COM object that has been separated from its underlying RCW cannot be used

COM object that has been separated from its underlying RCW cannot be used. Error occured when i closed the application in C#.net

How to fix it?

 I am using event watcher in my Application . So I didn't stop when i close the Application ,So I Stop eventWatcher. solved issue

Update auto_increment in SQL Server

Update auto_increment in SQL Server

Create PROC SP_UpdateEmployee @Id int = null out, @employeename varchar(50), @Active bit AS INSERT INTO Employeemaster(employeename,Active)values(@employeename,@Active) Set @Id = Scope_Identity()

Get Count of Unread mail from Outlook Express in C#.Net

Get Count of Unread mail from Outlook Express in C#.Net

 using Microsoft.Office.Interop.Outlook;  
   public static int CountOfUnreadMails()  
     {  
       Application OutlookApp = new Application();  
       NameSpace myMail = OutlookApp.GetNamespace("MAPI");  
       int unread = myMail.GetDefaultFolder(OlDefaultFolders.olFolderInbox).UnReadItemCount;  
      return  unread;  
      }