Obtain a basic understanding of what a DataSet is for.
Learn to use a SqlDataAdapter to retrieve and update data.
了解断开数据的需要
获得对于DataSet用来做什么的基本了解
学习如何使用SqlDataAdapter来找回和更新数据
Introduction
介绍
In Lesson 3, we discussed a fully connected mode of operation for interacting with a data source by using the SqlCommand object. In Lesson 4, we learned about how to read data quickly an let go of the connection with the SqlDataReader. This Lesson shows how to accomplish something in-between SqlConnection and SqlDataReader inte