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//Verze 2.2012.166.17
//STANICE
//Windows XP Home Edition Service Pack 3 v5.1.2600
//14.11.2012 12:25:50

FirebirdSql.Data.FirebirdClient.FbException: Error reading data from the connection. ---> Error reading data from the connection.
   --- Konec trasování zásobníku pro vnitřní výjimku ---
   v FirebirdSql.Data.FirebirdClient.FbTransaction.BeginTransaction()
   v FirebirdSql.Data.FirebirdClient.FbConnectionInternal.BeginTransaction(IsolationLevel level, String transactionName)
   v FirebirdSql.Data.FirebirdClient.FbConnection.BeginTransaction(IsolationLevel level, String transactionName)
   v FirebirdSql.Data.FirebirdClient.FbConnection.BeginDbTransaction(IsolationLevel isolationLevel)
   v System.Data.Common.DbConnection.System.Data.IDbConnection.BeginTransaction()
   v DevExpress.Xpo.DB.ConnectionProviderSql.ConnectionBeginTransaction(Object il)
   v DevExpress.Xpo.DB.ConnectionProviderSql.BeginTransactionCore(Object il)
   v DevExpress.Xpo.DB.ConnectionProviderSql.ProcessModifyData(ModificationStatement[] dmlStatements)
   v DevExpress.Xpo.DB.DataStoreSerializedBase.ModifyData(ModificationStatement[] dmlStatements)
   v DevExpress.Xpo.DB.ConnectionProviderSql.ModifyData(ModificationStatement[] dmlStatements)
   v DevExpress.Xpo.SimpleDataLayer.ModifyData(ModificationStatement[] dmlStatements)
   v DevExpress.Xpo.SimpleObjectLayer.CommitChanges(Session session, ICollection fullListForDelete, ICollection completeListForSave)
   v DevExpress.Xpo.Session.FlushChangesInsideTransaction()
   v DevExpress.Xpo.Session.FlushChanges()
   v DevExpress.Xpo.Session.<CommitTransaction>b__55()
   v DevExpress.Xpo.Logger.LogManager.Log(String category, LogHandlerVoid handler, MessageHandler`1 createMessageHandler, ExceptionHandler exceptionHandler)
   v DevExpress.Xpo.Session.CommitTransaction()
   v DevExpress.Xpo.UnitOfWork.CommitChanges()
   v Elite.Gui.Controls.EditControl.DoSave()
   v Elite.Gui.Controls.ZadankaEditControl.DoSave()
   v Elite.Gui.Controls.EditControl.SaveTest()
   v Elite.Gui.Controls.EditControl.DoSaveTest()
   v Elite.Gui.Controls.EditControl.ControlClosing(FormClosingEventArgs e)
   v Elite.Gui.Controls.BaseControl.ParentForm_FormClosing(Object sender, FormClosingEventArgs e)
   v System.Windows.Forms.FormClosingEventHandler.Invoke(Object sender, FormClosingEventArgs e)
   v System.Windows.Forms.Form.OnFormClosing(FormClosingEventArgs e)
   v System.Windows.Forms.Form.WmClose(Message& m)
   v System.Windows.Forms.Form.WndProc(Message& m)
   v DevExpress.XtraEditors.XtraForm.WndProc(Message& msg)
   v System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
   v System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
   v System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)