/無法讀出SQL圖片檔，都會顯示參數無效，可是我看參數名都打對了，可是就是錯誤，另外我看我讀出來的byte[] data變數，多了很多索引，但是每一個索引的值都是0...麻煩各位大大幫我看一下，要讀出SQL(varbinary(MAX))欄位的二進位圖片，並且秀到Picturebox上!!/

unboxingTableAdapter2.Fill(mMdatabaseDataSet1.Unboxing);
            SqlConnection conn = new SqlConnection(@"Data Source=.\SQLEXPRESS;Initial Catalog=MMdatabase;Integrated Security=True");
            
            string strSQL = "select Photo1 from unboxing where ArticleID=@ArticleID";
            SqlCommand cmd = new SqlCommand(strSQL, conn);
            cmd.CommandType = CommandType.Text;
            cmd.Parameters.AddWithValue("@ArticleID", textBox2.Text);
            conn.Open();
            byte[] data = (byte[])cmd.ExecuteScalar(); //data每一個索引值都是0
                 
            MemoryStream ms = new MemoryStream(data); //讀到這行顯示參數錯誤!!
            Bitmap bmp = new Bitmap(ms);
            pictureBox1.Image = bmp;

            ms.Dispose();
            ms.Close();
            conn.Dispose();
            conn.Close();