Hello Cuong Tran,

Thank you foe posting in our community.

A sample project illustrating how updating feature could be enabled an configured could be found at the following link:

http://igniteui.com/grid/basic-editing

This sample is using Combo editor provider for Ship Name column.

Additionally, I believe you will find the following article from our documentation(explaining how the updating feature could be used) very helpful:

http://www.igniteui.com/help/iggrid-updating

I hope you find this information helpful.

Please feel free to contact me if you need any further assistance with this matter.

Hello Cuong,

Please let me know if you need any additional information regarding this matter.

thanks you very much!