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ADOConnection1->Close() ;
ADOConnection1->ConnectionString="Provider=SQLOLEDB.1;Password=123456;Persist Security Info=False;User ID=sa;";
ADOConnection1->ConnectionString+="Initial Catalog=jc_data;"; //jc_data:数据库名字
ADOConnection1->ConnectionString+="Data Source=202.103.96.112"; //202.103.96.112:服务器...
ADOConnection1->Open() ;
// 我把 Data Source=82Z6ZLWO9ZMB0VG\SQLEXPRESS 写成了
"Data Source=82Z6ZLWO9ZMB0VG\SQLEXPRESS"
// 应该是
"Data Source=82Z6ZLWO9ZMB0VG\\SQLEXPRESS"
ADOConnection1->Close() ;
ADOConnection1->ConnectionString="Provider=SQLOLEDB.1;Password=;Persist Security Info=False;User ID=82Z6ZLWO9ZMB0VG\Administrator;Initial Catalog=master;Data Source=82Z6ZLWO9ZMB0VG\SQLEXPRESS";
ADOConnection1->Open();
Application->MessageBox("OK!","hint",64);