c#,sitecore8,umbraco-ucommerce
In case anyone else stumbles on this problem. I deleted the website from IIS then recreated it and the problem has gone away. I have no idea why this has fixed the issue, as I have changed nothing in IIS for days.
c#,.net,umbraco,umbraco-ucommerce
You may have a circular reference in your assembly references which is why the method call is suddenly ambiguous. As you described in the question comments you have used UserControls from that assembly within itself, the VS Designer might have added a reference of the UserControl's containing assembly to itself...
sitecore,sitecore7,umbraco-ucommerce
uCommerce products exist in the Sitecore content tree as sitecore items which you can access and you could set the datasource of a multilist to that section of the content tree. I'm not entirely sure what you are trying to achieve, but hopefully that points you in the right direction....
c#,sql,umbraco,umbraco-ucommerce
I removed all constraints from the Azure db regarding uCommerce tables, then deleted the uCommerce tables, and THEN re-ran all 130 sql scripts, and it installed OK. Now the uCommerce section in Umbraco is loading.