我用winform程序连接的Sybase数据库,程序运行一段时间(有时候几个小时,有时候是1,2天)以后,出现如下错误,请问高手如何解决?System.Data.OleDb.OleDbException: Connection login time has expired.
Connection refused. Verify Host Name and Port Number.
at System.Data.OleDb.OleDbConnection.ProcessResults(Int32 hr)
at System.Data.OleDb.OleDbConnection.InitializeProvider()
at System.Data.OleDb.OleDbConnection.Open()
at TestDll.Form1.exeusesql(String sql, String connectID)
Connection refused. Verify Host Name and Port Number.
at System.Data.OleDb.OleDbConnection.ProcessResults(Int32 hr)
at System.Data.OleDb.OleDbConnection.InitializeProvider()
at System.Data.OleDb.OleDbConnection.Open()
at TestDll.Form1.exeusesql(String sql, String connectID)
别忘了尽快关闭
connection.close