c# How to convert int array to string binary array

Question

I'm writing a program to convert numbers in an array znaky to array in binary numbers called binary, but it returns me error.

System.IndexOutOfRangeException: Index was outside the bounds of the array.

char[] znaky = new char[moje.Length];                                                                                                                                                                 
for (int i = 0; i < znaky.Length; i++)
{                                                                                          
    znaky[i] = moje[i];                                                                         
}

string binary = "";
foreach (int a in znaky)
{
    binary += Convert.ToString(znaky[a], 2);  
}

In array moje was the numbers, but for me I change his positions. In this program I change words to binary code.

As a suggestion, next time use english names for variables when asking on SO — xanatos
– xanatos, Commented May 24, 2018 at 13:55
And the second foreach should be a for: for (int a = 0; a < znaky.Length; a++) — xanatos
– xanatos, Commented May 24, 2018 at 13:56
Or just use a directly instead of znaky[a]. But wait, znaky is a char array? Does it need to be? — Daxtron2
– Daxtron2, Commented May 24, 2018 at 13:57
Can you show us the code before this? What is moje and how is it populated? Is moje a char[]? In which case why are you copying it to znaky? — Trevor
– Trevor, Commented May 24, 2018 at 14:24

xanatos · Accepted Answer · 2018-05-24 13:57:32Z

3

Second foreach should be a for:

for (int a = 0; a < znaky.Length; a++)

OR keep the foreach and then change the Convert:

Convert.ToString(a, 2);

answered May 24, 2018 at 13:57

xanatos

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