Products Module. Can't save changes from edit view

Hi guys.

I have developed the custom mode on the base of the Products module from Sitefinity SDK and faced the problem - I can save any changes when I try to edit the my custom content item. The other actions like create a new or delete item work correct. I decided to check how the Products module works - and found the same problem. At the same time all  Sitefinity embedded modules work without any problems.

Could anybody help we with an advice where I can find the cause of this problem?

p.s. I use the lates Sitefinity build 4.1.1405.0

Hi Ihar,

We had the same issues (and many others) with making customized modules using the sample of Products.

What we did in the end, and helped us a lot, was to use a different approach for making custom modules where we had full control over the DAL layer and everything.

Please watch a very good movie posted by Telerik a few days ago: 
http://tv.telerik.com/watch/sitefinity/how-to-extend-sitefinity-4-using-page-based-modules
http://tv.telerik.com/watch/sitefinity/developing-intra-site-modules-in-sitefinity-4

It's not using the same approach as Products but you can create fully customized modules and if you use Sitefinity skin you can simulate the current SF4.1 look & feel.

For us worked like a charm.

Hope it helps!