WebDec 16, 2024 · The only kinds of variables for which this works are variables that are subclassed from a class called Variable, defined in the Tkinter module. They are declared like this: x = StringVar () # Holds a string; default value "" x = IntVar () # Holds an integer; default value 0 x = DoubleVar () # Holds a float; default value 0.0 WebApr 11, 2024 · It seems like you have forgotten to add self.hour as value to your Entry. Try # entry box for hour self.hour = IntVar() self.time_hour= tkinter.Entry(font=("Helvetica", 10), textvariable=self.hour) IntVar has 0 as default value: you don't need to do anything for it.
Tkinter - converting an entry into an integer? : learnpython - Reddit
WebAn instance of the Entry widget does not require any arguments for the get method. You are calling it correctly. Neither does the standard open command require an integer. My guess is, one of entry or open is not what you think it is. Maybe you have a method or another object with one of those names? WebAug 16, 2024 · There are 4 tkinter variables. BooleanVar () StringVar () IntVar () DoubleVar () Setting values of Tkinter variables – 1. Using variable’s constructor Syntax: var = Tkinter_variable (master, value = any_value) Python3 from tkinter import * master = Tk () intvar = IntVar (master, value = 25, name ="2") strvar = StringVar (master, "Hello !") itil operations manager
An Essential Guide to Tkinter Entry widget By Examples - Python …
WebNov 29, 2024 · Python Tkinter entry command on enter It simply means, what action will happen when the user hits on Enter key on the keyboard. This is also called key binding Whenever users provide input in the entry widget & hits enter then some action is triggered. the action could be in the form of validation, printing message, etc. WebIn general conversions work best by converting to some neutral format, (in this case, a python integer), and then into your final format. That way you don't have to write conversion between every possible format. Instead, you just a conversion for each format into the neutral format and then out of the neutral format. Share Improve this answer Webimport tkinter as tk my_w = tk.Tk () my_w.geometry ("400x200") # Size of the window e_v=tk.DoubleVar () # declare double varible e_v.set (6.7) # assign the value to Double variable e1=tk.Entry (my_w,textvariable=e_v,font=20) e1.grid (row=0,column=0,padx=15,pady=15) l1=tk.Label (my_w,text='Output',font=22,bg='yellow') … itil online foundation training