Hi Feiyue,
Thanks for using Syncfusion products.
We have prepared a sample for Two way Data binding. In this sample the selected items of the grind binds
to the text box. Any updates in the grid, update's in the textbox, correspondingly, and vice versa.
Download the workaround sample from the below location,
http://www.syncfusion.com/uploads/redirect.aspx?file=Sample_b9cb2971.zip&team=developmentWe have added some property for two way binding which is available in our latest build.
So please download the latest build 7.4.0.9 from the below location.
www.syncfusion.com/downloads/development-builds
We also fixed some issues regarding in our latest build. If you want this fixed binaries then
create the support Incident, we will update you with the Patch file.
Let us know if you need any more details.
Thanks
Ganesan