Create Calculator With Visual Studio 2012 | VB.Net Calculator
picture : if text field is null How to create Simple Calculator with visual studio 2012 or VB.Net? This is your solution, you can read this tutorial, you also can Download Source Code Simple Calculator with visual studio 2012 , and direct practice this tutorial. Open Visual Studio, New Project then, create design like this picture : 3. Right Click or F7 to view Source Code, 4. Write code like this : Public Class Calculator Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click Dim A = varA.Text Dim B = varB.Text If (A = "") Then warn.Text = "var A Not Allow null" ElseIf (B = "") Then warn.Text = "var B Not Allow null" Else Dim c = A * B Operation.Text = "X" Result.Text = c End If End Sub Private Sub ExitToolStripMenuItem_Click(sender As Object, e As...
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