ADO+管理器功能
In the past, data access was done using a two-tiered, connected model. With the increased development of
multi-tiered applications, the need for a disconnected model has arisen. The ADO+ managed providers give
us this model.
Managed providers are responsible for creating connections between DataSet objects and data sources like
relational databases or XML documents. There are three main levels to the managed provider implementation:
Connections, Commands and Parameters are responsible for communication betwe...[ 查看全文 ]
2016-01-29
标签:
