DataReaderSql.cs
上传用户:lxycoco
上传日期:2022-07-21
资源大小:38457k
文件大小:1k
- using System;
- using System.Data.SqlClient;
- public class DataReaderSql
- {
- public static int Main(string[] args)
- {
- string source = Login.Connection ;
- string select = "SELECT ContactName,CompanyName FROM Customers" ;
- SqlConnection conn = new SqlConnection ( source ) ;
- try
- {
- using ( conn )
- {
- conn.Open ( ) ;
- SqlCommand cmd = new SqlCommand ( select , conn ) ;
- using ( SqlDataReader aReader = cmd.ExecuteReader ( ) )
- {
- while ( aReader.Read ( ) )
- Console.WriteLine ( "'{0}' from {1}" , aReader.GetString(0) , aReader.GetString ( 1 ) ) ;
- aReader.Close ( ) ;
- }
- conn.Close ( ) ;
- }
- }
- catch ( Exception e )
- {
- Console.WriteLine ( e ) ;
- Console.WriteLine ( ) ;
- Console.WriteLine ( "Chances are your database does not have a user" ) ;
- Console.WriteLine ( "called QSUser, or you do not have the NetSDK database installed." ) ;
- }
- return 0;
- }
- }