Question

I faced a “ridiculous” problem.
I was trying to convert a string to int16 (I am forced to do it in int16 and not in int32/integer).
My first thought was to try:

convertedVal = Convert.ToInt16(newVal)

which thrown an exception: Value was either too large or too small for UInt16.
But my string was “10”, so it was between the minValue and the maxValue.
I solved my problem using :

convertedVal = Int16.Parse(newVal) 'TryParse works also

Although I solved my problem I haven’t understand what I did wrong.
Could somebody explain to me why this happened?

Thanks for your time

Answer 1

This usually happens if there is an extra space on the string, so better Trim it

convertedVal = Convert.ToInt16(newVal.Trim())