Inches to feet: I have data frames containing Height data

I have data frames containing Height data like this How to change into inches with dtype:float ? thankyou Distance Converter for inches , feet , and yards in C# Asked 12 years ago Modified 12 years ago Viewed 14k times when you run the file it will work until you put a number in the text field and then it breaks and says empty string. I just need help with this part. I use 1 inch in the inches field to convert to I am taking my first programming course, so my apologies if this is a dumb question/possibly classified by the wrong category on this site. One of the exercise problems I am working on is the follo...