Access Outlook Emails with ASP.NET, C#

To access outlook emails and its contents like total number of emails in inbox, number of unread emails, subject and title of email, attachments of email etc. To acquire these, all you need is Interop.Outlook.dll. How to access outlook using ASP.NET is given below. You can write this code in a button click event or in page load event. The code part contains C# language:

 using Outlook;

 Outlook.Application oOutlook;
 Outlook.NameSpace oNs;
 Outlook.MAPIFolder oFldr;
 long iAttachCnt;

 try
 {
     oOutlook = new Outlook.Application();
     oNs = oOutlook.GetNamespace(“MAPI”);

     //getting mail folder from inbox
     oFldr = oNs.GetDefaultFolder(OlDefaultFolders.olFolderInbox);
     Response.Write(“Total Mail(s) in Inbox :” + oFldr.Items.Count + “<br>”);
     Response.Write(“Total Unread items = ” + oFldr.UnReadItemCount);
     foreach (Outlook.MailItem oMessage in oFldr.Items)
     {
         StringBuilder str = new StringBuilder();
         str.Append(“<table style=’border:1px solid gray;font-family:Arial;font-size:x-small;width:80%;’ align=’center’><tr><td style=’width:20%;’><b>Sender :</b></td><td>”);
         str.Append(oMessage.SenderEmailAddress.ToString() + “</td></tr>”);
         //basic info about message
         str.Append(“<tr><td><b>Date :</b></td><td>” + oMessage.SentOn.ToShortDateString() + “</td></tr>”);
         if (oMessage.Subject != null)
         {
             str.Append(“<tr><td><b>Subject :</b></td><td>” + oMessage.Subject.ToString() + “</td></tr>”);
         }
         //reference and save all attachments

         iAttachCnt = oMessage.Attachments.Count;
         if (iAttachCnt > 0)
         {
             for (int i = 1; i <= iAttachCnt; i++)
             {
                 str.Append(“<tr><td><b>Attachment(” + i.ToString() + “) :</b></td><td>” + oMessage.Attachments[i].FileName + “</td></tr>”);
             }
         }
         str.Append(“</table><br>”);
         Response.Write(str.ToString());

     }

 }
 catch (System.Exception ex)
 {
     Response.Write(“Execption generated:” + ex.Message);
 }
 finally
 {
     GC.Collect();
     oFldr = null;
     oNs = null;
     oOutlook = null;

 }