last ...

Base/XBaseClass.cs

@@ -1,7 +1,7 @@
 using System;
-using Microsoft.Extensions.Logging;
 using xCommons.Extensions;
 using xExceptions.Constants;
+using Microsoft.Extensions.Logging;
 
 namespace xModels.Base {
     /// <summary>

Base/XBaseStoreEvent.cs

@@ -1,8 +1,8 @@
 using System;
-using System.Collections.Generic;
+using xModels.Interfaces;
 using System.Reactive.Linq;
 using System.Reactive.Subjects;
-using xModels.Interfaces;
+using System.Collections.Generic;
 
 namespace xModels.Base
 {

Base/XBaseStringIDEntity.cs

@@ -1,5 +1,3 @@
-using System;
-
 namespace xModels.Base {
     /// <summary>
     /// a BaseEntity Class which has Id of string type

Dtos/XDeviceDto.cs

@@ -1,5 +1,5 @@
-using xCommons.Constants;
 using xModels.Base;
+using xCommons.Constants;
 
 namespace xModels.Dtos {
     public class XDeviceDto : XBaseDto {

Dtos/XFileDto.cs

@@ -1,7 +1,7 @@
 using System;
-using System.ComponentModel.DataAnnotations;
-using xCommons.Constants;
 using xModels.Base;
+using xCommons.Constants;
+using System.ComponentModel.DataAnnotations;
 
 namespace xModels.Dtos {
     public partial class XFileDto : XBaseDto {

Dtos/XQueryResult.cs

@@ -1,5 +1,5 @@
-using System.Collections.Generic;
 using xModels.Base;
+using System.Collections.Generic;
 
 namespace xModels.Dtos {
     /// <summary>

Dtos/XResourceDto.cs

@@ -1,5 +1,5 @@
-using System.Collections.Generic;
 using xModels.Base;
+using System.Collections.Generic;
 
 namespace xModels.Dtos
 {

Extensions/DIExtensions.cs

@@ -1,8 +1,8 @@
-using Microsoft.Extensions.DependencyInjection;
-using xCommons.Extensions;
-using xExceptions.Constants;
 using xModels.Base;
 using xModels.Interfaces;
+using xCommons.Extensions;
+using xExceptions.Constants;
+using Microsoft.Extensions.DependencyInjection;
 
 namespace xModels.Extensions {
     public static class DIExtensions {
@@ -13,8 +13,8 @@ namespace xModels.Extensions {
         /// <param name="store">an implementation of inetrface of store ...</param>
         /// <param name="lifeTime">service lifetime</param>
         /// <typeparam name="TImplementation">implementation of TType ...</typeparam>
-        /// <typeparam name="TType">an inetrface which implements IXBaseStore<TStoreItemDto, TKey></typeparam>
+        /// <typeparam name="TType">an inetrface which implements IXBaseStore</typeparam>
-        /// <typeparam name="TStoreItemDto">type of an instance of XBaseStorable<TKey></typeparam>
+        /// <typeparam name="TStoreItemDto">type of an instance of XBaseStorable</typeparam>
         /// <typeparam name="TKey">type of key of StorableItem</typeparam>
         /// <returns></returns>
         public static void AddXStore<TImplementation, TType, TStoreItemDto, TKey> (

Extensions/XModelExtensions.cs

@@ -1,7 +1,7 @@
-using System.Collections.Generic;
 using System.Linq;
-using xCommons.Extensions;
 using xModels.Dtos;
+using xCommons.Extensions;
+using System.Collections.Generic;
 
 namespace xModels.Extensions
 {
@@ -39,5 +39,20 @@ namespace xModels.Extensions
         {
             return source.Select(i => i.Item);
         }
+
+        public static string GetFullname(this XPersonDto source)
+        {
+            //
+            var result = string.Empty;
+
+            //
+            if (!source.IsNullOrDefault())
+            {
+                result = $"{source.Firstname} {source.Lastname}";
+            }
+
+            //
+            return result;
+        }
     }
 }

Interfaces/IXBaseStore.cs

@@ -1,8 +1,8 @@
 using System;
-using System.Collections.Generic;
-using System.Linq.Expressions;
-using System.Threading.Tasks;
 using xModels.Base;
+using System.Threading.Tasks;
+using System.Linq.Expressions;
+using System.Collections.Generic;
 
 namespace xModels.Interfaces {
     public interface IXBaseStore<T, TKey> where T : XBaseStorableDto<TKey> {

Interfaces/IXBaseStoreEvents.cs

@@ -1,6 +1,6 @@
 using System;
-using System.Collections.Generic;
 using xModels.Base;
+using System.Collections.Generic;
 
 namespace xModels.Interfaces
 {

Providers/XBaseInMemoryStore.cs

@@ -1,12 +1,12 @@
 using System;
-using System.Collections.Concurrent;
-using System.Collections.Generic;
 using System.Linq;
-using System.Linq.Expressions;
-using System.Threading.Tasks;
-using xCommons.Extensions;
 using xModels.Base;
 using xModels.Interfaces;
+using xCommons.Extensions;
+using System.Threading.Tasks;
+using System.Linq.Expressions;
+using System.Collections.Generic;
+using System.Collections.Concurrent;
 
 namespace xModels.Providers
 {