Hello,
I'm trying to display my database on my TableWidgetItem in PyQt.
This is a snippet of my SQLite part of the code:
Any help would be greatly appreciated.
Thanks in advance.
Here's my full script right now:
I'm trying to display my database on my TableWidgetItem in PyQt.
This is a snippet of my SQLite part of the code:
#--------------------------------------------------------------------- self.loaddata() def loaddata(self): connection = sqlite3.connect("inventory.db") cursor = connection.cursor() cursor.execute('select * from items') tablerow=0 results = cursor.fetchall() self.tableWidget.setRowCount(40) for row in results: self.tableWidget.setItem(tablerow, 0, QtWidgets.QTableWidgetItem(row[0])) self.tableWidget.setItem(tablerow, 1, QtWidgets.QTableWidgetItem(row[1])) self.tableWidget.setItem(tablerow, 2, QtWidgets.QTableWidgetItem(row[2])) tablerow+=1 connection.close() #---------------------------------------------------------------------But when I try to run my full script (shown below) I get an error saying there's no such table called 'items' (which is wrong because I already created the table and have some info loaded on it):
Error:line 227, in loaddata
cursor.execute('select * from items')
sqlite3.OperationalError: no such table: items
Am I displaying my SQLite database to my GUI properly? How Do I fix this error?Any help would be greatly appreciated.
Thanks in advance.
Here's my full script right now:
import sys from PyQt5 import QtWidgets from PyQt5.QtWidgets import (QApplication, QWidget, QPushButton, QMainWindow, QLabel, QLineEdit, QTableWidget, QTableWidgetItem, QGridLayout, QVBoxLayout, QSizePolicy, QSpacerItem) from PyQt5.QtCore import Qt, QMetaObject, QCoreApplication from PyQt5.QtGui import QFont import sqlite3 class Ui_MainDisplay(QMainWindow): def __init__(self, parent = None): super(Ui_MainDisplay, self).__init__(parent) self.setObjectName("MainDisplay") self.setGeometry(0, 0, 1123, 903) self.setStyleSheet("background-color: rgb(0, 170, 255);") self.centralwidget = QWidget(self) self.centralwidget.setObjectName("centralwidget") self.gridLayout = QGridLayout(self.centralwidget) self.gridLayout.setObjectName("gridLayout") self.verticalLayout = QVBoxLayout() self.verticalLayout.setContentsMargins(-1, 0, -1, 0) self.verticalLayout.setSpacing(6) self.verticalLayout.setObjectName("verticalLayout") self.AddItemButton = QPushButton(self.centralwidget) font = QFont() font.setPointSize(10) font.setBold(True) font.setWeight(75) self.AddItemButton.setFont(font) self.AddItemButton.setStyleSheet("background-color: rgb(85, 255, 0);\n" "border-style: outset;\n" "border-width: 2px;\n" "border-radius: 15px;\n" "border-color: black;\n" "padding: 4px;\n" "\n" "") self.AddItemButton.setObjectName("AddItemButton") self.verticalLayout.addWidget(self.AddItemButton) self.DeleteItemButton = QPushButton(self.centralwidget) font = QFont() font.setPointSize(10) font.setBold(True) font.setWeight(75) self.DeleteItemButton.setFont(font) self.DeleteItemButton.setStyleSheet("background-color: rgb(255, 65, 68);\n" "border-style: outset;\n" "border-width: 2px;\n" "border-radius: 15px;\n" "border-color: black;\n" "padding: 4px;\n" "") self.DeleteItemButton.setObjectName("DeleteItemButton") self.verticalLayout.addWidget(self.DeleteItemButton) self.CheckoutButton = QPushButton(self.centralwidget) font = QFont() font.setPointSize(10) font.setBold(True) font.setWeight(75) self.CheckoutButton.setFont(font) self.CheckoutButton.setStyleSheet("background-color: rgb(255, 255, 0);\n" "border-style: outset;\n" "border-width: 2px;\n" "border-radius: 15px;\n" "border-color: black;\n" "padding: 4px;\n" "") self.CheckoutButton.setObjectName("CheckoutButton") self.verticalLayout.addWidget(self.CheckoutButton) self.ReturnButton = QPushButton(self.centralwidget) font = QFont() font.setPointSize(10) font.setBold(True) font.setWeight(75) self.ReturnButton.setFont(font) self.ReturnButton.setStyleSheet("background-color: rgb(255, 170, 32);\n" "border-style: outset;\n" "border-width: 2px;\n" "border-radius: 15px;\n" "border-color: black;\n" "padding: 4px;\n" "") self.ReturnButton.setObjectName("ReturnButton") self.verticalLayout.addWidget(self.ReturnButton) self.ScanBarcodeButton = QPushButton(self.centralwidget) font = QFont() font.setPointSize(10) font.setBold(True) font.setWeight(75) self.ScanBarcodeButton.setFont(font) self.ScanBarcodeButton.setStyleSheet("background-color: rgb(211, 211, 211);\n" "border-style: outset;\n" "border-width: 2px;\n" "border-radius: 15px;\n" "border-color: black;\n" "padding: 4px;\n" "") self.ScanBarcodeButton.setObjectName("ScanBarcodeButton") self.verticalLayout.addWidget(self.ScanBarcodeButton) self.MoreInfoButton = QPushButton(self.centralwidget) font = QFont() font.setPointSize(10) font.setBold(True) font.setWeight(75) self.MoreInfoButton.setFont(font) self.MoreInfoButton.setStyleSheet("background-color: rgb(196, 17, 255);\n" "border-style: outset;\n" "border-width: 2px;\n" "border-radius: 15px;\n" "border-color: black;\n" "padding: 4px;") self.MoreInfoButton.setObjectName("MoreInfoButton") self.verticalLayout.addWidget(self.MoreInfoButton) self.RefreshButton = QPushButton(self.centralwidget) font = QFont() font.setPointSize(10) font.setBold(True) font.setWeight(75) self.RefreshButton.setFont(font) self.RefreshButton.setStyleSheet("background-color: rgb(0, 255, 255);\n" "border-style: outset;\n" "border-width: 2px;\n" "border-radius: 15px;\n" "border-color: black;\n" "padding: 4px;\n" "\n" "") self.RefreshButton.setObjectName("RefreshButton") self.verticalLayout.addWidget(self.RefreshButton) spacerItem = QSpacerItem(20, 40, QSizePolicy.Policy.Minimum, QSizePolicy.Policy.Expanding) self.verticalLayout.addItem(spacerItem) self.LogoutButton = QPushButton(self.centralwidget) font = QFont() font.setPointSize(10) font.setBold(True) font.setWeight(75) self.LogoutButton.setFont(font) self.LogoutButton.setStyleSheet("background-color: rgb(255, 255, 255);\n" "border-style: outset;\n" "border-width: 2px;\n" "border-radius: 15px;\n" "border-color: black;\n" "padding: 4px;\n" "") self.LogoutButton.setObjectName("LogoutButton") self.verticalLayout.addWidget(self.LogoutButton) self.gridLayout.addLayout(self.verticalLayout, 4, 3, 1, 1) self.Header = QLabel(self.centralwidget) font = QFont() font.setPointSize(15) font.setBold(True) font.setWeight(75) self.Header.setFont(font) self.Header.setStyleSheet("background-color: rgb(0, 0, 0);\n" "color: rgb(255, 255, 255);\n" "border-style: outset;\n" "border-width: 2px;\n" "border-radius: 15px;\n" "border-color: black;\n" "padding: 4px;") self.Header.setAlignment(Qt.AlignmentFlag.AlignCenter) self.Header.setObjectName("Header") self.gridLayout.addWidget(self.Header, 0, 1, 1, 3) self.SearchButton = QPushButton(self.centralwidget) font = QFont() font.setPointSize(10) font.setBold(True) font.setWeight(75) self.SearchButton.setFont(font) self.SearchButton.setStyleSheet("background-color: rgb(211, 211, 211);\n" "border-style: outset;\n" "border-width: 2px;\n" "border-radius: 15px;\n" "border-color: black;\n" "padding: 4px;\n" "") self.SearchButton.setObjectName("SearchButton") self.gridLayout.addWidget(self.SearchButton, 2, 1, 1, 1) self.SearchBar = QLineEdit(self.centralwidget) self.SearchBar.setStyleSheet("background-color: rgb(255, 255, 255);") self.SearchBar.setObjectName("SearchBar") self.gridLayout.addWidget(self.SearchBar, 2, 2, 1, 1) self.InventoryDisplay = QTableWidget(self.centralwidget) font = QFont() font.setBold(False) font.setWeight(50) self.InventoryDisplay.setFont(font) self.InventoryDisplay.setStyleSheet("background-color: rgb(255, 255, 255);\n" "") self.InventoryDisplay.setObjectName("InventoryDisplay") self.InventoryDisplay.setColumnCount(11) self.InventoryDisplay.setRowCount(0) item = QTableWidgetItem() self.InventoryDisplay.setHorizontalHeaderItem(0, item) item = QTableWidgetItem() self.InventoryDisplay.setHorizontalHeaderItem(1, item) item = QTableWidgetItem() self.InventoryDisplay.setHorizontalHeaderItem(2, item) item = QTableWidgetItem() self.InventoryDisplay.setHorizontalHeaderItem(3, item) item = QTableWidgetItem() self.InventoryDisplay.setHorizontalHeaderItem(4, item) item = QTableWidgetItem() self.InventoryDisplay.setHorizontalHeaderItem(5, item) item = QTableWidgetItem() self.InventoryDisplay.setHorizontalHeaderItem(6, item) item = QTableWidgetItem() self.InventoryDisplay.setHorizontalHeaderItem(7, item) item = QTableWidgetItem() self.InventoryDisplay.setHorizontalHeaderItem(8, item) item = QTableWidgetItem() self.InventoryDisplay.setHorizontalHeaderItem(9, item) item = QTableWidgetItem() self.InventoryDisplay.setHorizontalHeaderItem(10, item) self.gridLayout.addWidget(self.InventoryDisplay, 4, 1, 1, 2) self.setCentralWidget(self.centralwidget) self.statusbar = self.statusBar() self.statusbar.setObjectName("statusbar") #self.setStatusBar(self.statusbar) #--------------------------------------------------------------------- self.loaddata() def loaddata(self): connection = sqlite3.connect("inventory.db") cursor = connection.cursor() cursor.execute('select * from items') tablerow=0 results = cursor.fetchall() self.tableWidget.setRowCount(40) for row in results: self.tableWidget.setItem(tablerow, 0, QtWidgets.QTableWidgetItem(row[0])) self.tableWidget.setItem(tablerow, 1, QtWidgets.QTableWidgetItem(row[1])) self.tableWidget.setItem(tablerow, 2, QtWidgets.QTableWidgetItem(row[2])) tablerow+=1 connection.close() #--------------------------------------------------------------------- self.retranslateUi(self) QMetaObject.connectSlotsByName(self) def retranslateUi(self, MainDisplay): _translate = QCoreApplication.translate self.setWindowTitle(_translate("MainDisplay", "AdminMenu")) self.AddItemButton.setText(_translate("MainDisplay", "Add Item")) self.DeleteItemButton.setText(_translate("MainDisplay", "Delete Item")) self.CheckoutButton.setText(_translate("MainDisplay", "Check Out")) self.ReturnButton.setText(_translate("MainDisplay", "Return")) self.ScanBarcodeButton.setText(_translate("MainDisplay", "Scan Barcode")) self.MoreInfoButton.setText(_translate("MainDisplay", "More Info")) self.RefreshButton.setText(_translate("MainDisplay", "Refresh")) self.LogoutButton.setText(_translate("MainDisplay", "Log Out")) self.Header.setText(_translate("MainDisplay", "Admin Menu")) self.SearchButton.setText(_translate("MainDisplay", "Search")) item = self.InventoryDisplay.horizontalHeaderItem(0) item.setText(_translate("MainDisplay", "ID")) item = self.InventoryDisplay.horizontalHeaderItem(1) item.setText(_translate("MainDisplay", "Name")) item = self.InventoryDisplay.horizontalHeaderItem(2) item.setText(_translate("MainDisplay", "Quantity")) item = self.InventoryDisplay.horizontalHeaderItem(3) item.setText(_translate("MainDisplay", "Price ($)")) item = self.InventoryDisplay.horizontalHeaderItem(4) item.setText(_translate("MainDisplay", "Sell Price ($)")) item = self.InventoryDisplay.horizontalHeaderItem(5) item.setText(_translate("MainDisplay", "Description")) item = self.InventoryDisplay.horizontalHeaderItem(6) item.setText(_translate("MainDisplay", "Category")) item = self.InventoryDisplay.horizontalHeaderItem(7) item.setText(_translate("MainDisplay", "Location")) item = self.InventoryDisplay.horizontalHeaderItem(8) item.setText(_translate("MainDisplay", "Length (Ft)")) item = self.InventoryDisplay.horizontalHeaderItem(9) item.setText(_translate("MainDisplay", "Barcode #")) item = self.InventoryDisplay.horizontalHeaderItem(10) item.setText(_translate("MainDisplay", "Date Updated")) #---------------------------------------------------------------------------------------------------- # Button Actions #---------------------------------------------------------------------------------------------------- #------------------------------------------ #Logout Button #------------------------------------------ #When the Logout button is clicked -> LogoutClicked Function LogoutButton = self.LogoutButton LogoutButton.clicked.connect(self.LogoutClicked) #------------------------------------------ #------------------------------------------ #Add Item Button #------------------------------------------ #When the AddItem button is clicked -> AddItem Function AddItemButton = self.AddItemButton AddItemButton.clicked.connect(self.AddItemClicked) #------------------------------------------ #------------------------------------------ #Remove Item Button #------------------------------------------ #When the RemoveItem button is clicked -> RemoveItem Function RemoveItemButton = self.DeleteItemButton RemoveItemButton.clicked.connect(self.RemoveItemClicked) #------------------------------------------ #------------------------------------------ #Checkout Item Button #------------------------------------------ #When the Checkout button is clicked -> Checkout Function CheckoutButton = self.CheckoutButton CheckoutButton.clicked.connect(self.CheckoutClicked) #------------------------------------------ #------------------------------------------ #Return Item Button #------------------------------------------ #When the Return button is clicked -> Return Function ReturnButton = self.ReturnButton ReturnButton.clicked.connect(self.ReturnClicked) #------------------------------------------ #------------------------------------------ #Scan Barcode Button #------------------------------------------ #When the Scan Barcode button is clicked -> ScanBarcode Function ScanBarcodeButton = self.ScanBarcodeButton ScanBarcodeButton.clicked.connect(self.ScanBarcodeClicked) #------------------------------------------ #------------------------------------------ #More Info Button #------------------------------------------ #When the More Info button is clicked -> MoreInfo Function MoreInfoButton = self.MoreInfoButton MoreInfoButton.clicked.connect(self.MoreInfoClicked) #------------------------------------------ #------------------------------------------ #Refresh Button #------------------------------------------ #When the More Info button is clicked -> MoreInfo Function RefreshButton = self.RefreshButton RefreshButton.clicked.connect(self.RefreshClicked) #------------------------------------------ #------------------------------------------ #Search Button #------------------------------------------ #When the More Info button is clicked -> MoreInfo Function SearchButton = self.SearchButton SearchButton.clicked.connect(self.SearchClicked) #------------------------------------------ #---------------------------------- #Logout Function def LogoutClicked(self): #Print in terminal for testing: print("The Logout Button was clicked") #Switch from this screen to the LoginScreen #(Import LoginScreen here to prevent circular import error) from LoginScreen import Ui_Loginscreen self.win = Ui_Loginscreen() #Define LoginScreen self.win.show() #Show Login Screen self.close() #Close this screen (AdminMenu) #---------------------------------- #---------------------------------- #AddItem Function def AddItemClicked(self): #Print in terminal for testing: print("The Add Item Button was clicked") #---------------------------------- #---------------------------------- #RemoveItem Function def RemoveItemClicked(self): #Print in terminal for testing: print("The Delete Item Button was clicked") #---------------------------------- #---------------------------------- #Checkout Function def CheckoutClicked(self): #Print in terminal for testing: print("The Checkout Button was clicked") #---------------------------------- #---------------------------------- #Return Function def ReturnClicked(self): #Print in terminal for testing: print("The Return Button was clicked") #---------------------------------- #---------------------------------- #ScanBarcode Function def ScanBarcodeClicked(self): #Print in terminal for testing: print("The Scan Barcode Button was clicked") #---------------------------------- #---------------------------------- #MoreInfo Function def MoreInfoClicked(self): #Print in terminal for testing: print("The More Info Button was clicked") #---------------------------------- #---------------------------------- #Refresh Function def RefreshClicked(self): #Print in terminal for testing: print("The Refresh Button was clicked") #---------------------------------- #---------------------------------- #Search Function def SearchClicked(self): #Print in terminal for testing: print("The Search Button was clicked") #---------------------------------- #---------------------------------------------------------------------------------------------------- if __name__ == '__main__': app = QApplication(sys.argv) win = Ui_MainDisplay() win.show() sys.exit(app.exec_())