Question

I have a Picture box. The image in the picture box is a static one. I am loading the image from the resources folder. I am not able to read the static image from the picture box and store it in the database. here is my code.

 private void btnOk_Click(object sender, EventArgs e)
    {
        Image votingBackgroundImage = pictureBox5.Image;
        Bitmap votingBackgroundBitmap = new Bitmap(votingBackgroundImage);
         Image votingImage = (Image)votingBackgroundBitmap;
            var maxheight = (votingImage.Height * 3) + 2;
            var maxwidth = votingImage.Width * 2;
            if (maxheight == 227 && maxwidth == 720)
            {

                 System.IO.MemoryStream defaultImageStream = new System.IO.MemoryStream();
                 Bitmap NewImage =new Bitmap(votingImage,new Size(720,227));
                 Image b = (Image)NewImage;
                  b.Save(defaultImageStream, System.Drawing.Imaging.ImageFormat.Bmp);
                 defaultImageData = new byte[defaultImageStream.Length];
              }
    }

Query I used to add the image in the database:

            String MyString1=string.format("insert into question_table(background_image) Values(@background_image)");
            com = new SqlCommand(MyString1, myConnection);
              com.Parameters.Add("@background_image", SqlDbType.Image).Value = defaultImageData;
                com.ExecuteNonQuery();

When I check this in the sql database.It stores the value as 0 x000000…

Answer 1

You are just creating the byte[] but you never actually copied the content

try

 System.IO.MemoryStream defaultImageStream = new System.IO.MemoryStream();
 Bitmap NewImage =new Bitmap(votingImage,new Size(720,227));
 Image b = (Image)NewImage;
 b.Save(defaultImageStream, System.Drawing.Imaging.ImageFormat.Bmp);
 defaultImageData = new byte[defaultImageStream.Length];
 //assign byte array the content of image
 defaultImageData = defaultImageStream .ToArray();