diff --git a/ProjectLibrary/Forms/FBooks.cs b/ProjectLibrary/Forms/FBooks.cs
index 91e6c78..a4b82b6 100644
--- a/ProjectLibrary/Forms/FBooks.cs
+++ b/ProjectLibrary/Forms/FBooks.cs
@@ -20,6 +20,7 @@ namespace ProjectLibrary.Forms
             // Привязывает к DataGridView коллекцию книг, полученную из репозитория.
             // Устанавливает источник данных DataGridView (dataGridViewBooks) как список объектов из ReadBooks().
             dataGridViewBooks.DataSource = _bookRepository.ReadBooks();
+            dataGridViewBooks.Columns["Id"].Visible = false;
         }
 
         private bool TryGetIdentifierFromSelectedRow(out int id)
diff --git a/ProjectLibrary/Forms/FLibraries.cs b/ProjectLibrary/Forms/FLibraries.cs
index 499a120..3318dce 100644
--- a/ProjectLibrary/Forms/FLibraries.cs
+++ b/ProjectLibrary/Forms/FLibraries.cs
@@ -85,6 +85,7 @@ namespace ProjectLibrary.Forms
         private void LoadList()
         {
             dataGridViewOrders.DataSource = _libraryRepository.ReadLibraries();
+            dataGridViewOrders.Columns["Id"].Visible = false;
         }
         private bool TryGetIdentifierFromSelectedRow(out int id)
         {
diff --git a/ProjectLibrary/Forms/FLibrary.cs b/ProjectLibrary/Forms/FLibrary.cs
index 8a3676a..20356bb 100644
--- a/ProjectLibrary/Forms/FLibrary.cs
+++ b/ProjectLibrary/Forms/FLibrary.cs
@@ -41,7 +41,7 @@ namespace ProjectLibrary.Forms
             _libraryRepository = libraryRepository ?? throw new ArgumentNullException(nameof(libraryRepository));
 
             Book.DataSource = bookRepository.ReadBooks();
-            Book.DisplayMember = "Name";
+            Book.DisplayMember = "NameTypeBookID";
             Book.ValueMember = "Id";
         }
 
diff --git a/ProjectLibrary/Forms/FOrder.cs b/ProjectLibrary/Forms/FOrder.cs
index 7da78a2..35f567c 100644
--- a/ProjectLibrary/Forms/FOrder.cs
+++ b/ProjectLibrary/Forms/FOrder.cs
@@ -21,7 +21,7 @@ namespace ProjectLibrary.Forms
             comboBox.ValueMember = "Id";
 
             Book.DataSource = bookRepository.ReadBooks();
-            Book.DisplayMember = "Name";
+            comboBox.DisplayMember = "NameTypeBookID";
             Book.ValueMember = "Id";
         }
 
diff --git a/ProjectLibrary/Forms/FOrders.cs b/ProjectLibrary/Forms/FOrders.cs
index e720877..49603e7 100644
--- a/ProjectLibrary/Forms/FOrders.cs
+++ b/ProjectLibrary/Forms/FOrders.cs
@@ -18,6 +18,9 @@ namespace ProjectLibrary.Forms
         private void LoadList()
         {
             dataGridViewOrders.DataSource = _orderRepository.ReadOrders();
+            dataGridViewOrders.Columns["Id"].Visible = false;
+            dataGridViewOrders.Columns["OrderDate"].DefaultCellStyle.Format = "dd.MM.yyyy";
+            dataGridViewOrders.Columns["ReturnDate"].DefaultCellStyle.Format = "dd.MM.yyyy";
         }
 
         private void buttonAdd_Click(object sender, EventArgs e)
diff --git a/ProjectLibrary/Forms/FReaders.cs b/ProjectLibrary/Forms/FReaders.cs
index 4d8b770..42bff89 100644
--- a/ProjectLibrary/Forms/FReaders.cs
+++ b/ProjectLibrary/Forms/FReaders.cs
@@ -19,6 +19,7 @@ namespace ProjectLibrary.Forms
         private void LoadList()
         {
             dataGridViewReaders.DataSource = _readerRepository.ReadReaders();
+            dataGridViewReaders.Columns["Id"].Visible = false;
         }
         private void FReaders_Load(object sender, EventArgs e)
         {
diff --git a/ProjectLibrary/Forms/FTiclet_Extensions.cs b/ProjectLibrary/Forms/FTiclet_Extensions.cs
index 858fec3..76f6be6 100644
--- a/ProjectLibrary/Forms/FTiclet_Extensions.cs
+++ b/ProjectLibrary/Forms/FTiclet_Extensions.cs
@@ -62,6 +62,9 @@ namespace ProjectLibrary.Forms
         private void LoadList()
         {
             dataGridView.DataSource = _ticketRepository.ReadTicketExtensions();
+            dataGridView.Columns["Id"].Visible = false;
+            dataGridView.Columns["LastUpdateDate"].DefaultCellStyle.Format = "dd MMMM yyyy";
+            dataGridView.Columns["NextUpdateDate"].DefaultCellStyle.Format = "dd MMMM yyyy";
         }
         private bool TryGetIdentifierFromSelectedRow(out int id)
         {