Welcome to OGeek Q&A Community for programmer and developer-Open, Learning and Share
Welcome To Ask or Share your Answers For Others

Categories

0 votes
868 views
in Technique[技术] by (71.8m points)

int.TryParse failing with Console.ReadLine() in C#

If I try the following code in a simple console application:

string input = Console.ReadLine();
bool isString = int.TryParse(input, out myid);

I receive an error saying "the best overloaded method match for 'int.TryParse(string out int)' has some invalid arguments. I cannot work out why. Can anyone shed any light on this please?

See Question&Answers more detail:os

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome To Ask or Share your Answers For Others

1 Reply

0 votes
by (71.8m points)

You need to declare myid as int before you pass it to int.TryParse

int myid;
string input = Console.ReadLine();
bool isString = int.TryParse(input, out myid);

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
OGeek|极客中国-欢迎来到极客的世界,一个免费开放的程序员编程交流平台!开放,进步,分享!让技术改变生活,让极客改变未来! Welcome to OGeek Q&A Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question

...