Entity Framework Repository is not updating

I am using NopCommerce 3.7 and in the presentation layer i don't use MVC appication, i use WebForms application. I have tried to insert/update record to table. When i tried to insert new record in the table,New record inserted successfully. but when i tried to update operation , Method "UpdateData" executed successfully but record did not update. Please help me!

huynh_trong2271989 wrote:

I think you faces the problem for Generic attribute.

Go through==>https://www.nopcommerce.com/boards/t/40035/not-sure-why-_genericattributeservicesaveattribute-doesnt-update-the-value-.aspx#159923

Thanks, but it doesn't work!

Please do not duplicate topics (deleted)

If you are having the issue I had with updates, it may be you are creating an instance of the entity that has not been attached to the entity framework.  You need to either attach it to the framework or pull in a fresh copy of the object from the framework, set the fields, then update back to the framework.