Number of Text box based selection of Combobox

import tkinter as tk
from tkinter import ttk
my_w = tk.Tk()
my_w.geometry("400x150")  # Size of the window 
my_w.title("www.plus2net.com")  # Adding a title
font1=('Times',18,'normal')
sel=tk.StringVar() # string variable 
my_opts=['Show Two','Show Three'] # options
cb1 = ttk.Combobox(my_w, values=my_opts,width=25,
        textvariable=sel,font=font1) # Combobox
cb1.grid(row=0,column=0,padx=10,pady=20,columnspan=3) # adding to grid
def my_upd(*args):
    for w in my_w.grid_slaves(1): # all elements 
        w.grid_remove()                  # delete elements 
    if(sel.get()=='Show Two'):
        t1 = tk.Text(my_w,  height=1, width=8,bg='yellow') # 
        t1.grid(row=1,column=0,padx=10,pady=20)
        t2 = tk.Text(my_w,  height=1, width=8,bg='yellow') # 
        t2.grid(row=1,column=1,padx=10,pady=20)
    elif(sel.get()=='Show Three'):
        t1 = tk.Text(my_w,  height=1, width=8,bg='yellow') # 
        t1.grid(row=1,column=0,padx=1,pady=20)
        t2 = tk.Text(my_w,  height=1, width=8,bg='yellow') # 
        t2.grid(row=1,column=1,padx=1,pady=20)
        t3 = tk.Text(my_w,  height=1, width=8,bg='yellow') # 
        t3.grid(row=1,column=2,padx=1,pady=20)   
sel.trace('w',my_upd) # on change of string variable 
my_w.mainloop()  # Keep the window open

Subhendu Mohapatra

Author & Instructor at plus2net

I write and maintain practical tutorials on Python, PHP, SQL, JavaScript, HTML, jQuery, and web development at plus2net. The tutorials focus on clear explanations, working examples, and code that readers can test and adapt while learning.

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