I get this error code...
here is the code:
partial void C_TouchUpInside(UIButton sender)
TextBox2.Text = "";
TextBox1.Text = "";
Ctemp = int.Parse(TextBox1.Text);
newCtemp = Ctemp * 9/5 +32;
TextBox2.Text += newCtemp;
An empty string is not a valid format for int.Parse(). Why are you setting TextBox1.Text to an empty string and then trying to parse it as an integer anyway?
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