Question

Create a Sale Price Calculator Application Using Visual Basic

Write a simple program in VB to calculate the sale price of a retail item. You are required to define a function to validate the two inputs: the retail price, and the discount percentage. You are also required to define another function for calculating the sale price. Besides that, you must include the steps of the Software Development Method, source code, GUI (screenshot), and their output (screenshot).

Answer 1

This is a simple Sale Price Calculator Application made using Visual Basic/

The goal is to take Amount and Discount (in Percentage) as input from the user and give the desired result as output.

A single class by the name of the Form1 is trying to call the function ButtonCalculate on clicking the Button.

 Public Class Form1 Private Sub ButtonCalculate_Click(sender As Object, e As EventArgs) Handles ButtonCalculate.Click 'Defining Variables Dim Amount As Decimal Dim Discount As Decimal Dim Total As Decimal 'Check Correct Input for Amount If Decimal.TryParse(TextAmount.Text, Amount) = False Then MessageBox.Show("Invalid Amount") TextAmount.Focus() TextAmount.SelectAll() Return End If 'Check Correct Input for Discount If Decimal.TryParse(TextDiscount.Text, Discount) = False Then MessageBox.Show("Invalid Discount") TextDiscount.Focus() TextDiscount.SelectAll() Return End If 'Calculating Total Total = Amount - (Discount / 100) * Amount TextTotal.Text = Total.ToString("") End Sub End Class 

The Output Window

Please let me know if i missed someting or do i need more explanation.
Thank You