In Gantt control, you can save the changes of operations like Add, Update and Delete to the SQL database with the help of the client-side event ActionComplete and code behind in C#. You can refer the following code example for more details.
In Default.aspx page:
In Default.aspx.cs page:
|Article ID:||Published Date:||Last Revised Date:||Platform:||Control:|
|3086||01/05/2015||01/05/2015||ASP.NET Web Forms||Gantt|