converting PHP code to C#

will u please help me to convert php code to C#
my php code is

<?php
 $data = explode(",", $_POST['img']);
 $width = $_POST['width'];
 $height = $_POST['height'];
 $image=imagecreatetruecolor( $width ,$height );
 $background = imagecolorallocate( $image ,0 , 0 , 0 );
 //Copy pixels
 $i = 0;
 for($x=0; $x<=$width; $x++){
  for($y=0; $y<=$height; $y++){
   $int = hexdec($data[$i++]);
   $color = ImageColorAllocate ($image, 0xFF & ($int >> 0x10), 0xFF & ($int >> 0x8), 0xFF & $int);
   imagesetpixel ( $image , $x , $y , $color );
  }
 }
 //Output image and clean
 //header( "Content-type: image/jpeg" );
 imagejpeg($image,"files/new.jpg");
 //imagedestroy( $image );
?>