Handling null or empty entries from Entry Widget - Printable Version +- Python Forum (https://python-forum.io) +-- Forum: Python Coding (https://python-forum.io/forum-7.html) +--- Forum: General Coding Help (https://python-forum.io/forum-8.html) +--- Thread: Handling null or empty entries from Entry Widget (/thread-16847.html) |
Handling null or empty entries from Entry Widget - KevinBrown - Mar-17-2019 I am taking values from Entry widgets, some of which can be a null /empty and to run them into SQLite. Suct = float(EntSuct.get())[/quote]How should I handle this to avoid these kinds of errors? Exception in Tkinter callback Traceback (most recent call last): File "C:\Users\Kevin\AppData\Local\Programs\Python\Python37-32\lib\tkinter\__init__.py", line 1705, in __call__ return self.func(*args) File "C:\MyScripts\Pump_Calc.py", line 124, in FileSave Suct = float(EntSuct.get()) ValueError: could not convert string to float:By the way. What's the Unladen Swallow title below my name and avatar? RE: Handling null or empty entries from Entry Widget - perfringo - Mar-17-2019 I am no admin on this site, but for context you can read this: swallow In Python there is try...except for handling errors. |