论坛交流
首页办公自动化| 网页制作| 平面设计| 动画制作| 数据库开发| 程序设计| 全部视频教程
应用视频: Windows | Word2007 | Excel2007 | PowerPoint2007 | Dreamweaver 8 | Fireworks 8 | Flash 8 | Photoshop cs | CorelDraw 12
编程视频: C语言视频教程 | HTML | Div+Css布局 | Javascript | Access数据库 | Asp | Sql Server数据库Asp.net  | Flash AS
当前位置 > 文字教程 > asp教程
Tag:入门,文摘,实例,技巧,iis,表单,对象,上传,数据库,记录集,session,cookies,存储过程,注入,分页,安全,优化,xmlhttp,fso,jmail,application,防盗链,stream,组件,md5,乱码,缓存,加密,验证码,算法,ubb,正则表达式,水印,,日志,压缩,url重写,控件,函数,破解,触发器,socket,ADO,初学,聊天室,留言本,视频教程

ASP.NET连SQL7接口源代码

文章类别:asp | 发表日期:2008-10-5 20:52:00

The following example shows what a simple ADO.NET 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 ADO.NET 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()
    catCMD.CommandText = "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();
    catCMD.CommandText = "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()
    catCMD.CommandText = "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();
    catCMD.CommandText = "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();
  }
}

视频教程列表
文章教程搜索
 
Asp推荐教程
Asp热门教程
看全部视频教程
购买方式/价格
购买视频教程: 咨询客服
tel:15972130058