data grid bind to list

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C#3.0

C#

from following method i bind list with data gride

private List<unreademails> GetEmailsFromFolder(string folderName)
        {
            List<unreademails> emails = null;

            object missing = System.Reflection.Missing.Value;

            try
            {
                Outlook.MAPIFolder fldEmails = null;
                emails = new List<unreademails>();
                Outlook._Application outlookObj = new Outlook.Application();
                if (folderName == "Default")
                {
                    fldEmails = (Outlook.MAPIFolder)outlookObj.Session.GetDefaultFolder(Outlook.OlDefaultFolders.olFolderInbox);
                }

                else
                {
                    Outlook.MAPIFolder emailFolder = (Outlook.MAPIFolder)
                        outlookObj.Session.GetDefaultFolder(Outlook.OlDefaultFolders.olFolderInbox);

                    foreach (Outlook.MAPIFolder subFolder in emailFolder.Folders)
                    {
                        if (subFolder.Name == folderName)
                        {
                            fldEmails = subFolder;
                            break;

                        }
                    }
                }

                foreach (Microsoft.Office.Interop.Outlook._MailItem mailItem in fldEmails.Items)
                {
                    if (mailItem.UnRead)
                    {
                        UnreadEmails mail = new UnreadEmails();
                        mail.SenderName = (mailItem.UnRead == false) ? string.Empty : mailItem.SenderName;
                        mail.SenderAddress = (mailItem.UnRead == false) ? string.Empty : mailItem.SenderEmailAddress;
                        mail.Subject = (mailItem.UnRead == false) ? string.Empty : mailItem.Subject;


                        mail.BodyContent = (mailItem.UnRead == false) ? string.Empty : mailItem.Body;

                        emails.Add(mail);
                    }


                }



            }
            catch (System.Exception ex)
            {

                throw new ApplicationException(ex.Message);

            }

            return emails;
        }

        private void LoadEmailFolderCombo()
        {
            Outlook._Application outlookObj = new Outlook.Application();
            Outlook.MAPIFolder emailFolder = (Outlook.MAPIFolder)
             outlookObj.Session.GetDefaultFolder(Outlook.OlDefaultFolders.olFolderInbox);

            if (!nbFolder.Items.Contains("Default"))
            {
                nbFolder.Items.Add("Default");
            }
            foreach (Outlook.MAPIFolder subFolder in emailFolder.Folders)
            {
                if (!nbFolder.Items.Contains(subFolder.Name))
                {
                    nbFolder.Items.Add(subFolder.Name);
                }
            }



        }</unreademails></unreademails></unreademails>

then by following i generate data grid

string mailFldrName = string.Empty;
            if (nbFolder.SelectedItem == null)
            {
                mailFldrName = "Default";
                nbFolder.SelectedItem = "Default";
            }
            else
            {
                mailFldrName = nbFolder.SelectedItem.ToString();
            }

            dgvUnreadMails.Visible = false;

            if (GetEmailsFromFolder(mailFldrName).Count > 0)
            {
                dgvUnreadMails.Visible = true;
                btnSave.Enabled = true;
                tabCreateFilter.Enabled = true;

                dgvUnreadMails.DataSource = GetEmailsFromFolder(mailFldrName);



            }
            else
            {
                MessageBox.Show("No unread E-mails in Inbox", "Unread E-mails", MessageBoxButtons.OK, MessageBoxIcon.Information);

            }

UnreadMail is a class like following

class UnreadEmails
    {

        private string _senderName;
        public string SenderName
        {
            get { return _senderName; }
            set { _senderName = value; }
        }
}

so i need to add buttons to one columns
is there any way to do it
and also i need tell that data grid is not defined eraly it also done by program ..