CREATE PROCEDURE SP_CloseDBConnect
    @Dname varchar(50) 
AS
BEGIN
	DECLARE @name varchar(50), @s varchar(1000)

    IF (@Dname = '')
    BEGIN
       DECLARE DataName CURSOR FOR SELECT name FROM sys.databases WHERE name not in ('master');

       OPEN DataName
       FETCH NEXT FROM DataName INTO @name
       WHILE (@@FETCH_STATUS = 0)
       BEGIN  
           DECLARE tb CURSOR local FOR SELECT N'kill   '+CAST(spid AS varchar) FROM master..sysprocesses WHERE dbid=db_id(@name)  

           OPEN tb    
           FETCH next FROM tb INTO @s  
           WHILE @@FETCH_STATUS=0  
           BEGIN  
               EXEC(@s)  
               FETCH NEXT FROM tb INTO @s  
           END  
           CLOSE tb  
           DEALLOCATE tb
                       
           FETCH NEXT FROM DataName INTO @name
       END
       CLOSE DataName
       DEALLOCATE DataName
    END
    ELSE
    BEGIN
       DECLARE tb CURSOR local FOR SELECT N'kill   '+CAST(spid AS varchar) FROM master..sysprocesses WHERE dbid=db_id(@Dname)  

       OPEN tb   
       FETCH next FROM tb INTO @s 
       WHILE @@FETCH_STATUS=0  
       BEGIN  
           EXEC(@s)  
           FETCH NEXT FROM tb INTO @s  
       END  
       CLOSE tb  
       DEALLOCATE tb
    END
END