data sources

[#1]

Hi:

     Everyone.I have a problem about data source.

     Please see the attachment 1.png and 2.png.

     1.png tells us how to connect to a database,and get a .qvd file.

     2.png tells us the problem happans when using the .qvd file.

     Could anyone tell me why "??" happens?

[tamilarasu]

Hi Daniel,

I have never seen this before. Below thread might be useful.

Multiple Question mark in list box | Qlik Community