ASP.NET連SQL7接口的源代碼

ASP.NET連SQL7接口的源代碼

　　The following example shows what a simple application that connects to the Northwind database and returns a list of Categories would look like. The example writes the output to the console, or command prompt.

　　The following example shows what a simple application that connects to the Northwind database and returns a list of Categories. The example writes the output to the console, or command prompt.

　　SqlClient

　　[Visual Basic]

　　Imports System

　　Imports System.Data

　　Imports System.Data.SqlClient

　　Imports Microsoft.VisualBasic

　　Public Class Sample

　　Public Shared Sub Main()

　　Dim nwindConn As SqlConnection = New SqlConnection("Data Source=localhost;" & _

　　"User Id=sa;Password=pwd;Initial Catalog=northwind")

　　Dim catCMD As SqlCommand = nwindConn.CreateCommand()

　　mandText = "SELECT CategoryID, CategoryName FROM Categories"

　　nwindConn.Open()

　　Dim myReader As SqlDataReader = catCMD.ExecuteReader()

　　Do While myReader.Read()

　　Console.WriteLine(vbTab & "{0}" & vbTab & "{1}", myReader.GetInt32(0), myReader.GetString(1))

　　Loop

　　myReader.Close()

　　nwindConn.Close()

　　End Sub

　　End Class

　　[C#]

　　using System;

　　using System.Data;

　　using System.Data.SqlClient;

　　class Sample

　　{

　　public static void Main()

　　{

　　SqlConnection nwindConn = new SqlConnection("Data Source=localhost;User Id=sa;Password=pwd;Initial Catalog=northwind");

　　SqlCommand catCMD = nwindConn.CreateCommand();

　　mandText = "SELECT CategoryID, CategoryName FROM Categories";

　　nwindConn.Open();

　　SqlDataReader myReader = catCMD.ExecuteReader();

　　while (myReader.Read())

　　{

　　Console.WriteLine("t{0}t{1}", myReader.GetInt32(0), myReader.GetString(1));

　　}

　　myReader.Close();

　　nwindConn.Close();

　　}

　　}

　　OleDb

　　[Visual Basic]

　　Imports System

　　Imports System.Data

　　Imports System.Data.OleDb

　　Imports Microsoft.VisualBasic

　　Public Class Sample

　　Public Shared Sub Main()

　　Dim nwindConn As OleDbConnection = New OleDbConnection("Provider=SQLOLEDB;Data Source=localhost;" & _

　　"User Id=sa;Password=pwd;Initial Catalog=northwind")

　　Dim catCMD As OleDbCommand = nwindConn.CreateCommand()

　　mandText = "SELECT CategoryID, CategoryName FROM Categories"

　　nwindConn.Open()

　　Dim myReader As OleDbDataReader = catCMD.ExecuteReader()

　　Do While myReader.Read()

　　Console.WriteLine(vbTab & "{0}" & vbTab & "{1}", myReader.GetInt32(0), myReader.GetString(1))

　　Loop

　　myReader.Close()

　　nwindConn.Close()

　　End Sub

　　End Class

　　[C#]

　　using System;

　　using System.Data;

　　using System.Data.OleDb;

　　class Sample

　　{

　　public static void Main()

　　{

　　OleDbConnection nwindConn = new OleDbConnection("Provider=SQLOLEDB;Data Source=localhost;User Id=sa;Password=pwd;Initial Catalog=northwind");

　　OleDbCommand catCMD = nwindConn.CreateCommand();

　　mandText = "SELECT CategoryID, CategoryName FROM Categories";

　　nwindConn.Open();

　　OleDbDataReader myReader = catCMD.ExecuteReader();

　　while (myReader.Read())

　　{

　　Console.WriteLine("t{0}t{1}", myReader.GetInt32(0), myReader.GetString(1));

　　}

　　myReader.Close();

　　nwindConn.Close();

　　}

　　}

《&.doc》

将本文的Word文档下载到电脑，方便收藏和打印

推荐度：

点击下载文档

【ASP.NET連SQL7接口的源代碼】相關文章：

asp.net的學習過程講解03-30

ASP.NET MVC異常處理模塊簡單教程-ASP.NET教程實例推薦03-09

關于Java源代碼折行的規則03-20

java非對稱加密的源代碼(rsa)03-30

ASP.NET Page函數調用解析03-29

硬盤接口技術01-05

Sun目前的軟件策略－－開放源代碼03-08

Java的接口和抽象類03-29

嵌入式系統接口技術02-27