Here is another simple program that I wrote using Microsoft Visual Basic NET to ask the user to give the radius of the circle and then our program will compute it's area based on the given radius value of the user.
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My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com.
My mobile number here in the Philippines is 09173084360.
Sample Program Output
Program Listing
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim compute_area_circle As Double
compute_area_circle = (Val(TextBox1.Text) * Val(TextBox1.Text) * 3.1416)
Label4.Text = "The Area of the Circle is " & Format(compute_area_circle, "0.00")
End Sub
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
TextBox1.Text = ""
Label4.Text = ""
TextBox1.Focus()
End Sub
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
Dim result As DialogResult = MessageBox.Show("Do you want to quit?", _
"Quit Program", _
MessageBoxButtons.YesNo)
If (result = DialogResult.Yes) Then
End
Else
TextBox1.Text = ""
Label4.Text = ""
TextBox1.Focus()
End If
End Sub
End Class
