C#

I'm creating some very large images in .net and i'm using JPEG compression to get the file size down. However, if the image exceeds 65,000(ish) pixels in either width or height, I can no longer use jpeg compression. Is there a max dimensions limit for JPEG?

the exception being thrown is:

System.Runtime.InteropServices.ExternalException (0x80004005): A generic error occurred in GDI+.
   at System.Drawing.Image.Save(String filename, ImageCodecInfo encoder, EncoderParameters encoderParams)

the code that is saving the image:

    public static void SaveImage(ref Bitmap b, string fName)
        {
            long quailty = 75;
            ImageCodecInfo jpgEncoder = getEncoder(ImageFormat.Jpeg);
            Encoder myEncoder = Encoder.Quality;
            using (EncoderParameters myEncoderParameters = new EncoderParameters(1))
            {
                using (EncoderParameter myEncoderParameter = new EncoderParameter(myEncoder, quailty))
                {
                    myEncoderParameters.Param[0] = myEncoderParameter;
                    b.Save(fName, jpgEncoder, myEncoderParameters);
                }
            }
        }

in the case of the above exception the image is 2,000x100,000 the magic number seems to be in the 65k range, both width and height.  Like, I can do 4,000x55,000 but not 2x70000.

<th>Posting Month:</th>
<td>
@Html.DropDownListFor(m => m.PostingMonth, new SelectList(Model.PostingMonth))

@(Html.Kendo().DropDownList()
.Name("ddlPostingMonth")
.BindTo(new List<SelectListItem>()
{
new SelectListItem() { Text = "" },
new SelectListItem() { Text = "January" },
new SelectListItem() { Text = "February" },
new SelectListItem() { Text = "March" },
new SelectListItem() { Text = "April" },
new SelectListItem() { Text = "May" },
new SelectListItem() { Text = "June" },
new SelectListItem() { Text = "July" },
new SelectListItem() { Text = "August" },
new SelectListItem() { Text = "September" },
new SelectListItem() { Text = "October" },
new SelectListItem() { Text = "November" },
new SelectListItem() { Text = "December" },
}))
</td>

var result = CB.GetAgentDetail(orderNumber).FirstOrDefault();
model.PostingMonth = result.PostingMonth;
//model.Unpack = result.

ViewBag.PostingMonth = result.PostingMonth;
ViewBag.Overflow = result.Overflow;
//model.Book_Agent = result.Book_Agent;
model.Tare1 = result.Tare1;
//model.Tare2 = result.

private async void button1_Click(object sender, EventArgs e)
{
    listBox.Items.AddRange(new object[] {"Hello", "There", "Code", "Project."});
    await PerformLengthyTask();
}

private async Task<bool> PerformLengthyTask()
{
    Thread.Sleep(5000);
    return true;
}