使用OleDBCommand相關操作類需要引入System.Data.OleDb命名空間。
通過連接一個帶密碼的access數據庫 讀取其中的數據並置入表格中顯示,驗證連接和命令使用正確性。
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.OleDb;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
//數據庫連接,記錄集的獲取
//注意更改路徑
String sqlconn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source = E:/pro/web/access_test/app_data/Northwind.mdb;Jet OLEDB:Database Password=111111";
OleDbConnection myConnection = new OleDbConnection(sqlconn);
myConnection.Open();
OleDbCommand myCommand = new OleDbCommand("select * from 運貨商", myConnection);
OleDbDataReader myReader;
myReader = myCommand.ExecuteReader();
//讀取記錄集
Response.Write("<table border=1 cellspacing=0 cellpadding=2>");
Response.Write("<tr bgcolor=#DAB4B4>");
for (int i = 0; i < myReader.FieldCount; i++)
Response.Write("<td>" + myReader.GetName(i) + "</td>");
Response.Write("</tr>");
while (myReader.Read())
{
Response.Write("<tr>");
for (int i = 0; i < myReader.FieldCount; i++)
Response.Write("<td>" + myReader[i].ToString ()+ "</td>");
Response.Write("</tr>");
}
Response.Write("</table>");
//關閉記錄集和連接
myReader.Close();
myConnection.Close();
}
}
效果圖如下:
完整項目文件已上傳。