static UserManagementDbContext()
 {
     using (UserManagementDbContext context = new UserManagementDbContext())
     {
       if (!context.DatabaseExists())
       {
     context.CreateDatabase();
       }
     }
 }
 static UserManagementDbContext()
 {
     using (UserManagementDbContext context = new UserManagementDbContext())
     {
         if (!context.DatabaseExists())
         {
             context.CreateDatabase();
         }
     }
 }