Поправил баг при двойном нажатии Insert в списке продуктов

InternetShop/InternetShopForms/InternetShopForms.csproj

@@ -9,8 +9,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Components" Version="1.0.1" />
+    <PackageReference Include="Components" Version="1.0.5" />
-    <PackageReference Include="FixedWinFormsLibrary1" Version="1.0.0" />
+    <PackageReference Include="FixedWinFormsLibrary1" Version="1.0.2" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="9.0.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>

InternetShop/InternetShopForms/Products/FormProductsList.Designer.cs

@@ -29,6 +29,8 @@
         private void InitializeComponent()
         {
             dataGridView = new DataGridView();
+            ColumnId = new DataGridViewTextBoxColumn();
+            ColumnName = new DataGridViewTextBoxColumn();
             ((System.ComponentModel.ISupportInitialize)dataGridView).BeginInit();
             SuspendLayout();
             // 
@@ -40,7 +42,9 @@
             dataGridView.AllowUserToResizeRows = false;
             dataGridView.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
             dataGridView.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
+            dataGridView.Columns.AddRange(new DataGridViewColumn[] { ColumnId, ColumnName });
             dataGridView.Dock = DockStyle.Fill;
+            dataGridView.EditMode = DataGridViewEditMode.EditOnF2;
             dataGridView.Location = new Point(0, 0);
             dataGridView.MultiSelect = false;
             dataGridView.Name = "dataGridView";
@@ -52,6 +56,22 @@
             dataGridView.CellEndEdit += dataGridView_CellEndEdit;
             dataGridView.CellValidating += dataGridView_CellValidating;
             // 
+            // ColumnId
+            // 
+            ColumnId.DataPropertyName = "Id";
+            ColumnId.HeaderText = "Id";
+            ColumnId.MinimumWidth = 6;
+            ColumnId.Name = "ColumnId";
+            ColumnId.ReadOnly = true;
+            ColumnId.Visible = false;
+            // 
+            // ColumnName
+            // 
+            ColumnName.DataPropertyName = "Name";
+            ColumnName.HeaderText = "Name";
+            ColumnName.MinimumWidth = 6;
+            ColumnName.Name = "ColumnName";
+            // 
             // FormProductsList
             // 
             AutoScaleDimensions = new SizeF(8F, 20F);
@@ -69,5 +89,7 @@
         #endregion
 
         private DataGridView dataGridView;
+        private DataGridViewTextBoxColumn ColumnId;
+        private DataGridViewTextBoxColumn ColumnName;
     }
 }

InternetShop/InternetShopForms/Products/FormProductsList.cs

@@ -8,7 +8,7 @@ namespace InternetShopForms.Products
     public partial class FormProductsList : Form
     {
         private IProductLogic _productLogic;
-        private List<ProductViewModel> _products;
+        private List<ProductViewModel> _products = new List<ProductViewModel>();
         public FormProductsList(IProductLogic productLogic)
         {
             InitializeComponent();
@@ -18,19 +18,6 @@ namespace InternetShopForms.Products
 
         private void FormProductsList_Load(object sender, EventArgs e)
         {
-            var idColumn = new DataGridViewColumn();
-            var nameColumn = new DataGridViewColumn();
-            var dataGridViewCell = new DataGridViewTextBoxCell();
-            idColumn.Visible = false;
-            idColumn.DataPropertyName = "Id";
-            idColumn.Name = "Id";
-            idColumn.CellTemplate = dataGridViewCell;
-            nameColumn.DataPropertyName = "Name";
-            nameColumn.HeaderText = "Название";
-            nameColumn.Name = "Name";
-            nameColumn.CellTemplate = dataGridViewCell;
-            dataGridView.Columns.Add(idColumn);
-            dataGridView.Columns.Add(nameColumn);
             LoadData();
         }
 
@@ -42,7 +29,7 @@ namespace InternetShopForms.Products
                 dataGridView.Rows.Clear();
                 foreach (var product in _products)
                 {
-                    dataGridView.Rows.Add(product);
+                    dataGridView.Rows.Add(product.Id, product.Name);
                 }
             }
             catch (Exception ex)
@@ -55,8 +42,15 @@ namespace InternetShopForms.Products
         {
             if (e.KeyCode == Keys.Insert)
             {
-                dataGridView.Rows.Add();
+                try
-                dataGridView.CurrentCell = dataGridView.Rows[dataGridView.RowCount - 1].Cells[1];
+                {
+                    dataGridView.Rows.Add();
+                    dataGridView.CurrentCell = dataGridView.Rows[dataGridView.RowCount - 1].Cells[1];
+                }
+                catch (Exception ex)
+                {
+                    dataGridView.Rows.RemoveAt(dataGridView.RowCount - 1);
+                }
                 e.Handled = true;
             }
             else if (e.KeyCode == Keys.Delete)
@@ -64,16 +58,16 @@ namespace InternetShopForms.Products
                 if (dataGridView.SelectedRows.Count == 1)
                 {
                     DataGridViewRow selectedRow = dataGridView.SelectedRows[0];
-                    var selectedItemIdValue = selectedRow.Cells["Id"].Value;
+                    var selectedItemIdValue = selectedRow.Cells["ColumnId"].Value;
                     if (selectedItemIdValue == null)
                     {
                         dataGridView.Rows.Remove(selectedRow);
                         return;
                     }
                     int selectedItemId = Convert.ToInt32(selectedItemIdValue);
-                    string selectedItemName = (string)selectedRow.Cells["Name"].Value;
+                    string selectedItemName = (string)selectedRow.Cells["ColumnName"].Value;
                     var result = MessageBox.Show(
-                        $"Удалить товар \"{selectedRow.Cells["Id"].Value}\"?",
+                        $"Удалить товар \"{selectedRow.Cells["ColumnId"].Value}\"?",
                         "Подтверждение",
                         MessageBoxButtons.YesNo,
                         MessageBoxIcon.Question
@@ -100,19 +94,19 @@ namespace InternetShopForms.Products
             try
             {
                 DataGridViewRow currentRow = dataGridView.Rows[e.RowIndex];
-                if (currentRow.Cells["Id"].Value == null || Convert.ToInt32(currentRow.Cells["Id"].Value) == 0)
+                if (currentRow.Cells["ColumnId"].Value == null || Convert.ToInt32(currentRow.Cells["ColumnId"].Value) == 0)
                 {
                     _productLogic.Create(new ProductBindingModel
                     {
-                        Name = currentRow.Cells["Name"].Value.ToString()!,
+                        Name = currentRow.Cells["ColumnName"].Value.ToString()!,
                     });
                 }
                 else
                 {
                     _productLogic.Update(new ProductBindingModel
                     {
-                        Id = Convert.ToInt32(currentRow.Cells["Id"].Value),
+                        Id = Convert.ToInt32(currentRow.Cells["ColumnId"].Value),
-                        Name = currentRow.Cells["Name"].Value.ToString(),
+                        Name = currentRow.Cells["ColumnName"].Value.ToString()!,
                     });
                 }
                 MessageBox.Show("Запись сохранена");

InternetShop/InternetShopForms/Products/FormProductsList.resx

@@ -117,4 +117,10 @@
   <resheader name="writer">
     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
+  <metadata name="ColumnId.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
+    <value>True</value>
+  </metadata>
+  <metadata name="ColumnName.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
+    <value>True</value>
+  </metadata>
 </root>