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Do while loop in C# [SOLVED]
Posted: Fri Jan 20, 2012 12:28 am
by mattykins
I ask you guys way too many noob questions haha i'm sorry.
So i'm writing a do while loop as a test and my code thus far looks like this:
Code: Select all
do
{
string userinput;
userinput = Convert.ToString(Console.ReadLine());
}
while (userinput != "escape");
And I get the error 'userinput' does not exist in the current context.
Is it because i declared userinput inside of the loop?
Thanks in advanced
Re: Do while loop in C#
Posted: Fri Jan 20, 2012 4:34 am
by Zak Zillion
I've been learning java and not C# lol but I think its because userinput is considered a local variable, for you to be able to use it in the while statement you'd have to make it a class variable or something
I hope that helps!
Re: Do while loop in C#
Posted: Fri Jan 20, 2012 4:46 am
by mattykins
Thanks! But how would i go about doing that?
Re: Do while loop in C#
Posted: Fri Jan 20, 2012 4:50 am
by Zak Zillion
Code: Select all
do
{
string userinput;
userinput = Convert.ToString(Console.ReadLine());
return userinput;
}
while (userinput != "escape");
I think this is how you do it! Hopefully it's something like java.
All this does is return the local variable to the class.
Re: Do while loop in C#
Posted: Fri Jan 20, 2012 4:52 am
by mattykins
I'll try that right now
Thanks. I'm still pretty noob here heh.
Re: Do while loop in C#
Posted: Fri Jan 20, 2012 4:54 am
by Zak Zillion
Good luck! I am too.
Re: Do while loop in C#
Posted: Fri Jan 20, 2012 4:54 am
by mattykins
Sorry for double post! But its giving me the same error even with return userinput;
Re: Do while loop in C#
Posted: Fri Jan 20, 2012 4:56 am
by Zak Zillion
Well this is the point were I hand it off to the more experienced devs.
Re: Do while loop in C#
Posted: Fri Jan 20, 2012 4:59 am
by Jackolantern
You can't return a variable from a FOR loop. Only from methods. Set it up like this:
Code: Select all
string userinput = "";
do
{
userinput = Convert.ToString(Console.ReadLine());
}
while (userinput != "escape");
That way the userinput variable will be available both inside and outside of the DO-WHILE loop.
Re: Do while loop in C#
Posted: Fri Jan 20, 2012 5:27 am
by mattykins
Awesome man
Thanks.