The DevExpress ASP.NET Gantt control (ASPxGantt) allows you to display the most frequently used commands in the toolbar. Use the Visible property to show or hide the toolbar.
The toolbar can display predefined items and supports custom items. These items are stored in the GanttToolbarSettings.Items collection. The following standard toolbar items are available:
Create a GanttCustomToolbarItem class instance, specify its text and command to add a custom toolbar item with the required functionality.