上海阿里云代理商：asp.net core集成MongoDB的完整步骤

To summarize the user's request: They want an article written in HTML format, detailing the steps to integrate MongoDB with ASP.NET Core, specifically from the perspective of a Shanghai Alibaba Cloud agent. The article should be at least 1000 Chinese characters long, clearly outline the advantages of using Alibaba Cloud, and conclude with a summary. The content should be organized, clear, and straightforward.