Example of Editing in ASP.NET Core Gantt Chart Control

This sample demonstrates the various phases involved in constructing a residential house, from testing the soil to handing over the fully constructed property to the owner. This also demonstrates CRUD operations in a Gantt chart. You can perform CRUD operations as follows,

Add - To add new task, click Add toolbar button.
Edit - To edit a task, double click a row or double click a taskbar or click toolbar Edit button after selecting a row.
Indent - To indent a task, click toolbar indent button after selecting a row./li>
Outdent - To outdent a task, click toolbar outdent button after selecting a row.
Delete - To delete a task, click toolbar Delete button after selecting a row.
Update, Cancel - You can save or discard changes by clicking toolbar Update and Cancel button respectively.

DEMO

SOURCE

This CRUD operations can be configured in Gantt chart using editSettings and allowTaskbarEditing. Gantt chart has two modes to manipulate the datasource

Auto
Dialog

In this demo, Auto mode is enabled for editing. On the TreeGrid side, you can start editing any row by double clicking on it or clicking on toolbar’s Edit button, then the currently selected row will be changed to edited state. On the chart side, you can edit the tasks using edit dialog by double clicking on the taskbars and you can edit the dependency connector lines using drag and drop action with connector line points available on either side of the taskbar. It is possible to connect parent-parent, child-child, child-parent and parent -child dependency relationships.
In this sample column.validationRules has been enabled for the columns. It uses the Form Validator control to define validation rules, displaying error messages for invalid field values.