[我的ASP.net学习历程]DataBase Settion(4)

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

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

{

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]";

OleDbConnection conn = new OleDbConnection(connectionString);

OleDbDataAdapter da = new OleDbDataAdapter(strSQL,conn);

OleDbCommandBuilder cb = new OleDbCommandBuilder(da);

DataSet ds = new DataSet();

da.Fill(ds,"List");

//记录的更新

//DataRow dr = ds.Tables["List"].Rows[1];

//

//dr.BeginEdit();

//dr["CustomerID"] = "********";

//dr["Address"] = "------";

//dr.EndEdit();

//记录更新也可写成这样!

//ds.Tables["List"].Rows[1].BeginEdit();

//ds.Tables["List"].Rows[1]["CustomerID"] = "+++++";

//ds.Tables["List"].Rows[1]["Address"] = "------";

//ds.Tables["List"].Rows[1].EndEdit();

//记录的插入

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

//dr["CustomerID"] = "1242354554656";

//dr["Address"] = "mmnnvbc";

//

//ds.Tables["List"].Rows.Add(dr);

//记录删除

//ds.Tables["List"].Rows[2].Delete();

//更新到数据库

da.Update(ds,"List");

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

DataGrid1.DataBind();

ds.Clear();

conn.Close();

}