我从Microsoft Visual Studio 2008发布我的程序。 它有效。但是当尝试连接到MySql数据库服务器时,我收到错误:
错误TRF.EXE SqlException 在System.Data.SqlClient.SqlConnection.OnError(SqlException异常,TdsParserState状态) System.Data.SqlClient.ThrowExceptionAndWarning()在System.Data.SqlClient.TdsParser.Connect(String host, SqlInternalConnection connHandler,Int32 timeout)at System.Data.SqlClient.SqlInternalConn ection..ctor(SqlConnection 连接,Hashtable connectionOptions)at System.Data.SqlClient.SqlConnection。打开() TL.User.set_Password(String value)at TRF.LoginForm.textBoxPassword_Key Down(对象发送者,KeyEventArgs e) 在System.Windows.Forms.Control.WnProc(WM wm,Int32 wParam,Int32 IParam)在System.Windows.Forms.Control._InternatWnProc(WM wm, Int32 wParam,Int32 IParam)at Microsoft.AGL.Forms.EVL.EnterModalDialog(IntPtr hwnModal)at at System.Windows.Forms.ShowDialog()在TRF.MainForm.login()处 TRF.MainForm.buttonShip_Click(Object sender,EventArgs e)at System.Windows.Forms.Control.OnClick(EventArgs e)at System.Windows.Forms.Button.OnClick(EventArgs e)at System.Windows.Forms.ButtonBase.WnProc(WM wm,Int32 wParam,Int32 IParam)在System.Windows.Forms.Control._InternatWnProc(WM wm, Int32 wParam,Int32 IParam)at Microsoft.AGL.Forms.EVL.EnterMainLoop(IntPtr hwnMain)at TRF.Program.Main()上的System.Windows.Forms.aplication.Run(Form fm)