Add code to wrangle images in/out of the sql database.

ImageWrangler.cs

@@ -0,0 +1,40 @@
+using System.Drawing;
+using System.IO;
+
+namespace GreatHomeChildcare
+{
+    class ImageWrangler
+    {
+        /* Convert student photo to byte array for saving to db.
+         * Also used to see if the photo is too large for the db blob type.
+         * INPUT: Object
+         * OUPUT byte[] array
+         * https://stackoverflow.com/questions/3801275/how-to-convert-image-to-byte-array
+         */
+        public byte[] ImageToByteArray(Image imageIn)
+        {
+            if (imageIn == null)
+                return null;
+
+            using (var ms = new MemoryStream())
+            {
+                imageIn.Save(ms, imageIn.RawFormat);
+                return ms.ToArray();
+            }
+        }
+
+        /* Convert student photo from byte array to object.
+         * Convert a byte array to an Object
+         * INPUT: byte[] array
+         * OUTPUT: Image
+         * https://stackoverflow.com/questions/9173904/byte-array-to-image-conversion
+         */
+        public static Image ByteArrayToImage(byte[] arrBytes)
+        {
+            using (var ms = new MemoryStream(arrBytes))
+            {
+                return Image.FromStream(ms);
+            }
+        }
+    }
+}