Sharepoint query string (URL) filter

Question

Good afternoon,

I'm having issues trying to fix something broken on my sharepoint site that has to do with the Query String (URL) Filter. So the way that it is supposed to work is the there is script editor, this pulls the names of all employees. you click the names of the employees and add them to the class roster. The Query string filter is then supposed to mark the employees in another table to show if they are eligible for the class because some classes require prerequisites. The Query String Filter web part is not connecting to the first table (I think) because when I try to click connections, its grey and I cant click anything (I assume this is because it cant find the table or list to connect to). any suggestions? this is sharepoint 2013 by the way.

Answer 1

@Philip Bowman ,

If the connection is gray, it means that the current page has no data to connect to(which means it cannot retrieve tables in script web part).

If you add a list in this page, we can see it as shown below:

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