此处是文档有关如何使用C#在Azure存储中创建和管理Blob的信息，以帮助您入门. 

I want to create a folder in azure blob container and access it using c#.

This form is for Azure Stack, a standalone thingy. I am transferring your issue to the Azure Storage Forum. 

Here is a document on how to create and manage blobs in Azure Storage using C# to help you get started.