In this video I’ll show you how to add a new record to the database with our treeview app using tkinter and Python.
Adding a record to the database is pretty straight forward, I’ll show you how to do it in this video.
After we add a new record, we want to clear the entry boxes and refresh the treeview to reflect the changes. To
do that we’ll clear the treeview completely and then requery the database and output the results back to the cleared treeview.
Python Code: treebase.py
(Github Code)
from tkinter import *
from tkinter import ttk
import sqlite3
root = Tk()
root.title('Codemy.com - TreeBase')
root.iconbitmap('c:/gui/codemy.ico')
root.geometry("1000x500")
# Add Fake Data
'''
data = [
["John", "Elder", 1, "123 Elder St.", "Las Vegas", "NV", "89137"],
["Mary", "Smith", 2, "435 West Lookout", "Chicago", "IL", "60610"],
["Tim", "Tanaka", 3, "246 Main St.", "New York", "NY", "12345"],
["Erin", "Erinton", 4, "333 Top Way.", "Los Angeles", "CA", "90210"],
["Bob", "Bobberly", 5, "876 Left St.", "Memphis", "TN", "34321"],
["Steve", "Smith", 6, "1234 Main St.", "Miami", "FL", "12321"],
["Tina", "Browne", 7, "654 Street Ave.", "Chicago", "IL", "60611"],
["Mark", "Lane", 8, "12 East St.", "Nashville", "TN", "54345"],
["John", "Smith", 9, "678 North Ave.", "St. Louis", "MO", "67821"],
["Mary", "Todd", 10, "9 Elder Way.", "Dallas", "TX", "88948"],
["John", "Lincoln", 11, "123 Elder St.", "Las Vegas", "NV", "89137"],
["Mary", "Bush", 12, "435 West Lookout", "Chicago", "IL", "60610"],
["Tim", "Reagan", 13, "246 Main St.", "New York", "NY", "12345"],
["Erin", "Smith", 14, "333 Top Way.", "Los Angeles", "CA", "90210"],
["Bob", "Field", 15, "876 Left St.", "Memphis", "TN", "34321"],
["Steve", "Target", 16, "1234 Main St.", "Miami", "FL", "12321"],
["Tina", "Walton", 17, "654 Street Ave.", "Chicago", "IL", "60611"],
["Mark", "Erendale", 18, "12 East St.", "Nashville", "TN", "54345"],
["John", "Nowerton", 19, "678 North Ave.", "St. Louis", "MO", "67821"],
["Mary", "Hornblower", 20, "9 Elder Way.", "Dallas", "TX", "88948"]
]
'''
# Do some database stuff
# Create a database or connect to one that exists
conn = sqlite3.connect('tree_crm.db')
# Create a cursor instance
c = conn.cursor()
# Create Table
c.execute("""CREATE TABLE if not exists customers (
first_name text,
last_name text,
id integer,
address text,
city text,
state text,
zipcode text)
""")
# Add dummy data to table
'''
for record in data:
c.execute("INSERT INTO customers VALUES (:first_name, :last_name, :id, :address, :city, :state, :zipcode)",
{
'first_name': record[0],
'last_name': record[1],
'id': record[2],
'address': record[3],
'city': record[4],
'state': record[5],
'zipcode': record[6]
}
)
'''
# Commit changes
conn.commit()
# Close our connection
conn.close()
def query_database():
# Create a database or connect to one that exists
conn = sqlite3.connect('tree_crm.db')
# Create a cursor instance
c = conn.cursor()
c.execute("SELECT rowid, * FROM customers")
records = c.fetchall()
# Add our data to the screen
global count
count = 0
#for record in records:
# print(record)
for record in records:
if count % 2 == 0:
my_tree.insert(parent='', index='end', iid=count, text='', values=(record[1], record[2], record[0], record[4], record[5], record[6], record[7]), tags=('evenrow',))
else:
my_tree.insert(parent='', index='end', iid=count, text='', values=(record[1], record[2], record[0], record[4], record[5], record[6], record[7]), tags=('oddrow',))
# increment counter
count += 1
# Commit changes
conn.commit()
# Close our connection
conn.close()
# Add Some Style
style = ttk.Style()
# Pick A Theme
style.theme_use('default')
# Configure the Treeview Colors
style.configure("Treeview",
background="#D3D3D3",
foreground="black",
rowheight=25,
fieldbackground="#D3D3D3")
# Change Selected Color
style.map('Treeview',
background=[('selected', "#347083")])
# Create a Treeview Frame
tree_frame = Frame(root)
tree_frame.pack(pady=10)
# Create a Treeview Scrollbar
tree_scroll = Scrollbar(tree_frame)
tree_scroll.pack(side=RIGHT, fill=Y)
# Create The Treeview
my_tree = ttk.Treeview(tree_frame, yscrollcommand=tree_scroll.set, selectmode="extended")
my_tree.pack()
# Configure the Scrollbar
tree_scroll.config(command=my_tree.yview)
# Define Our Columns
my_tree['columns'] = ("First Name", "Last Name", "ID", "Address", "City", "State", "Zipcode")
# Format Our Columns
my_tree.column("#0", width=0, stretch=NO)
my_tree.column("First Name", anchor=W, width=140)
my_tree.column("Last Name", anchor=W, width=140)
my_tree.column("ID", anchor=CENTER, width=100)
my_tree.column("Address", anchor=CENTER, width=140)
my_tree.column("City", anchor=CENTER, width=140)
my_tree.column("State", anchor=CENTER, width=140)
my_tree.column("Zipcode", anchor=CENTER, width=140)
# Create Headings
my_tree.heading("#0", text="", anchor=W)
my_tree.heading("First Name", text="First Name", anchor=W)
my_tree.heading("Last Name", text="Last Name", anchor=W)
my_tree.heading("ID", text="ID", anchor=CENTER)
my_tree.heading("Address", text="Address", anchor=CENTER)
my_tree.heading("City", text="City", anchor=CENTER)
my_tree.heading("State", text="State", anchor=CENTER)
my_tree.heading("Zipcode", text="Zipcode", anchor=CENTER)
# Create Striped Row Tags
my_tree.tag_configure('oddrow', background="white")
my_tree.tag_configure('evenrow', background="lightblue")
# Add Record Entry Boxes
data_frame = LabelFrame(root, text="Record")
data_frame.pack(fill="x", expand="yes", padx=20)
fn_label = Label(data_frame, text="First Name")
fn_label.grid(row=0, column=0, padx=10, pady=10)
fn_entry = Entry(data_frame)
fn_entry.grid(row=0, column=1, padx=10, pady=10)
ln_label = Label(data_frame, text="Last Name")
ln_label.grid(row=0, column=2, padx=10, pady=10)
ln_entry = Entry(data_frame)
ln_entry.grid(row=0, column=3, padx=10, pady=10)
id_label = Label(data_frame, text="ID")
id_label.grid(row=0, column=4, padx=10, pady=10)
id_entry = Entry(data_frame)
id_entry.grid(row=0, column=5, padx=10, pady=10)
address_label = Label(data_frame, text="Address")
address_label.grid(row=1, column=0, padx=10, pady=10)
address_entry = Entry(data_frame)
address_entry.grid(row=1, column=1, padx=10, pady=10)
city_label = Label(data_frame, text="City")
city_label.grid(row=1, column=2, padx=10, pady=10)
city_entry = Entry(data_frame)
city_entry.grid(row=1, column=3, padx=10, pady=10)
state_label = Label(data_frame, text="State")
state_label.grid(row=1, column=4, padx=10, pady=10)
state_entry = Entry(data_frame)
state_entry.grid(row=1, column=5, padx=10, pady=10)
zipcode_label = Label(data_frame, text="Zipcode")
zipcode_label.grid(row=1, column=6, padx=10, pady=10)
zipcode_entry = Entry(data_frame)
zipcode_entry.grid(row=1, column=7, padx=10, pady=10)
# Move Row Up
def up():
rows = my_tree.selection()
for row in rows:
my_tree.move(row, my_tree.parent(row), my_tree.index(row)-1)
# Move Rown Down
def down():
rows = my_tree.selection()
for row in reversed(rows):
my_tree.move(row, my_tree.parent(row), my_tree.index(row)+1)
# Remove one record
def remove_one():
x = my_tree.selection()[0]
my_tree.delete(x)
# Remove Many records
def remove_many():
x = my_tree.selection()
for record in x:
my_tree.delete(record)
# Remove all records
def remove_all():
for record in my_tree.get_children():
my_tree.delete(record)
# Clear entry boxes
def clear_entries():
# Clear entry boxes
fn_entry.delete(0, END)
ln_entry.delete(0, END)
id_entry.delete(0, END)
address_entry.delete(0, END)
city_entry.delete(0, END)
state_entry.delete(0, END)
zipcode_entry.delete(0, END)
# Select Record
def select_record(e):
# Clear entry boxes
fn_entry.delete(0, END)
ln_entry.delete(0, END)
id_entry.delete(0, END)
address_entry.delete(0, END)
city_entry.delete(0, END)
state_entry.delete(0, END)
zipcode_entry.delete(0, END)
# Grab record Number
selected = my_tree.focus()
# Grab record values
values = my_tree.item(selected, 'values')
# outpus to entry boxes
fn_entry.insert(0, values[0])
ln_entry.insert(0, values[1])
id_entry.insert(0, values[2])
address_entry.insert(0, values[3])
city_entry.insert(0, values[4])
state_entry.insert(0, values[5])
zipcode_entry.insert(0, values[6])
# Update record
def update_record():
# Grab the record number
selected = my_tree.focus()
# Update record
my_tree.item(selected, text="", values=(fn_entry.get(), ln_entry.get(), id_entry.get(), address_entry.get(), city_entry.get(), state_entry.get(), zipcode_entry.get(),))
# Update the database
# Create a database or connect to one that exists
conn = sqlite3.connect('tree_crm.db')
# Create a cursor instance
c = conn.cursor()
c.execute("""UPDATE customers SET
first_name = :first,
last_name = :last,
address = :address,
city = :city,
state = :state,
zipcode = :zipcode
WHERE oid = :oid""",
{
'first': fn_entry.get(),
'last': ln_entry.get(),
'address': address_entry.get(),
'city': city_entry.get(),
'state': state_entry.get(),
'zipcode': zipcode_entry.get(),
'oid': id_entry.get(),
})
# Commit changes
conn.commit()
# Close our connection
conn.close()
# Clear entry boxes
fn_entry.delete(0, END)
ln_entry.delete(0, END)
id_entry.delete(0, END)
address_entry.delete(0, END)
city_entry.delete(0, END)
state_entry.delete(0, END)
zipcode_entry.delete(0, END)
# add new record to database
def add_record():
# Update the database
# Create a database or connect to one that exists
conn = sqlite3.connect('tree_crm.db')
# Create a cursor instance
c = conn.cursor()
# Add New Record
c.execute("INSERT INTO customers VALUES (:first, :last, :id, :address, :city, :state, :zipcode)",
{
'first': fn_entry.get(),
'last': ln_entry.get(),
'id': id_entry.get(),
'address': address_entry.get(),
'city': city_entry.get(),
'state': state_entry.get(),
'zipcode': zipcode_entry.get(),
})
# Commit changes
conn.commit()
# Close our connection
conn.close()
# Clear entry boxes
fn_entry.delete(0, END)
ln_entry.delete(0, END)
id_entry.delete(0, END)
address_entry.delete(0, END)
city_entry.delete(0, END)
state_entry.delete(0, END)
zipcode_entry.delete(0, END)
# Clear The Treeview Table
my_tree.delete(*my_tree.get_children())
# Run to pull data from database on start
query_database()
# Add Buttons
button_frame = LabelFrame(root, text="Commands")
button_frame.pack(fill="x", expand="yes", padx=20)
update_button = Button(button_frame, text="Update Record", command=update_record)
update_button.grid(row=0, column=0, padx=10, pady=10)
add_button = Button(button_frame, text="Add Record", command=add_record)
add_button.grid(row=0, column=1, padx=10, pady=10)
remove_all_button = Button(button_frame, text="Remove All Records", command=remove_all)
remove_all_button.grid(row=0, column=2, padx=10, pady=10)
remove_one_button = Button(button_frame, text="Remove One Selected", command=remove_one)
remove_one_button.grid(row=0, column=3, padx=10, pady=10)
remove_many_button = Button(button_frame, text="Remove Many Selected", command=remove_many)
remove_many_button.grid(row=0, column=4, padx=10, pady=10)
move_up_button = Button(button_frame, text="Move Up", command=up)
move_up_button.grid(row=0, column=5, padx=10, pady=10)
move_down_button = Button(button_frame, text="Move Down", command=down)
move_down_button.grid(row=0, column=6, padx=10, pady=10)
select_record_button = Button(button_frame, text="Clear Entry Boxes", command=clear_entries)
select_record_button.grid(row=0, column=7, padx=10, pady=10)
# Bind the treeview
my_tree.bind("", select_record)
# Run to pull data from database on start
query_database()
root.mainloop()

C:\sqlite\k1\venv\Scripts\python.exe C:/sqlite/treev1.py
Traceback (most recent call last):
File “C:\sqlite\treev1.py”, line 406, in
my_tree.bind(“”, select_record)
File “C:\Users\k.shalabi\AppData\Local\Programs\Python\Python310\lib\tkinter\__init__.py”, line 1421, in bind
return self._bind((‘bind’, self._w), sequence, func, add)
File “C:\Users\k.shalabi\AppData\Local\Programs\Python\Python310\lib\tkinter\__init__.py”, line 1375, in _bind
self.tk.call(what + (sequence, cmd))
_tkinter.TclError: no events specified in binding
Process finished with exit code 1
I received the above message. Can you help please?
Did you forget to pass the event to the function?