///
/// 資料庫連線操作，可替換為你自己的程式
///
/// 連線字串
///
private static bool testconnection(string connectionstring)
catch (exception ex)
return result;
}#region 採用socket方式，測試伺服器連線
///
/// 採用socket方式，測試伺服器連線
///
/// 伺服器主機名或ip
/// 埠號
///
public static bool testconnection(string host, int port, int millisecondstimeout)
catch (exception e)
finally
}#endregion
private void btnsocket_click(object sender, eventargs e)
else
messagebox.show("socket link failed","連線伺服器");
}data source=(description=(address=(protocol=tcp)(host=)(port=))(connect_data=(service_name=)));user id=;password=
using system;
using system.collections.generic;
using system.data.sqlclient;
using system.linq;
using system.net.sockets;
using system.text;
namespace zt_whitelist_guizhoushifan
catch (exception e)
finally
}///
/// 根據資料庫連線字串判斷連線資料庫是否正確
///
/// 資料庫連線操作
///
public static bool testsqlconnextion(string connectionstring)
catch (exception ex)
return result;
}///
/// 使用config中sql連線判斷是否連線到伺服器並且成功連線資料庫
///
///
///
public static object testsqlserverstart(string sqlserverconnectionsting)
;string serveriplist = sqlserverconnectionsting.split(';');
string tempstringhost = string.empty;
string tempstringport = string.empty;
foreach (var item in serveriplist)
else}}
if (testconnect.testconnection(tempstringhost, int.parse(tempstringport), 60))
;if (testconnect.testsqlconnextion(sqlserverconnectionsting))
returnlist = new object ;
else
returnlist = new object ;
}else;}
return returnlist;
}///
/// 使用config中orca連線判斷是否連線到伺服器並且成功連線資料庫
///
///
///
public static object testorcastart(string orcaconnectionsting)
;orcaconnectionsting = orcaconnectionsting.toupper();
int pos_host = orcaconnectionsting.indexof("host", 0);
int pos_hostend = orcaconnectionsting.indexof(")", pos_host);
string host = orcaconnectionsting.substring(pos_host + 1, pos_hostend - pos_host - 1);
host = host.split('=')[1];
int pos_port = orcaconnectionsting.indexof("port", 0);
int pos_portend = orcaconnectionsting.indexof(")", pos_port);
string port = orcaconnectionsting.substring(pos_port, pos_portend - pos_port - 1);
port = port.split('=')[1];
if (testconnect.testconnection(host, int.parse(port), 60))
;if (testconnect.testsqlconnextion(orcaconnectionsting))
returnlist = new object ;
else
returnlist = new object ;
}else;}
return returnlist;}}
}參考：
20180601增加：
增加異常判斷：
catch (exception ex)
else
}這樣處理起來更舒服點
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