How to store a string from user input in an array to perform search operation on it in C#?

Question

 public class CellPhoneMessagingController : ApiController
    {
        [HttpGet]
        [Route("api/CellPhoneMessaging/{code}")]
        public string burgers(string code)
        {

          string userCode = code;
            char[] ch = new char[userCode.Length];
            for (int i = 0; i < ch.Length; i++) { 
                    ch[i] = userCode[i];
            }

            return ch;

           
        }
    }

I tried this but it is not returning the ch. Note: I am new in programming.

You've declared the method return type as string, but you're returning a char[]. — Spencer Bench
– Spencer Bench, Commented Feb 25, 2022 at 0:42
all this code does is copy the input to the output, there is no searching. I assume this doesnt compile, to make it compile do return new string(ch); — pm100
– pm100, Commented Feb 25, 2022 at 0:45
the question is not api specific, please post a simple console application instead code snippet of web api. — Lei Yang
– Lei Yang, Commented Feb 25, 2022 at 1:04

Idle_Mind · Accepted Answer · 2022-02-25 05:04:07Z

3

If you want it to return the characters of the string as an array, then use String.ToCharArray():

public char[] burgers(string code)
{
    return code.ToCharArray();
}

Seems kinda pointless now to put that into a function, though...

answered Feb 25, 2022 at 5:04

Idle_Mind

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Comments

Hitesh · Accepted Answer · 2022-04-13 06:05:28Z

1

The return type has a problem. Your function should have a return type of string[].

 public class CellPhoneMessagingController : ApiController
    {
        [HttpGet]
        [Route("api/CellPhoneMessaging/{code}")]
        public string[] burgers(string code)
        {

          string userCode = code;
            char[] ch = new char[userCode.Length];
            for (int i = 0; i < ch.Length; i++) { 
                    ch[i] = userCode[i];
            }

            return ch;

           
        }

answered Apr 13, 2022 at 6:05

Hitesh

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1 Comment

JHBonarius Over a year ago

This is wrong. A string[] is not the right type here, nor is this what the OP wants.

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