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C#读取ACCESS数据

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2016-06-07 15:36:251599browse

// 读取 Access需使用OLEDB using System.Data.OleDb; /// summary /// 读取 Access 数据 库 /// /summary private void ReadAccessData() { // 1、建立连接 string sAccessConnection = @ Provider=Microsoft.Jet.OLEDB.4.0;DataSource=E:\BegVCSharp\Reade

//读取Access需使用OLEDB
usingSystem.Data.OleDb;

 

        /// 

        /// 读取Access数据
        
/// 

        private void ReadAccessData()
        {
            
//1、建立连接

            string sAccessConnection

 = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=E:\BegVCSharp\ReaderAccess\ReaderAccess\nwind.mdb";

 

 

            OleDbConnection odcConnection = new OleDbConnection(sAccessConnection);
            
//2、打开连接

            odcConnection.Open();

            
//建立SQL查询

            OleDbCommand odCommand = odcConnection.CreateCommand();
            
//3、输入查询语句

            odCommand.CommandText = "select customerID,companyName from Customers";

            
//建立读取

            OleDbDataReader odrReader = odCommand.ExecuteReader();

            
//查询并显示数据

            while (odrReader.Read())
            {
                
//显示取出值(具体显示方式可由自己定义)

                tbValue.Text += "\r\t";
                tbValue.Text 
+= odrReader["CustomerID"].ToString().PadRight(10' '
);
                tbValue.Text 
+= odrReader["CustomerID"
].ToString();
            }

            
//关闭连接

            odrReader.Close();

            odcConnection.Close();

 

       }

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