[我的ASP.net学习历程]DataBase Settion(3)

protected System.Web.UI.WebControls.DataGrid DataGrid1;

private void Page_Load(object sender, System.EventArgs e)

{

Random rd = new Random();

string dbPath = @"Data\dbTest.mdb";

string db = Server.MapPath (dbPath);

string connectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + db;

string strSQL = "SELECT [CustomerID],[Address] FROM Customers";

DataSet ds = new DataSet();

OleDbConnection conn = new OleDbConnection(connectionString);

OleDbDataAdapter da = new OleDbDataAdapter(strSQL,conn);

OleDbCommandBuilder cb = new OleDbCommandBuilder(da);

//通过Connection链接数据库操作,参数1为以第一行为起,参数2为向下两行止

//da.Fill(ds,1,2,"testMdb");

da.Fill(ds,"testMdb");

//向DataSet插入一新行

DataRow dr = ds.Tables["testMdb"].NewRow();

dr["CustomerID"] = "RandNumber";

dr["Address"] = rd.Next(100000).ToString();

ds.Tables["testMdb"].Rows.Add(dr);//填充内容到DataSet

da.Update(ds,"testMdb");

DataGrid1.DataSource = ds.Tables["testMdb"].DefaultView;

DataGrid1.DataBind();

ds.Clear();

conn.Close();

}