...

Back/Controllers/CODController.cs

@@ -114,7 +114,8 @@ namespace Back.Controllers
 
             ////-----change Cod
             Cod.TaxRate = item.TaxRate;
-            //Cod.Title = item.Title;
+            if(!await _servCOD.UsedInTheInvoice(Cod.ID))
+            Cod.Title = item.Title;
             Cod.UnitID = item.UnitID;
             Cod.ItemTaxID = item.TaxID;
             Cod.IsDeleted = false;
@@ -138,5 +139,10 @@ namespace Back.Controllers
             //----Update and sendResult
             return Ok(await _servCOD.DeleteCod(cod));
         }
+        [HttpGet("UsedInTheInvoice/{ID}")]
+        public async Task<ActionResult<bool>> UsedInTheInvoice(int ID)
+        {
+            return Ok(await _servCOD.UsedInTheInvoice(ID));
+        }
     }
 }

Back/Controllers/CustomerController.cs

@@ -130,7 +130,8 @@ namespace Back.Controllers
             cus.CustomerType = item.CustomerType;
             cus.EconomicCode = item.EconomicCode;
             cus.Email = item.Email;
-           // cus.FullName = item.FullName;
+            if(!await _servCus.UsedInTheInvoice(cus.ID))
+            cus.FullName = item.FullName;
             cus.Info = item.Info;
             cus.MeliCode = item.MeliCode;
             cus.PassportNumber = item.PassportNumber;
@@ -157,5 +158,10 @@ namespace Back.Controllers
             //----Update and sendResult
             return Ok(await _servCus.DeleteCustomer(cus));
         }
+        [HttpGet("UsedInTheInvoice/{ID}")]
+        public async Task<ActionResult<bool>> UsedInTheInvoice(int ID)
+        {
+            return Ok(await _servCus.UsedInTheInvoice(ID));
+        }
     }
 }

Back/Services/ServCOD.cs

@@ -170,5 +170,9 @@ namespace Back.Services
 
             }
         }
+        public async Task<bool> UsedInTheInvoice(int codID)
+        {
+            return await _CODRepo.Get(w => w.invoiceDetails.Any(a=>a.CODID==codID)).AnyAsync();
+        }
     }
 }

Back/Services/servCustomer.cs

@@ -9,12 +9,13 @@ namespace Back.Services
     public class servCustomer
     {
         private readonly IAsyncRepository<Customer> _repoCus;
+        private readonly IAsyncRepository<Invoice> _repoInvoice;
         private readonly CheckPermission _checkPermission;
-        public servCustomer(IAsyncRepository<Customer> repoCus, CheckPermission checkPermission)
+        public servCustomer(IAsyncRepository<Customer> repoCus, CheckPermission checkPermission, IAsyncRepository<Invoice> repoInvoice)
         {
            _repoCus = repoCus;
             _checkPermission = checkPermission;
-
+            _repoInvoice = repoInvoice;
         }
         public async Task<PagingDto<RCustomer>?> GetCustomers(int CompanyID, ItemSerchGetCustomer itemSerch)
         {
@@ -189,6 +190,10 @@ namespace Back.Services
 
             }
         }
+        public async Task<bool> UsedInTheInvoice(int cusID)
+        {
+            return await _repoInvoice.Get(w => w.CustomerID == cusID).AnyAsync();
+        }
 
 
     }

Back/Services/servInvoice.cs

@@ -125,6 +125,9 @@ namespace Back.Services
 
             if (itemSerch.refInvoiceID != null)
                 invok = invok.Where(w => w.BillReference==itemSerch.refInvoiceID);
+
+            if(itemSerch.CodID != null)
+                invok = invok.Where(w => w.invoiceDetails.Any(wa=>wa.CODID== itemSerch.CodID));
             //foreach (InputObj item in inputObjs)
             //    invok = invok.Where(ExMethod.GetFunc<Customer>(item.Param, item.Value));