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POerror reading oulook using MAPI in ASP.NET
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copied!<p>I use VS2010, C#, ASP.NET to read outlook email. I've setup outlook express 6 with my gmail (IMAP), I get a strange exception at the first line, where my COM object is being created, here is my code:</p> <pre><code>Microsoft.Office.Interop.Outlook.Application app = null; Microsoft.Office.Interop.Outlook._NameSpace ns = null; Microsoft.Office.Interop.Outlook.PostItem item = null; Microsoft.Office.Interop.Outlook.MAPIFolder inboxFolder = null; Microsoft.Office.Interop.Outlook.MAPIFolder subFolder = null; try { app = new Microsoft.Office.Interop.Outlook.Application(); ns = app.GetNamespace("MAPI"); ns.Logon("gmail_id", "gmail_pass", false, true); inboxFolder = ns.GetDefaultFolder(Microsoft.Office.Interop.Outlook.OlDefaultFolders.olFolderInbox); subFolder = inboxFolder.Folders["MySubFolderName"]; //folder.Folders[1]; also works Console.WriteLine("Folder Name: {0}, EntryId: {1}", subFolder.Name, subFolder.EntryID); Console.WriteLine("Num Items: {0}", subFolder.Items.Count.ToString()); for (int i = 1; i <= subFolder.Items.Count; i++) { item = (Microsoft.Office.Interop.Outlook.PostItem)subFolder.Items[i]; Console.WriteLine("Item: {0}", i.ToString()); Console.WriteLine("Subject: {0}", item.Subject); Console.WriteLine("Sent: {0} {1}", item.SentOn.ToLongDateString(), item.SentOn.ToLongTimeString()); Console.WriteLine("Categories: {0}", item.Categories); Console.WriteLine("Body: {0}", item.Body); Console.WriteLine("HTMLBody: {0}", item.HTMLBody); } } catch (System.Runtime.InteropServices.COMException ex) { } finally { ns = null; app = null; inboxFolder = null; } </code></pre> <p>it is my exception:</p> <pre><code>Retrieving the COM class factory for component with CLSID {0006F03A-0000-0000-C000-000000000046} failed due to the following error: 80040154 Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG)). </code></pre> <p>this exception is create at the first line:</p> <pre><code>app = new Microsoft.Office.Interop.Outlook.Application(); </code></pre> <p>I've used <code>Microsoft.Office.Interop.Outlook.dll</code> file as my interop reference, what is going wrong here? I can read my Gmail inbox in outlook express 6, but I have no luck in my ASP.NET web app</p>

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