PYTHON - How To Add Delete And Update TreeView Row Using TextFields In Python Tkinter

Python - How To Insert Remove And Edit TreeView Row Using TextBoxes In Python Tkinter

In this Python Tkinter Tutorial we will see How to:

- add a row to Trreview from TextFields .

- delete selected item from Trreview .

- get selected row values from Trreview to Textboxes .

- update a Trreview row using TextFields .

Project Source Code:

import tkinter as tk

from tkinter import *

from tkinter import ttk

root = Tk()

frame = tk.Frame(root, bg='#3498db')

frame_btns = tk.Frame(frame, bg='#3498db')

data = [

[1,"AAA","BBB","ab@mail.com",17],

[3,"EEE","FFF","ef@mail.com",91],

[4,"GGG","HHH","gh@mail.com",47],

[7,"MMM","NNN","mn@mail.com",25],

[8,"PPP","QQQ","pq@mail.com",43],

[9,"RRR","SSS","rs@mail.com",94],

]

label_id = tk.Label(frame, text='ID:', font=('verdana',14), bg='#3498db')

entry_id = tk.Entry(frame, font=('verdana',14))

label_fname = tk.Label(frame, text='First Name:', font=('verdana',14), bg='#3498db')

entry_fname = tk.Entry(frame, font=('verdana',14))

label_lname = tk.Label(frame, text='Last Name:', font=('verdana',14), bg='#3498db')

entry_lname = tk.Entry(frame, font=('verdana',14))

label_email = tk.Label(frame, text='Email:', font=('verdana',14), bg='#3498db')

entry_email = tk.Entry(frame, font=('verdana',14))

label_age = tk.Label(frame, text='Age:', font=('verdana',14), bg='#3498db')

entry_age = tk.Entry(frame, font=('verdana',14))

btn_add = tk.Button(frame_btns, text='Add', font=('verdana',14), bg='#f39c12',

fg='#ffffff', width=10)

btn_edit = tk.Button(frame_btns, text='Edit', font=('verdana',14), bg='#f39c12',

fg='#ffffff', width=10)

btn_remove = tk.Button(frame_btns, text='Remove', font=('verdana',14), bg='#f39c12',

fg='#ffffff', width=10)

trv = ttk.Treeview(frame, columns=(1,2,3,4,5), show='headings')

trv.column(1, anchor='center', width=100)

trv.column(2, anchor='center', width=100)

trv.column(3, anchor='center', width=100)

trv.column(4, anchor='center', width=100)

trv.column(5, anchor='center', width=100)

trv.heading(1, text='ID')

trv.heading(2, text='First Name')

trv.heading(3, text='Last Name')

trv.heading(4, text='Email')

trv.heading(5, text='Age')

# create a function to display data in treeview

def displayData():

for row in data:

trv.insert('',END, values=row)

displayData()

# create a function to display the selected row from treeview

def displaySelectedItem(a):

# clear entries

entry_id.delete(0,END)

entry_fname.delete(0,END)

entry_lname.delete(0,END)

entry_email.delete(0,END)

entry_age.delete(0,END)

selectedItem = trv.selection()[0]

entry_id.insert(0, trv.item(selectedItem)['values'][0])

entry_fname.insert(0, trv.item(selectedItem)['values'][1])

entry_lname.insert(0, trv.item(selectedItem)['values'][2])

entry_email.insert(0, trv.item(selectedItem)['values'][3])

entry_age.insert(0, trv.item(selectedItem)['values'][4])

trv.bind("<<TreeviewSelect>>", displaySelectedItem)

def add():

user_id = entry_id.get()

fname = entry_fname.get()

lname = entry_lname.get()

email = entry_email.get()

age = entry_age.get()

vals = (user_id, fname, lname, email, age)

trv.insert('', END, values=vals)

def edit():

user_id = entry_id.get()

fname = entry_fname.get()

lname = entry_lname.get()

email = entry_email.get()

age = entry_age.get()

selectedItem = trv.selection()[0]

vals = (user_id, fname, lname, email, age)

trv.item(selectedItem, values=vals)

def remove():

try:

selectedItem = trv.selection()[0]

trv.delete(selectedItem)

except:

print('Error')

btn_add['command'] = add

btn_edit['command'] = edit

btn_remove['command'] = remove

frame.grid(row=0, column=0)

label_id.grid(row=0, column=0, sticky='e')

entry_id.grid(row=0, column=1)

trv.grid(row=0, column=2, rowspan=5, padx=10, pady=10)

label_fname.grid(row=1, column=0, sticky='e')

entry_fname.grid(row=1, column=1)

label_lname.grid(row=2, column=0, sticky='e')

entry_lname.grid(row=2, column=1)

label_email.grid(row=3, column=0, sticky='e')

entry_email.grid(row=3, column=1)

label_age.grid(row=4, column=0, sticky='e')

entry_age.grid(row=4, column=1)

frame_btns.grid(row=5, column=0, columnspan=2)

btn_add.grid(row=0, column=0, padx=10, pady=10)

btn_edit.grid(row=0, column=1, padx=10, pady=10)

btn_remove.grid(row=0, column=2, padx=10, pady=10)

root.mainloop()

////// OUTPUT : 

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