在ADO.NET平台上开发，SQL + C#，能够跟踪客户需求，以及客户的所有信息，并且，包括复杂的查询功能，适合中小型企业客户管理。-In ADO.NET platform, SQL+ C#, to track customer demand, as well as all customer information, and, including the complexity of the inquiry function of customer management for small an