Hi, I have to create a GUI that can retrieve stored information about students. I am pretty new to Python and Tkinter and very new to SQLite3. I am very very close, but I can not get my treeview to work. I have tried everything I can think of and have watched numerous videos online. I am wanting to display the stored data in a list-like format. The only thing I can think of is a treeview widget. Here is my code
from tkinter import *
from tkinter import ttk
import tkinter.messagebox
import sqlite3
conn = sqlite3.connect('database.db')
c = conn.cursor()
class Application:
def __init__(self, master):
self.master = master
# heading label
self.heading = Label(master, text="Update Student Info", fg='green', font=('broadway 40 bold'))
self.heading.place(x=150, y=0)
# search criteria -->name
self.name = Label(master, text="Enter Student's Name", font=('arial 18 bold'))
self.name.place(x=0, y=60)
# entry for the name
self.namenet = Entry(master, width=30)
self.namenet.place(x=280, y=62)
# search button
self.search = Button(master, text="Search", width=12, height=1, bg='green', command=self.search_db)
self.search.place(x=350, y=102)
#report button
self.search = Button(master, text="View Report", width=12, height=1, bg='green', command = self.new_window)
self.search.place(x=900, y=102)
# function to search
def search_db(self):
self.input = self.namenet.get()
# execute sql
sql = "SELECT * FROM records WHERE name LIKE ?"
self.res = c.execute(sql, (self.input,))
for self.row in self.res:
self.name1 = self.row[1]
self.school = self.row[2]
self.grade = self.row[3]
self.checkoutdate = self.row[6]
self.ebookname = self.row[4]
self.bookcode = self.row[5]
# creating the update form
self.uname = Label(self.master, text="Student's Name", font=('arial 18 bold'))
self.uname.place(x=0, y=140)
self.uschool = Label(self.master, text="School", font=('arial 18 bold'))
self.uschool.place(x=0, y=220)
self.ugrade = Label(self.master, text="Grade", font=('arial 18 bold'))
self.ugrade.place(x=0, y=180)
self.ucheckoutdate = Label(self.master, text="Checkout Date", font=('arial 18 bold'))
self.ucheckoutdate.place(x=0, y=340)
self.uebookname = Label(self.master, text="eBook Name", font=('arial 18 bold'))
self.uebookname.place(x=0, y=260)
self.ubookcode = Label(self.master, text="eBook Code", font=('arial 18 bold'))
self.ubookcode.place(x=0, y=300)
# entries for each labels==========================================================
# ===================filling the search result in the entry box to update
self.ent1 = Entry(self.master, width=30)
self.ent1.place(x=300, y=140)
self.ent1.insert(END, str(self.name1))
self.ent2 = Entry(self.master, width=30)
self.ent2.place(x=300, y=180)
self.ent2.insert(END, str(self.school))
self.ent3 = Entry(self.master, width=30)
self.ent3.place(x=300, y=220)
self.ent3.insert(END, str(self.grade))
self.ent4 = Entry(self.master, width=30)
self.ent4.place(x=300, y=340)
self.ent4.insert(END, str(self.checkoutdate))
self.ent5 = Entry(self.master, width=30)
self.ent5.place(x=300, y=260)
self.ent5.insert(END, str(self.ebookname))
self.ent6 = Entry(self.master, width=30)
self.ent6.place(x=300, y=300)
self.ent6.insert(END, str(self.bookcode))
# button to execute update
self.update = Button(self.master, text="Update", width=20, height=2, bg='lightblue', command=self.update_db)
self.update.place(x=400, y=380)
# button to delete
self.delete = Button(self.master, text="Delete", width=20, height=2, bg='red', command=self.delete_db)
self.delete.place(x=150, y=380)
def update_db(self):
# declaring the variables to update
self.var1 = self.ent1.get() #updated name
self.var2 = self.ent2.get() #updated school
self.var3 = self.ent3.get() #updated grade
self.var4 = self.ent4.get() #updated checkoutdate
self.var5 = self.ent5.get() #updated bookcode
self.var6 = self.ent6.get() #updated ebookname
query = "UPDATE records SET name=?, grade=?, school=?, ebookname=?, bookcode=?, checkoutdate=? WHERE name LIKE ?"
c.execute(query, (self.var1, self.var2, self.var3, self.var4, self.var5, self.var6, self.namenet.get(),))
conn.commit()
tkinter.messagebox.showinfo("Updated", "Successfully Updated.")
def delete_db(self):
# delete the appointment
sql2 = "DELETE FROM records WHERE name LIKE ?"
c.execute(sql2, (self.namenet.get(),))
conn.commit()
tkinter.messagebox.showinfo("Success", "Deleted Successfully")
self.ent1.destroy()
self.ent2.destroy()
self.ent3.destroy()
self.ent4.destroy()
self.ent5.destroy()
self.ent6.destroy()
def new_window(self):
win2 = Toplevel()
message = "Weekly Report"
Label(win2, text=message).pack()
element_header=['1st','2nd','3rd','4th','5th','6th']
treeScroll = ttk.Scrollbar(win2)
treeScroll.pack(side=RIGHT, fill=Y)
tree = ttk.Treeview(win2,columns=element_header,show = "headings", yscrollcommand = treeScroll)
tree.heading("1st", text="Name")
tree.heading("2nd", text="Grade")
tree.heading("3rd", text="School")
tree.heading("4th", text="Book Name")
tree.heading("5th", text="Book Code")
tree.heading("6th", text="Checkout Date")
tree.pack(side=LEFT, fill=BOTH)
treeScroll.config(command=tree.yview)
root = Tk()
b = Application(root)
root.geometry("1200x720+0+0")
root.resizable(False, False)
root.mainloop()Any help would be appriciated
