Added the design of the number deletion form.

NumberDelete.cs

@@ -25,25 +25,24 @@ public NumberDelete(IDataAcces dataAcces)
 
         private void MapperSearch()
         {
-            SearchDto.Name = txtName.Text;
-            SearchDto.Lastname = txtLastname.Text;
+            SearchDto.NameSurname = txtNameSurname.Text;
             var config = new MapperConfiguration(cfg => cfg.CreateMap<Person, PersonDTO>());
             var mapper = new Mapper(config);
             directoryDTO = mapper.Map<PersonDTO>(SearchDto);
-            ResultForm(dataAcces.Search(directoryDTO)); //  mantıklı değil pek 
+            ResultForm(dataAcces.Search(directoryDTO));  
         }
 
         private void ResultForm(bool _resultSearch)
         {
             if(_resultSearch == true)
             {
                 pnlDelete.Visible = true;
-                lblName.Text = SearchDto.Name;
-                lblLastname.Text = SearchDto.Lastname;
+                lblNameSurname.Text = SearchDto.NameSurname;
+
             }
             else
             {
-                MessageBox.Show("No record found named "+txtName.Text + " " + txtLastname.Text+ ". Please try again");
+                MessageBox.Show("The data suitable for the " + txtNameSurname.Text + ". you are looking for could not be found in the directory. Please make a selection. End the deletion or try again!");
             }
         }
         private void btnSearch_Click(object sender, EventArgs e)
@@ -62,5 +61,7 @@ private void btnNo_Click(object sender, EventArgs e)
         {
             MessageBox.Show("No action was taken.");
         }
+
+
     }
 }

Person.cs

@@ -8,8 +8,7 @@ namespace Phonebook
 {
     public class Person
     {
-        public string Name {  get;  set;  }
-        public string Lastname { get; set; }
+        public string NameSurname { get; set; }
         public long Number { get; set; }
 
     }    

models/PersonDTO.cs

@@ -8,8 +8,7 @@ namespace Phonebook.models
 {
     public class PersonDTO
     {
-        public string Name { get; set; }
-        public string Lastname { get; set; }
+        public string NameSurname { get; set; }
         public long Number { get; set; }
     }
 }