Question

Visual Basic

Write a simple program in Visual basic to make addition and subtraction for two integer numbers

Answer 1

Public Class Form1
Dim a As Integer // define variable a to hold number
Dim b As Integer
  
Private Sub btnAdd_Click(sender As Object, e As EventArgs) Handles btnAdd.Click
a = txt1st.Text // convert text value to variable a
b = txt2nd.Text // convert text value to variable b
txtResult.Text = Val(a) + Val(b) // display addition in text result
End Sub

Private Sub btnSub_Click(sender As Object, e As EventArgs) Handles btnSub.Click
a = txt1st.Text
b = txt2nd.Text

txtResult.Text = Val(a) - Val(b) // subtraction result
End Sub
End Class

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