Is anybody capable of providing me with guidance, not opinions?
So the question is:
People sometimes give their telephone number using one or more alphabetic characters. Write a program that accepts a 10-digit telephone number that may contain one or more alphabetic characters. Display the corresponding number using numerals. The numbers and letters are associated as follows on your telephone:
If the user enters a character that is not on the telephone as part of the number, display a message indicating that the value does not match a number. Allow both upper- and lowercase characters to be entered.
This must also be created for use in a Windows Form Application, by the way..
Now, I've been attempting to complete this assignment for the past week. I have tried if statements, for/foreach loops, etc. and I still am unable to finish it properly.
Here is what I currently have:
public partial class Form1 : Form