• 爱情文章
  • 亲情文章
  • 友情文章
  • 生活随笔
  • 校园文章
  • 经典文章
  • 人生哲理
  • 励志文章
  • 搞笑文章
  • 心情日记
  • 英语文章
  • 范文大全
  • 作文大全
  • 新闻阅读
  • 当前位置: 山茶花美文网 > 搞笑文章 > 正文

    ASP.NET复习资料_ASP.NET连SQL7接口源代码

    时间:2020-05-27来源:山茶花美文网 本文已影响 山茶花美文网手机站

    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();

    }

    }

    • ASP.NET复习资料_ASP.NET连SQL7接口源代码 相关文章:
    • 爱情文章
    • 亲情文章
    • 友情文章
    • 随笔
    • 哲理
    • 励志
    • 范文大全