SqlDataAdapter对象

protected void Page_Load(object sender, EventArgs e)
{
string sqlstring = "data source=hp-pc;initial catalog=ADO30;persist security info=true;user=sa;password=admin";
using (SqlConnection con = new SqlConnection(sqlstring))
{
string text = "select * from Table_1";
using(SqlCommand cmd=new SqlCommand(text,con))
{
con.Open();
SqlDataAdapter sda = new SqlDataAdapter(cmd);
//SqlDataAdapter sda1 = new SqlDataAdapter(text, sqlstring);//sqlDataAdapter包含有connection command的方法可直接对数据库操作
DataSet ds = new DataSet();
sda.Fill(ds);
//sda.Fill(1, 5, ds.Tables[0]);//把数据库中1and5 row填充到ds的一个表中 GridView1.DataSource = ds.Tables[0];//数据源
GridView1.DataBind();//数据绑定
}
}
}