zy05-2011 ADO.NET-05强类型数据集.ppt

文档介绍：-05
强类型数据集
数据的更新
三层架构基础
建立表的时候请注意添加主键
演示
private void button1_Click(object sender, EventArgs e)
{
DataSet1 ds = new DataSet1();
taAdmin = new ();
();
= ;
foreach ( ar in )
{
();
}
}
AdminDS ds = new AdminDS();
ata = new ();
sta = new ();
();
();
= ;
AdminDS ds = new AdminDS();
ata = new ();
sta = new ();
();
();
sr = ()[1];
= "张张";
();
= ;
DataSet1 ds = new DataSet1();
taAdmin = new ();
();
= ;
= ().ToString();
数据的更新
public void DeleteCustomer(int id)
{//P149通用命令
// Get connection string
ConnectionStringSettings css =
["VideoGameStoreDB"];
DbProviderFactory factory = ( );
// Use using construct to ensure Dispose is called pletion
using ( DbConnection conn = () )
{
= ;
// Use using construct to ensure Dispose is called pletion
using ( mand cmd = () )
{
= conn;
mandTyp