Set value in 2D array fom keyboard

Question

I'm working in this code for setting values in a specific part of a [5,5] 2D array from keyboard, for example ad an "x" in column 2 row 3, and it's almost done but I keep getting an error. Let´s begin with the part of the code I have problems with:

int[,] data = new int[5, 5]; 

public void cargar()
{
   string[] input = Console.ReadLine().Split('=');
   string[] coordinates = input[0].Split(',');
   int[] intCoordinates = coordinates.Select(s => int.Parse(s)).ToArray();
   data[intCoordinates[0]][intCoordinates[1]] = int.Parse(input[1]);  
}

The message refers to the 10th line, it´s about "data" (it´s the name of the array):

"Incorrect index number inside []. 2 was expected".

It´s translated from Spanish, so I think that's what is says. How could I fix this?

Try to add comma in 10th line between your indexes: data[intCoordinates[0], intCoordinates[1]] = int.Parse(input[1]); — Oleksii Aza, May 02 '14 at 19:34

score 4 · Accepted Answer · edited May 23 '17 at 12:11

4

You're using a multidimensional array ([,]) but then trying to access it like its an array of arrays ([][]) - also called jagged arrays.

You need to access it like data[intCoordinates[0],intCoordinates[1]] instead.

The error message is telling you that you're only using one indexer when it is expecting two of them.

See this MSDN article on multidimensional arrays, this one on jagged arrays and this StackOverflow question/answer.

edited May 23 '17 at 12:11

Community

1
1

answered May 02 '14 at 19:35

Tim

14,999
1
45
68

Yay! That´s correct, it just got fixed, thank you XD. – Gabbo2483 May 02 '14 at 19:38
No problem. Glad to assist. – Tim May 02 '14 at 19:38
People, the code appears to work just fine, but when trying to type in any value I get the IndexOutOfRangeException, even when it´s 1. Why is that? – Gabbo2483 May 02 '14 at 21:16

Set value in 2D array fom keyboard

1 Answers1