
Untitled
By: a guest on
Apr 26th, 2012 | syntax:
VisualBasic | size: 0.44 KB | hits: 17 | expires: Never
Private Sub Sumar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Sumar.Click
If (IsNumeric(TextBox1.Text) And IsNumeric(TextBox2.Text)) Then
TextBox3.Text = Val(TextBox1.Text) + Val(TextBox2.Text)
Else
MsgBox("Dato no Válido, sólo acepta números", 48, "Advertencia")
TextBox1.Text = ""
TextBox2.Text = ""
TextBox3.Text = ""
End If