小编use*_*177的帖子

我想检索邮件附件并将其存储,bytes[]以便我可以将它们插入到列附件varbinary类型的表中.在Windows窗体中我正在使用OpenFileDialog,我不知道如何在一个byte[]类型中获取文件的字节,以便我可以将其插入到SQLServer中的表中.

这是代码:

namespace fyp8
{
    public partial class ComposeMail : Form1
    {
        ArrayList alAttachments;
        MailMessage mmsg;
        string conn = @"Data source=(local);Initial Catalog=fyp;Integrated Security=true";


        public ComposeMail()
        {
            InitializeComponent();
        }

        private void ComposeMail_Load(object sender, EventArgs e)
        {

        }

        private void btnAttachment_Click(object sender, EventArgs e)
        {
            OpenFileDialog odflg = new OpenFileDialog();
            odflg.ShowDialog();
            if (odflg.ShowDialog() == DialogResult.OK)
            {

                try
                {
                    txtAttachments.Text = odflg.FileName;

                }

                catch(Exception ex)
                {
                    MessageBox.Show(ex.Message, "Error");
                }
            }
        }

        private void btnSend_Click(object sender, …