Grade Computation in Visual Basic .Net

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  • Create Date April 25, 2016
  • Last Updated April 25, 2016

Grade Computation in Visual Basic .Net

Grade Computation in Visual Basic .Net

Windows form application in vb.net that computes final grade and display the status if failed or passed.
To compute the final grade: 30% of prelim grade + 30% of midterm grade and 40% of endterm grade.

If grade is equal 75 and above then you passed, below 75 failed.
Open the project solution (.sln) in visual studio 2010/2012 or open directly the project file (.vbproj)

Source code:

Public Class Form1
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        If IsNumeric(TextBox1.Text) = False Or IsNothing(TextBox1.Text) = True Then
            MessageBox.Show("Please enter a numeric value")
            TextBox1.Focus()
        ElseIf IsNumeric(TextBox2.Text) = False Or IsNothing(TextBox2.Text) = True Then
            MessageBox.Show("Please enter a numeric value")
            TextBox2.Focus()
        ElseIf IsNumeric(TextBox3.Text) = False Or IsNothing(TextBox3.Text) = True Then
            MessageBox.Show("Please enter a numeric value")
            TextBox3.Focus()
        Else
            Label5.Text = ((TextBox1.Text * 0.3) + (TextBox2.Text * 0.3) + (TextBox3.Text * 0.4))
            If Val(Label5.Text) >= 75 Then
                Label7.Text = "Passed"
            Else
                Label7.Text = "Failed"
            End If
        End If
    End Sub
End Class
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