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String conversion driving me nuts

 
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String conversion driving me nuts
rareseu
8 Jan, 2008 - 05:20 AM
Post #1

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Hello ppl ! i'm trying to read the values of signal out of a .txt file so that i can draw the signal in a picturebox, but i'm running into a very annoying problem when i try to convert a string to integer, here are the bits of code to make it easier to understand :

CODE

//variables that i'm using
private string[] info;
private int[] signalValues;


CODE
  
//read from file and take out white spaces      
info = sourceFile.ReadToEnd().Split(' ');

//converting the info to integer
for (int i = 0; i <= info.Length; i++)
   signalValues[i] = Convert.ToInt32(info[i]);


and i'm getting a "Input string not in a correct format" unhandled expection, the numbers in the file are small (3 digits max), please tell me what i'm doing wrong
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qdoom
RE: String Conversion Driving Me Nuts
8 Jan, 2008 - 06:56 AM
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Joined: 31 Aug, 2006
Posts: 82


My Contributions
Welcome to dream.in.code!

1. <= means, that it will do the loop one too many times. <= operator returns true, if the first operand is less than or equal to the second. You should get "IndexOutOfRangeException". It should be:

CODE
for (int i = 0; i < info.Length; i++)
   signalValues[i] = Convert.ToInt32(info[i]);


2. if your numbers are not in one line, the program will not split the newline for you. That's why you could be getting "Input string not in a correct format" exception.

CODE
info = sourceFile.ReadToEnd().Split(' ', '\n');


Hope this helps.
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rareseu
RE: String Conversion Driving Me Nuts
8 Jan, 2008 - 08:10 AM
Post #3

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thank you it did help smile.gif
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