c# - Convert stringbinary to ascii -

i'm started dev-ing app wp7 , i'm trying convert string of binary ascii using c#.

but have no idea how can done. hope me out here.

example :

input string: 0110100001100101011011000110110001101111

output string: hello

the simple solution,

using substring , built in convert.tobyte this:

string input = "0110100001100101011011000110110001101111"; int charcount = input.length / 8; var bytes = idx in enumerable.range(0, charcount)             let str = input.substring(idx*8,8)             select convert.tobyte(str,2); string result = encoding.ascii.getstring(bytes.toarray()); console.writeline(result); 

another solution, doing calculations yourself:

i added in case wanted know how calculations should performed, rather method in framework you:

string input = "0110100001100101011011000110110001101111"; var chars = input.select((ch,idx) => new { ch, idx}); var parts = x in chars             group x x.idx / 8 g             select g.select(x => x.ch).toarray();  var bytes = parts.select(bitcharstobyte).toarray(); console.writeline(encoding.ascii.getstring(bytes)); 

where bitcharstobyte conversion char[] corresponding byte:

byte bitcharstobyte(char[] bits)  {     int result = 0;     int m = 1;     for(int = bits.length - 1 ; >= 0 ; i--)      {         result += m * (bits[i] - '0');         m*=2;     }     return (byte)result; } 

both above solutions same thing: first group characters in groups of 8; take sub string, bits represented , calculate byte value. use ascii encoding convert bytes string.