Handling errors in Selectbox chain

[Shawn_Pereira]

Hi @Risharky, there are probably multiple ways to do this, two of which are below:

1. The simple, lazy way: wrap your code within a try-except, with a standard error message in case of an error.

2. Use some pandas df filtering. An example of this is provided by @asehmi in the link below:

Is there a better and fast way to check user input beside IF satatement?

Hi @leb_dev, I spent a little time building out my concept. Check out the code here. The filter fields and the filter input fields are specified declaratively. The filter query is dynamically constructed as you select filter fields and enter field values. The query can then be applied to the Pandas data frame. The neat thing about this solution is there is not one “if” statement in sight to control the filtering logic, and you can adjust the filters UI through the declarative specification. Th…

Cheers