python - How to set the text/value/content of an `Entry` widget …
try: # In order to be able to import tkinter for import tkinter as tk # either in python 2 or in python 3 except ImportError: import Tkinter as tk class EntryWithSet(tk.Entry): """ A subclass to Entry that has a set method for setting its text to a given string, much like a Variable class.
python - How do I get the Entry's value in tkinter? - Stack Overflow
I'm trying to use Tkinter's Entry widget. ... Python TkInter get method for entry box. 0. Python tkinter ...
python - How do I get an event callback when a Tkinter Entry …
2011年7月1日 · At the time of writing (2017, Python 3.6, tkinter version 8.6.6) the docs suggest that .trace is deprecated. The suggested form now seems to be:
How to clear the Entry widget after a button is pressed in Tkinter?
2010年2月14日 · From my experience, Entry.delete(0, END) sometimes didn't work when the state of entry widget is DISABLED. Check the state of Entry when Entry.delete(0, END), doesn't work and if the value of entry widget remains, call entry.update() to reflect the result of …
python - Setting a Default Value in an Entry box in Tkinter - Stack ...
You can use the insert method of the entry widget to insert any value you want: value = pd.value_counts(df['month'].values, sort=False)[1] e1.insert(0, value) You can also associate an instance of StringVar or IntVar by using the textvariable attribute, though most of the time that just creates an extra object you have to keep track of.
python - How can I store a tkinter Entry() value as a float value ...
2020年6月22日 · Is this because the tkinter Entry widget is empty without further configurations? Edit: found solution: bind the tkinter Entry widget using tkinter.Entry.bind(). I set the parameters of bind() to <Return> followed by a comma and a lambda function.
python - Get contents of a Tkinter Entry widget - Stack Overflow
2017年8月31日 · I am creating an application and I want to use the entered values in the GUI Entry widget. How do I get the entered input from a Tkinter Entry widget? root = Tk() ... entry = Entry(root) entry.p...
tkinter - python - Converting entry () values to upper case - Stack ...
2017年5月28日 · 1. If you want to convert the entry content to uppercase instead of preventing the user to insert non uppercase letters, you can associate a StringVar to your entry and use its trace (trace_add since python 3.6) method to convert the entry content to uppercase each time the user modifies the entry. trace takes two arguments: the mode and the ...
python - Get an Integer from Entry - Stack Overflow
I am new to Tkinter as well, and I also faced the same problem. I think the issue is that the default value of the Entry field is an empty string, which cannot be converted to integer. I suggest you try adding an if statement to check for that case:
python - Interactively validating Entry widget content in tkinter ...
Define a function returning a boolean that indicates whether the input is valid. Register it as a Tcl callback, and pass the callback name to the widget as a validatecommand. For example: import tkinter as tk. def validator(P): """Validates the input. Args: P (int): the value the text would have after the change.