Add project files.

ConstructorApp.BusinessLayer/Concrete/TeamManager.cs

@@ -0,0 +1,41 @@
+using ConstructorApp.BusinessLayer.Abstract;
+using ConstructorApp.DataAccessLayer.Abstract;
+using ConstructorApp.EntityLayer.Entities;
+
+namespace ConstructorApp.BusinessLayer.Concrete
+{
+    public class TeamManager : ITeamService
+    {
+        private readonly ITeamDal _teamDal;
+
+        public TeamManager(ITeamDal teamDal)
+        {
+            _teamDal = teamDal;
+        }
+
+        public void TAdd(Team entity)
+        {
+           _teamDal.Add(entity);
+        }
+
+        public void TDelete(Team entity)
+        {
+            _teamDal.Delete(entity);
+        }
+
+        public Team TGetByID(int id)
+        {
+            return _teamDal.GetByID(id);
+        }
+
+        public List<Team> TGetListAll()
+        {
+            return _teamDal.GetListAll();
+        }
+
+        public void TUpdate(Team entity)
+        {
+            _teamDal.Update(entity);
+        }
+    }
+}