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Posted 31 January 2009 - 12:14 PM
Private Sub DistanceConvertButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles DistanceConvertButton.Click 'converts Distances to metric Dim numInch As Decimal Dim numFeet As Decimal Dim numMile As Decimal Dim numCenti As Decimal Dim numMeter As Decimal Dim numKilo As Decimal If txtInch.Text <> " " Then numInch = txtInch.Text * 2.54 txtCenti.Text = numInch Else numCenti = txtCenti.Text / 2.54 txtInch.Text = numCenti End If If txtFeet.Text <> " " Then numFeet = txtFeet.Text * 0.3048 txtMeter.Text = numFeet Else numMeter = txtMeter.Text / 0.3048 txtFeet.Text = numMeter End If If txtMile.Text <> " " Then numMile = txtMile.Text * 1.61 txtKilo.Text = numMile Else numKilo = txtKilo.Text / 1.61 txtMile.Text = numKilo End If End Sub
I'm trying to get this to work so that if I type some measurement in metric it will convert to US measurements, and if I type something in US measurements it will convert to Metric.
Before I up in all the If then statements it converted to US to metric just fine, though I don't know if the actual conversions were correct, but it worked anyway. Now it just give me an error saying IvalidCastException unhandled.
And I'm not sure what that means...
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