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Section-04 Completed
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‎Section-04/04 Search Data From Database with UI-04.py

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# Form implementation generated from reading ui file 'SearchData.ui'
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#
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# Created by: PyQt6 UI code generator 6.4.2
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#
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# WARNING: Any manual changes made to this file will be lost when pyuic6 is
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# run again. Do not edit this file unless you know what you are doing.
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from PyQt6 import QtCore, QtGui, QtWidgets
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import mysql.connector as mc
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class Ui_Form(object):
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def setupUi(self, Form):
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Form.setObjectName("Form")
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Form.resize(500, 450)
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self.formLayout = QtWidgets.QFormLayout(Form)
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self.formLayout.setObjectName("formLayout")
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self.label = QtWidgets.QLabel(parent=Form)
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font = QtGui.QFont()
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font.setPointSize(12)
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font.setBold(True)
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self.label.setFont(font)
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self.label.setAlignment(QtCore.Qt.AlignmentFlag.AlignCenter)
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self.label.setObjectName("label")
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self.formLayout.setWidget(0, QtWidgets.QFormLayout.ItemRole.SpanningRole, self.label)
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self.label_dbname = QtWidgets.QLabel(parent=Form)
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font = QtGui.QFont()
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font.setBold(True)
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self.label_dbname.setFont(font)
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self.label_dbname.setObjectName("label_dbname")
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self.formLayout.setWidget(1, QtWidgets.QFormLayout.ItemRole.LabelRole, self.label_dbname)
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self.lineEdit_dbname = QtWidgets.QLineEdit(parent=Form)
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self.lineEdit_dbname.setObjectName("lineEdit_dbname")
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self.formLayout.setWidget(1, QtWidgets.QFormLayout.ItemRole.FieldRole, self.lineEdit_dbname)
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spacerItem = QtWidgets.QSpacerItem(20, 10, QtWidgets.QSizePolicy.Policy.Minimum, QtWidgets.QSizePolicy.Policy.Fixed)
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self.formLayout.setItem(2, QtWidgets.QFormLayout.ItemRole.FieldRole, spacerItem)
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self.label_tblname = QtWidgets.QLabel(parent=Form)
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font = QtGui.QFont()
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font.setBold(True)
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self.label_tblname.setFont(font)
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self.label_tblname.setObjectName("label_tblname")
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self.formLayout.setWidget(3, QtWidgets.QFormLayout.ItemRole.LabelRole, self.label_tblname)
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self.lineEdit_tblname = QtWidgets.QLineEdit(parent=Form)
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self.lineEdit_tblname.setObjectName("lineEdit_tblname")
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self.formLayout.setWidget(3, QtWidgets.QFormLayout.ItemRole.FieldRole, self.lineEdit_tblname)
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spacerItem1 = QtWidgets.QSpacerItem(20, 10, QtWidgets.QSizePolicy.Policy.Minimum, QtWidgets.QSizePolicy.Policy.Fixed)
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self.formLayout.setItem(4, QtWidgets.QFormLayout.ItemRole.FieldRole, spacerItem1)
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self.label_username = QtWidgets.QLabel(parent=Form)
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font = QtGui.QFont()
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font.setBold(True)
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self.label_username.setFont(font)
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self.label_username.setObjectName("label_username")
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self.formLayout.setWidget(5, QtWidgets.QFormLayout.ItemRole.LabelRole, self.label_username)
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self.lineEdit_username = QtWidgets.QLineEdit(parent=Form)
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self.lineEdit_username.setObjectName("lineEdit_username")
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self.formLayout.setWidget(5, QtWidgets.QFormLayout.ItemRole.FieldRole, self.lineEdit_username)
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spacerItem2 = QtWidgets.QSpacerItem(0, 10, QtWidgets.QSizePolicy.Policy.Minimum, QtWidgets.QSizePolicy.Policy.Fixed)
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self.formLayout.setItem(6, QtWidgets.QFormLayout.ItemRole.FieldRole, spacerItem2)
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self.pushButton_search = QtWidgets.QPushButton(parent=Form)
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#connect signal
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self.pushButton_search.clicked.connect(self.search_data)
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self.pushButton_search.setObjectName("pushButton_search")
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self.formLayout.setWidget(7, QtWidgets.QFormLayout.ItemRole.FieldRole, self.pushButton_search)
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self.label_password = QtWidgets.QLabel(parent=Form)
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font = QtGui.QFont()
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font.setBold(True)
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self.label_password.setFont(font)
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self.label_password.setObjectName("label_password")
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self.formLayout.setWidget(8, QtWidgets.QFormLayout.ItemRole.LabelRole, self.label_password)
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self.lineEdit_password = QtWidgets.QLineEdit(parent=Form)
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self.lineEdit_password.setObjectName("lineEdit_password")
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self.formLayout.setWidget(8, QtWidgets.QFormLayout.ItemRole.FieldRole, self.lineEdit_password)
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self.label_result = QtWidgets.QLabel(parent=Form)
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font = QtGui.QFont()
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font.setBold(True)
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self.label_result.setFont(font)
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self.label_result.setText("")
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self.label_result.setObjectName("label_result")
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self.formLayout.setWidget(9, QtWidgets.QFormLayout.ItemRole.SpanningRole, self.label_result)
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self.retranslateUi(Form)
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QtCore.QMetaObject.connectSlotsByName(Form)
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def search_data(self):
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dbname = self.lineEdit_dbname.text() # Get the text from the line edit widget
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try:
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mydb = mc.connect(
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host="localhost",
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user="root",
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password="",
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database=dbname
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)
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query = "SELECT password FROM " + self.lineEdit_tblname.text() + " where username like '" + self.lineEdit_username.text() + "'"
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mycursor = mydb.cursor()
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mycursor.execute(query)
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row = mycursor.fetchone()
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if row is None:
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self.label_result.setText("No user found with this username")
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self.label_result.setStyleSheet("color: red")
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self.lineEdit_password.setText("")
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else:
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self.label_result.setText("Username has been found")
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self.label_result.setStyleSheet("color: green")
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self.lineEdit_password.setText(row[0])
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except mc.Error as e:
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self.label_result.setText("Error in connection")
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self.label_result.setStyleSheet("color: red")
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def retranslateUi(self, Form):
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_translate = QtCore.QCoreApplication.translate
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Form.setWindowTitle(_translate("Form", "Form"))
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self.label.setText(_translate("Form", "Search Data from Database"))
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self.label_dbname.setText(_translate("Form", "Database Name"))
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self.label_tblname.setText(_translate("Form", "Table Name"))
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self.label_username.setText(_translate("Form", "User Name"))
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self.pushButton_search.setText(_translate("Form", "Search Data"))
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self.label_password.setText(_translate("Form", "Password"))
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if __name__ == "__main__":
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import sys
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app = QtWidgets.QApplication(sys.argv)
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Form = QtWidgets.QWidget()
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ui = Ui_Form()
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ui.setupUi(Form)
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Form.show()
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sys.exit(app.exec())

‎Section-04/SimpleLogin.py renamed to ‎Section-04/05 Simple Login Using MySQL with UI-05.py

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‎Section-04/SearchData.ui

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‎Section-04/UI-04 SearchData.ui

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<?xml version="1.0" encoding="UTF-8"?>
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<ui version="4.0">
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<class>Form</class>
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<widget class="QWidget" name="Form">
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<property name="geometry">
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<rect>
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<x>0</x>
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<y>0</y>
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<width>500</width>
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<height>450</height>
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</rect>
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</property>
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<property name="windowTitle">
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<string>Form</string>
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</property>
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<layout class="QFormLayout" name="formLayout">
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<item row="0" column="0" colspan="2">
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<widget class="QLabel" name="label">
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<property name="font">
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<font>
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<pointsize>12</pointsize>
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<bold>true</bold>
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</font>
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</property>
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<property name="text">
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<string>Search Data from Database</string>
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</property>
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<property name="alignment">
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<set>Qt::AlignCenter</set>
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</property>
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</widget>
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</item>
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<item row="1" column="0">
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<widget class="QLabel" name="label_dbname">
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<property name="font">
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<font>
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<bold>true</bold>
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</font>
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</property>
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<property name="text">
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<string>Database Name</string>
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</property>
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</widget>
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</item>
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<item row="1" column="1">
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<widget class="QLineEdit" name="lineEdit_dbname"/>
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</item>
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<item row="2" column="1">
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<spacer name="verticalSpacer">
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<property name="orientation">
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<enum>Qt::Vertical</enum>
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</property>
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<property name="sizeType">
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<enum>QSizePolicy::Fixed</enum>
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</property>
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<property name="sizeHint" stdset="0">
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<size>
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<width>20</width>
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<height>10</height>
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</size>
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</property>
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</spacer>
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</item>
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<item row="3" column="0">
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<widget class="QLabel" name="label_tblname">
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<property name="font">
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<font>
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<bold>true</bold>
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</font>
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</property>
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<property name="text">
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<string>Table Name</string>
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</property>
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</widget>
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</item>
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<item row="3" column="1">
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<widget class="QLineEdit" name="lineEdit_tblname"/>
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</item>
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<item row="4" column="1">
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<spacer name="verticalSpacer_2">
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<property name="orientation">
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<enum>Qt::Vertical</enum>
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</property>
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<property name="sizeType">
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<enum>QSizePolicy::Fixed</enum>
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</property>
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<property name="sizeHint" stdset="0">
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<size>
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<width>20</width>
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<height>10</height>
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</size>
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</property>
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</spacer>
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</item>
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<item row="5" column="0">
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<widget class="QLabel" name="label_username">
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<property name="font">
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<font>
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<bold>true</bold>
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</font>
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</property>
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<property name="text">
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<string>User Name</string>
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</property>
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</widget>
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</item>
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<item row="5" column="1">
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<widget class="QLineEdit" name="lineEdit_username"/>
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</item>
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<item row="6" column="1">
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<spacer name="verticalSpacer_6">
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<property name="orientation">
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<enum>Qt::Vertical</enum>
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</property>
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<property name="sizeType">
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<enum>QSizePolicy::Fixed</enum>
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</property>
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<property name="sizeHint" stdset="0">
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<size>
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<width>0</width>
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<height>10</height>
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</size>
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</property>
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</spacer>
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</item>
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<item row="7" column="1">
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<widget class="QPushButton" name="pushButton_search">
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<property name="text">
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<string>Search Data</string>
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</property>
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</widget>
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</item>
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<item row="8" column="0">
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<widget class="QLabel" name="label_password">
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<property name="font">
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<font>
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<bold>true</bold>
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</font>
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</property>
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<property name="text">
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<string>Password</string>
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</property>
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</widget>
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</item>
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<item row="8" column="1">
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<widget class="QLineEdit" name="lineEdit_username_2"/>
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</item>
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<item row="9" column="0" colspan="2">
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<widget class="QLabel" name="label_result">
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<property name="font">
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<font>
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<bold>true</bold>
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</font>
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</property>
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<property name="text">
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<string/>
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</property>
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</widget>
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</item>
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</layout>
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</widget>
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<resources/>
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<connections/>
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</ui>

‎Section-04/SimpleLogin.ui renamed to ‎Section-04/UI-05 SimpleLogin.ui

File renamed without changes.

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