
Enables you to specify the entered filter value’s custom display text to be displayed when the filter control’s condition value editor is inactive. |
Filter |
Enables you to dynamically hide operation items (such as the Equals, Contains, etc.) of the filter control’s operation dropdown menu. |
Filter |
Enables you to process and modify an entered value before it is actually accepted by the filter control. |
Focused |
Fires after the focused node has been changed. |
Header |
Occurs when a header filter editor is initialized. |
Header |
Allows you to add custom header filter items to default items. |
Html |
Enables the settings of individual command cells to be changed. |
Html |
Enables the settings of individual cells to be changed. |
Html |
Enables the settings of individual rows to be changed. |
Init | Occurs when the server control is initialized, which is the first step in its lifecycle. Inherited from Control. |
Init |
Enables you to initialize added nodes. |
Load | Occurs when the server control is loaded into the Page object. Inherited from Control. |
Node |
Fires after a node has been collapsed. |
Node |
Fires before a node is collapsed. |
Node |
Occurs after a node has been deleted. |
Node |
Enables you to prevent a node from being deleted. |
Node |
Fires after a node has been expanded. |
Node |
Fires before a node is expanded. |
Node |
Occurs after a new node has been added to the ASPx |
Node |
Enables you to cancel adding a new node. |
Node |
Occurs after a node has been updated. |
Node |
Enables you to prevent a node from being updated. |
Node |
Enables you to specify whether node data is valid, and whether the node can be updated. |
Page |
Fires after the selected page has been changed. |
Page |
Fires on the server side after a page size (amount of rows per a page) is changed by end-user interactions. |
Parse |
Enables you to process and modify an entered value before it is actually accepted by the ASPx |
Pre |
Occurs after the Control object is loaded but prior to rendering. Inherited from Control. |
Process |
Enables you to apply custom filter criteria when filter row is in the Auto mode. |
Process |
Fires after a node drag and drop operation has been completed. |
Process |
Enables you to apply custom filter criteria when the filter row is in the On |
Search |
Enables you to replace the default search panel editor with custom one. |
Search |
Enables you to customize the properties of an editor displayed within the search panel. |
Selection |
Fires after an end user changed selection. |
Start |
Enables you to prevent a node from being edited. |
Toolbar |
Fires after a toolbar item has been clicked. |
Unload | Occurs when the server control is unloaded from memory. Inherited from Control. |
Virtual |
Enables creation of a list of business objects that correspond to the child nodes owned by the processed node (virtual mode). |
Virtual |
Occurs when the ASPx |
Virtual |
Enables you to initialize nodes in a tree virtual mode. |
See Also