SSRS gauge label default if no value

Question

I have a gauge with a label containing the value from a column in the dataset the gauge is based upon. Sometimes there won't be a value for a particular row. I'm passing the name of a person in from another report. This works correctly but displays "Text" if there isn't a value for that person. It displays the numeric value if this is. How can I control what's displayed instead of "text" in the label? Thanks.

Answer 1

Use an expression to test the value that might be coming in, and if it's missing/invalid, replace it with something else. IsNothing(), or Len()/Length() sound like they're what you need.