ADO.NETÖеÄsqlÁ¬½Ó
using System.Data; // Use ADO.NET namespace
using System.Data.SqlClient;
SqlConnection thisConnection = new SqlConnection(
@"Data Source=GY; Initial Catalog=northwind;uid=sa;password=datadog"); //ÏȽ¨Á¢Á¬½Ó
thisConnection.Open();//´ò¿ªÁ¬½Ó
SqlCommand thisCommand = thisConnection.CreateCommand();//Ö±½ÓÖ¸¶¨connµÄcommand
Ò²¿ÉÒÔÕâÑù // SqlCommand cmd = new SqlCommand();
// cmd.Connection = thisConnection;
cmmandµÄsqlÃüÁî
thisCommand.CommandText = "SELECT CustomerID, CompanyName from Customer";
SqlDataReader thisReader = thisCommand.ExecuteReader();//sqldatareader²»¿ÉÒÔÓÃnew ±ØÐëÖ±½ÓÓëcommand¹ØÁª
//ÓÃreader¶Á³ö±í
while (thisReader.Read())
{
// Output ID and name columns
Console.WriteLine("\t{0}\t{1}",
thisReader["CustomerID"], thisReader["CompanyName"]);
// Close reader ÓÃÍêÒª¹Ø±Õ
thisReader.Close();
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public class SqlCheck
{
public SqlCheck()
{
//
// TODO: ÔÚ´Ë´¦Ìí¼Ó¹¹Ô캯ÊýÂß¼
//
}
public SqlConnection oconn()
{
SqlConnection conn = new SqlConnection();
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