# Overview

Server-Side Events

**Gantt** supports a number of server-side events that let you customize its behavior. These events are listed below:

* [NavigationCommand](https://www.telerik.com/products/aspnet-ajax/documentation/controls/gantt/server-side-programming/events/navigationcommand) - occurs when the RadGantt executes a view change command.

* [ColumnCreating](https://www.telerik.com/products/aspnet-ajax/documentation/controls/gantt/server-side-programming/events/columncreating) - occurs when an column is about to be created.

* [ColumnCreated](https://www.telerik.com/products/aspnet-ajax/documentation/controls/gantt/server-side-programming/events/columncreated) - occurs when an column is about to be created.

* [TaskInsert](https://www.telerik.com/products/aspnet-ajax/documentation/controls/gantt/server-side-programming/events/taskinsert) - occurs when a task's collection is about to be inserted in the database.

* [TaskUpdate](https://www.telerik.com/products/aspnet-ajax/documentation/controls/gantt/server-side-programming/events/taskupdate) - occurs when a task's collection is about to be updated through the provider.

* [TaskDelete](https://www.telerik.com/products/aspnet-ajax/documentation/controls/gantt/server-side-programming/events/taskdelete) - occurs when a task's collection is about to be deleted from the database through the provider.

* [DependencyInsert](https://www.telerik.com/products/aspnet-ajax/documentation/controls/gantt/server-side-programming/events/dependencyinsert) - occurs when a dependency's collection is about to be inserted in the database through the provider.

* [DependencyDelete](https://www.telerik.com/products/aspnet-ajax/documentation/controls/gantt/server-side-programming/events/dependencydelete) - occurs when a dependency's collection is about to be deleted from the database through the provider.

## See Also

* [Client Side Events](https://www.telerik.com/products/aspnet-ajax/documentation/controls/gantt/client-side-programming/events/overview)