little fix to avoid blank button

diff --git a/mainwindow.cpp b/mainwindow.cpp
index a80b1c52d6ce3501335286c995028a0a7ec38e5c..4be98c6199bd5fa37de431db8716b1faf7f631b6 100644 (file)
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -1240,7 +1240,8 @@ bool MainWindow::printItem(const QSqlQuery & a){
 
     };
     do{
-        int tmp=addWidget(a.value(actCol).toString(), new CLabel(a.value(labCol).toString(), *conf));
+        int tmp=0;
+        if(a.isValid())tmp=addWidget(a.value(actCol).toString(), new CLabel(a.value(labCol).toString(), *conf));
         if(tmp==1){
             addWidget(QString("nextpage"), new CLabel(trUtf8("Next"), *conf));
             return 1;