Asp.Net 之 数据库的操作

string connStr = System.Configuration.ConfigurationManager.ConnectionStrings["connStr"].ConnectionString;
OleDbConnection conn = new OleDbConnection(connStr);
string sql = "insert into [WriteName] (myName) values ('" + IUserName.Text + "')";
OleDbCommand rs = new OleDbCommand(sql, conn);
rs.Connection.Open();
rs.ExecuteNonQuery();
rs.Connection.Close();

string connString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + Server.MapPath("App_Data/my.mdb");
OleDbConnection conn = new OleDbConnection(connString);
string sql = "select [ID] as 号, [MyName] as 姓名  from [WriteName]";
OleDbDataAdapter comm = new OleDbDataAdapter(sql, conn);
DataSet rs = new DataSet();
comm.Fill(rs,"WriteName");
myDataList.DataSource = rs.Tables["WriteName"].DefaultView;
myDataList.DataBind();