Not long after asking this question, the client found a different solution to their problems, so I've stopped looking.
Since then the Web Platform Installer has been launched, and at the time of writing, offered a number of .NET based eCommerce applications including some with paid/supported options:
I've not used or investigated any of these, so your mileage may vary, but I'm listing them here (as a community wiki) to assist the few people who bounce past every now and again looking for an answer:
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看看 Melon ASP.NET 产品目录，不确定他们是否有供应商人员，但易于集成且非常可扩展。
Take a look at Melon ASP.NET Product Catalog, not sure if they have the Suppliers staff, but easy to integrate and very extendable.
问这个问题后不久，客户找到了不同的解决方案来解决他们的问题，所以我不再寻找。
从那时起，Web 平台安装程序已经启动，在撰写本文时，提供了许多基于 .NET 的电子商务应用程序，其中包括一些带有付费/支持选项的应用程序：
我没有使用或研究过其中任何一个，因此您的情况可能会有所不同，但我在这里列出它们（作为社区 wiki），以帮助那些时不时地跳过去寻找答案的人：
Not long after asking this question, the client found a different solution to their problems, so I've stopped looking.
Since then the Web Platform Installer has been launched, and at the time of writing, offered a number of .NET based eCommerce applications including some with paid/supported options:
I've not used or investigated any of these, so your mileage may vary, but I'm listing them here (as a community wiki) to assist the few people who bounce past every now and again looking for an answer: