лаб4 upd

Library/PluginsConvention.cs

@@ -33,7 +33,41 @@ namespace Library
 
 		public UserControl GetControl
 		{
-			get { return _controlDataTable; }
+			get 
+			{
+				Load();
+				return _controlDataTable; 
+			}
+		}
+
+		private void Load()
+		{
+			_controlDataTable.TableConfiguration(5, new List<TableParameters>
+					{
+						new TableParameters("Id", 80, false, "Id"),
+						new TableParameters("Название", 100, true, "Name"),
+						new TableParameters("Автор", 180, true, "Author"),
+						new TableParameters("Обложка", 80, false, "PicturePath"),
+						new TableParameters("Дата издания", 150, true, "PublicationDate")
+					});
+
+			LoadData();
+		}
+		private void LoadData()
+		{
+			try
+			{
+				_controlDataTable.ClearRows();
+				var list = _bookLogic.Read(null);
+				foreach (var row in list)
+				{
+					_controlDataTable.AddRow(row);
+				}
+			}
+			catch (Exception ex)
+			{
+				MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+			}
 		}
 
 		public PluginsConvention()
@@ -87,37 +121,7 @@ namespace Library
 
 		public void ReloadData()
 		{
-			try
-			{
-				var list = _bookLogic.Read(null);
-				if (list != null)
-				{
-					_controlDataTable.ClearRows();
-
-					_controlDataTable.TableConfiguration(5, new List<TableParameters>
-					{
-						new TableParameters("Id", 80, false, "Id"),
-						new TableParameters("Название", 100, true, "Name"),
-						new TableParameters("Автор", 180, true, "Author"),
-						new TableParameters("Обложка", 80, false, "PicturePath"),
-						new TableParameters("Дата издания", 150, true, "PublicationDate")
-					});
-
-					foreach (var row in list)
-					{
-						_controlDataTable.AddRow(row);
-					}
-				}
-			}
-			catch (Exception ex)
-			{
-				MessageBox.Show(
-					ex.Message,
-					"Ошибка",
-					MessageBoxButtons.OK,
-					MessageBoxIcon.Error
-				);
-			}
+			LoadData();
 		}
 
 		public bool CreateSimpleDocument(PluginsConventionSaveDocument saveDocument)