When you create an application many times it works for you on your machine, but not when you deploy it elsewhere. This can happen on Azure websites or cloud services. But it isn’t the platforms fault. It would be the platforms fault if it didn’t
Windows Azure and some other cloud table storage systems do not support auto-increment identity columns as Microsoft Sql Server does. Azure groups records by a dual key, the partition key and the row key. The partition key is a group of related records that should