Fixed validation to show errors in a popup window

C968Project/C968Project.csproj.user

@@ -1,5 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <_LastSelectedProfileId>C:\Users\chris\Documents\school\csharp1\C968Project\C968Project\Properties\PublishProfiles\FolderProfile.pubxml</_LastSelectedProfileId>
+  </PropertyGroup>
   <ItemGroup>
     <Compile Update="Views\AddModifyPartScreen.cs">
       <SubType>Form</SubType>

C968Project/Helpers.cs

@@ -31,5 +31,44 @@ namespace C968Project
 
             return false;
         }
+
+        public static void SearchDataGridView(DataGridView data, string searchValue)
+        {
+            // Search the datagridview items for text and then select the first occurence
+            data.CurrentCell = null; 
+
+            string search = searchValue;
+
+            if (searchValue == string.Empty)
+            {
+                MessageBox.Show("Cant search an empty value", "", MessageBoxButtons.OK, MessageBoxIcon.Information);
+                return;
+            }
+
+            if (data.Rows.Count == 0)
+            {
+                MessageBox.Show("Nothing to search for", "", MessageBoxButtons.OK, MessageBoxIcon.Information);
+                return;
+            }
+
+            foreach (DataGridViewRow row in data.Rows)
+            {
+                foreach (DataGridViewCell cell in row.Cells)
+                {
+                    if (cell.FormattedValue != null && cell.FormattedValue.ToString().ToLower().Contains(search.ToLower(), StringComparison.OrdinalIgnoreCase))
+                    {
+                        data.CurrentCell = cell;
+                        return;
+                    }
+                }
+            }
+
+            MessageBox.Show("No matching search results", "", MessageBoxButtons.OK, MessageBoxIcon.Information);
+        }
+
+        public static void ShowErrorMessage(string message, string title = "", MessageBoxButtons buttons = MessageBoxButtons.OK)
+        {
+            MessageBox.Show(message, title, buttons, MessageBoxIcon.Error);
+        }
     }
 }

C968Project/Program.cs

@@ -7,7 +7,7 @@ static class Program
 {
 
     public static Inventory Inventory = new();
-    public static int PartIdCounter = 2;
+    public static int PartIdCounter = 1;
     public static int ProductIdCounter = 1;
 
     private static Part _testInhousePart = new Inhouse()
@@ -33,7 +33,7 @@ static class Program
 
     private static Product _testProduct = new Product()
     {
-        Name = "Product",
+        Name = "One Product",
         InStock = 500,
         Max = 4000,
         Min = 2,
@@ -41,19 +41,25 @@ static class Program
         ProductId = 0,
     };
 
-    /// <summary>
+    private static Product _testProduct2 = new Product()
-    ///  The main entry point for the application.
+    {
-    /// </summary>
+        Name = "Two Product",
+        InStock = 1,
+        Max = 1,
+        Min = 1,
+        Price = 1.40f,
+        ProductId = 1,
+    };
+
     [STAThread]
     static void Main()
     {
         Inventory.AddPart(_testOutsourcedPart);
         Inventory.AddPart(_testInhousePart);
         Inventory.AddProduct(_testProduct);
+        Inventory.AddProduct(_testProduct2);
         Inventory.Products[0].AddAssociatedPart(Inventory.Parts[0]);
 
-        // To customize application configuration such as set high DPI settings or default font,
-        // see https://aka.ms/applicationconfiguration.
         ApplicationConfiguration.Initialize();
         Application.Run(new MainScreen());
     }

C968Project/Properties/PublishProfiles/FolderProfile.pubxml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- https://go.microsoft.com/fwlink/?LinkID=208121. -->
+<Project>
+  <PropertyGroup>
+    <Configuration>Release</Configuration>
+    <Platform>Any CPU</Platform>
+    <PublishDir>bin\Release\net9.0-windows\publish\</PublishDir>
+    <PublishProtocol>FileSystem</PublishProtocol>
+    <_TargetId>Folder</_TargetId>
+  </PropertyGroup>
+</Project>

C968Project/Properties/PublishProfiles/FolderProfile.pubxml.user

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- https://go.microsoft.com/fwlink/?LinkID=208121. -->
+<Project>
+  <PropertyGroup>
+    <History>True|2025-05-16T03:22:13.0789367Z||;</History>
+    <LastFailureDetails />
+  </PropertyGroup>
+</Project>

C968Project/Views/AddModifyPartScreen.Designer.cs

@@ -118,7 +118,7 @@
             nameTextBox.Name = "nameTextBox";
             nameTextBox.Size = new Size(153, 23);
             nameTextBox.TabIndex = 4;
-            nameTextBox.Validating += nameTextBox_Validating;
+            nameTextBox.TextChanged += nameTextBox_TextChanged;
             // 
             // inventoryLabel
             // 
@@ -135,7 +135,7 @@
             inventoryTextBox.Name = "inventoryTextBox";
             inventoryTextBox.Size = new Size(153, 23);
             inventoryTextBox.TabIndex = 6;
-            inventoryTextBox.Validating += inventoryTextBox_Validating;
+            inventoryTextBox.TextChanged += inventoryTextBox_TextChanged;
             // 
             // priceCostLabel
             // 
@@ -152,7 +152,7 @@
             priceCostTextBox.Name = "priceCostTextBox";
             priceCostTextBox.Size = new Size(153, 23);
             priceCostTextBox.TabIndex = 8;
-            priceCostTextBox.Validating += priceCostTextBox_Validating;
+            priceCostTextBox.TextChanged += priceCostTextBox_TextChanged;
             // 
             // machineCompanyLabel
             // 
@@ -169,7 +169,7 @@
             machineCompanyTextBox.Name = "machineCompanyTextBox";
             machineCompanyTextBox.Size = new Size(153, 23);
             machineCompanyTextBox.TabIndex = 10;
-            machineCompanyTextBox.Validating += machineCompanyTextBox_Validating;
+            machineCompanyTextBox.TextChanged += machineCompanyTextBox_TextChanged;
             // 
             // label6
             // 
@@ -186,7 +186,7 @@
             maxTextBox.Name = "maxTextBox";
             maxTextBox.Size = new Size(69, 23);
             maxTextBox.TabIndex = 12;
-            maxTextBox.Validating += maxTextBox_Validating;
+            maxTextBox.TextChanged += maxTextBox_TextChanged;
             // 
             // label7
             // 
@@ -203,7 +203,7 @@
             minTextBox.Name = "minTextBox";
             minTextBox.Size = new Size(69, 23);
             minTextBox.TabIndex = 14;
-            minTextBox.Validating += minTextBox_Validating;
+            minTextBox.TextChanged += minTextBox_TextChanged;
             // 
             // saveButton
             // 

C968Project/Views/AddModifyPartScreen.cs

@@ -38,16 +38,14 @@ namespace C968Project.Views
             {
                 screenLabel.Text = "Add Part";
                 ChangeMode(Mode.INHOUSE);
-                ValidateInputs();
             }
             else if (screenOption == ScreenOption.MODIFY)
             {
                 screenLabel.Text = "Modify Part";
                 PopulatePartData(_selectedPart);
-                inHouseRadioButton.Enabled = false;
-                outsourcedRadioButton.Enabled = false;
-                ValidateInputs();
             }
+
+            ValidateInputs(true);
         }
 
         private void PopulatePartData(Part part)
@@ -193,22 +191,35 @@ namespace C968Project.Views
             OUTSOURCED
         }
 
-        private bool ValidateInputs()
+        private bool ValidateInputs(bool initial = false)
         {
-            ValidateName();
+            bool valid = false;
-            ValidateInventory();
+            string err = string.Empty;
-            ValidatePrice();
-            ValidateMax();
-            ValidateMin();
-            ValidateMachineOrCompany();
 
-            return _isNameValid && _isInventoryValid && _isPriceValid && _isMaxValid && _isMinValid && _isMachineOrCompanyValid;
+            err += ValidateName();
+            err += ValidateInventory();
+            err += ValidatePrice();
+            err += ValidateMax();
+            err += ValidateMin();
+            err += ValidateMachineOrCompany();
+
+            valid = _isNameValid && _isInventoryValid && _isPriceValid && _isMaxValid && _isMinValid && _isMachineOrCompanyValid;
+
+            if (!valid && !initial)
+            {
+                Helpers.ShowErrorMessage(err, "Validation error");
+            }
+
+            return valid;
         }
 
-        private void ValidateName()
+        private string ValidateName()
         {
+            string err = string.Empty;
+
             if (nameTextBox.Text == string.Empty)
             {
+                err = "Part must have a name\n";
                 errorProvider1.SetError(nameTextBox, "Please enter a part name");
                 _isNameValid = false;
             }
@@ -219,15 +230,12 @@ namespace C968Project.Views
             }
 
             Helpers.SetTextBoxValidationState(nameTextBox, _isNameValid);
+            return err;
         }
 
-        private void nameTextBox_Validating(object sender, CancelEventArgs e)
+        private string ValidateInventory()
-        {
-            ValidateName();
-        }
-
-        private void ValidateInventory()
         {
+            string err = string.Empty;
             int inventory = 0;
 
             if (inventoryTextBox.Text != string.Empty && int.TryParse(inventoryTextBox.Text, out inventory))
@@ -236,11 +244,13 @@ namespace C968Project.Views
                 {
                     if (inventory > _validatedMax)
                     {
+                        err = $"Inventory must be less than Max: {_validatedMax}\n";
                         errorProvider1.SetError(inventoryTextBox, $"Must be less than Max: {_validatedMax}");
                         _isInventoryValid = false;
                     }
                     else if (inventory < _validatedMin)
                     {
+                        err = $"Inventory must be more than Min: {_validatedMin}\n";
                         errorProvider1.SetError(inventoryTextBox, $"Must be greater than Min: {_validatedMin}");
                         _isInventoryValid = false;
                     }
@@ -252,26 +262,25 @@ namespace C968Project.Views
                 }
                 else
                 {
+                    err = "Inventory can't be set without valid Min and Max values\n";
                     errorProvider1.SetError(inventoryTextBox, $"Min and Max values must be set");
                     _isInventoryValid = false;
                 }
             }
             else
             {
+                err = "Inventory must be an integer value\n";
                 _isInventoryValid = false;
                 errorProvider1.SetError(inventoryTextBox, "Field must contain an integer value");
             }
 
             Helpers.SetTextBoxValidationState(inventoryTextBox, _isInventoryValid);
+            return err;
         }
 
-        private void inventoryTextBox_Validating(object sender, CancelEventArgs e)
+        private string ValidatePrice()
-        {
-            ValidateInventory();
-        }
-
-        private void ValidatePrice()
         {
+            string err = string.Empty;
             float price = 0f;
 
             if (priceCostTextBox.Text != string.Empty && float.TryParse(priceCostTextBox.Text, out price))
@@ -283,18 +292,16 @@ namespace C968Project.Views
             {
                 _isPriceValid = false;
                 errorProvider1.SetError(priceCostTextBox, "Field must contain a floating point number");
+                err = "Price must be a decimal value\n";
             }
 
             Helpers.SetTextBoxValidationState(priceCostTextBox, _isPriceValid);
+            return err;
         }
 
-        private void priceCostTextBox_Validating(object sender, CancelEventArgs e)
+        private string ValidateMax()
-        {
-            ValidatePrice();
-        }
-
-        private void ValidateMax()
         {
+            string err = string.Empty;
             int max = 0;
             if (maxTextBox.Text != string.Empty && int.TryParse(maxTextBox.Text, out max))
             {
@@ -306,19 +313,23 @@ namespace C968Project.Views
             {
                 _isMaxValid = false;
                 errorProvider1.SetError(maxTextBox, "Field must contain an integer value");
+                err = "Max must be an integer value\n";
+            }
+
+            if (_isMinValid && _isMaxValid && _validatedMax < _validatedMin)
+            {
+                _isMaxValid = false;
+                err = $"Max cannot be less than Min: {_validatedMin}\n";
+                errorProvider1.SetError(maxTextBox, $"Max cannot be less than Min: {_validatedMin}");
             }
 
             ValidateInventory();
             Helpers.SetTextBoxValidationState(maxTextBox, _isMaxValid);
+            return err;
         }
-
+        private string ValidateMin()
-        private void maxTextBox_Validating(object sender, CancelEventArgs e)
-        {
-            ValidateMax();
-        }
-
-        private void ValidateMin()
         {
+            string err = string.Empty;
             int min = 0;
             if (minTextBox.Text != string.Empty && int.TryParse(minTextBox.Text, out min))
             {
@@ -330,19 +341,25 @@ namespace C968Project.Views
             {
                 _isMinValid = false;
                 errorProvider1.SetError(minTextBox, "Field must contain an integer value");
+                err = "Min must be an integer value\n";
+            }
+
+            if (_isMinValid && _isMaxValid && _validatedMin > _validatedMax)
+            {
+                _isMinValid = false;
+                err = $"Min cannot be more than Max: {_validatedMax}\n";
+                errorProvider1.SetError(maxTextBox, $"Min cannot be more than Max: {_validatedMax}");
             }
 
             ValidateInventory();
             Helpers.SetTextBoxValidationState(minTextBox, _isMinValid);
+            return err;
         }
 
-        private void minTextBox_Validating(object sender, CancelEventArgs e)
+        private string ValidateMachineOrCompany()
         {
-            ValidateMin();
+            string err = string.Empty;
-        }
 
-        private void ValidateMachineOrCompany()
-        {
             if (machineCompanyTextBox.Text == string.Empty)
             {
                 _isMachineOrCompanyValid = false;
@@ -350,11 +367,13 @@ namespace C968Project.Views
                 if (_mode is Mode.INHOUSE)
                 {
                     errorProvider1.SetError(machineCompanyTextBox, "Field must contain an integer value");
+                    err = "Machine ID must have an integer value\n";
                 }
 
                 if (_mode is Mode.OUTSOURCED)
                 {
                     errorProvider1.SetError(machineCompanyTextBox, "Field must contain a value");
+                    err = "Company Name must have a value\n";
                 }
             }
             else
@@ -371,6 +390,7 @@ namespace C968Project.Views
                     {
                         _isMachineOrCompanyValid = false;
                         errorProvider1.SetError(machineCompanyTextBox, "Field must contain an integer value");
+                        err = "Machine ID must be an integer value\n";
                     }
                 }
 
@@ -385,11 +405,42 @@ namespace C968Project.Views
             }
 
             Helpers.SetTextBoxValidationState(machineCompanyTextBox, _isMachineOrCompanyValid);
+            return err;
         }
 
         private void machineCompanyTextBox_Validating(object sender, CancelEventArgs e)
         {
             ValidateMachineOrCompany();
         }
+
+        private void nameTextBox_TextChanged(object sender, EventArgs e)
+        {
+            ValidateName();
+        }
+
+        private void inventoryTextBox_TextChanged(object sender, EventArgs e)
+        {
+            ValidateInventory();
+        }
+
+        private void priceCostTextBox_TextChanged(object sender, EventArgs e)
+        {
+            ValidatePrice();
+        }
+
+        private void maxTextBox_TextChanged(object sender, EventArgs e)
+        {
+            ValidateMax();
+        }
+
+        private void minTextBox_TextChanged(object sender, EventArgs e)
+        {
+            ValidateMin();
+        }
+
+        private void machineCompanyTextBox_TextChanged(object sender, EventArgs e)
+        {
+            ValidateMachineOrCompany();
+        }
     }
 }

C968Project/Views/AddModifyProductScreen.Designer.cs

@@ -178,6 +178,7 @@
             searchButton.TabIndex = 19;
             searchButton.Text = "Search";
             searchButton.UseVisualStyleBackColor = true;
+            searchButton.Click += searchButton_Click;
             // 
             // searchTextBox
             // 
@@ -188,9 +189,12 @@
             // 
             // allPartsDataGridView
             // 
+            allPartsDataGridView.AllowUserToAddRows = false;
+            allPartsDataGridView.AllowUserToDeleteRows = false;
             allPartsDataGridView.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
             allPartsDataGridView.Location = new Point(407, 91);
             allPartsDataGridView.Name = "allPartsDataGridView";
+            allPartsDataGridView.ReadOnly = true;
             allPartsDataGridView.Size = new Size(482, 150);
             allPartsDataGridView.TabIndex = 21;
             // 
@@ -214,9 +218,11 @@
             // 
             // associatedPartsDataGridView
             // 
+            associatedPartsDataGridView.AllowUserToAddRows = false;
             associatedPartsDataGridView.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
             associatedPartsDataGridView.Location = new Point(407, 361);
             associatedPartsDataGridView.Name = "associatedPartsDataGridView";
+            associatedPartsDataGridView.ReadOnly = true;
             associatedPartsDataGridView.Size = new Size(482, 150);
             associatedPartsDataGridView.TabIndex = 25;
             // 

C968Project/Views/AddModifyProductScreen.cs

@@ -45,7 +45,7 @@ namespace C968Project.Views
 
             allPartsDataGridView.DataSource = Program.Inventory.Parts;
 
-            ValidateInputs();
+            ValidateInputs(true);
         }
 
         private void PopulateProductData(Product product)
@@ -117,7 +117,7 @@ namespace C968Project.Views
 
         private void saveButton_Click(object sender, EventArgs e)
         {
-             if (ValidateInputs())
+            if (ValidateInputs())
             {
                 if (_screenOption is ScreenOption.ADD)
                 {
@@ -185,11 +185,14 @@ namespace C968Project.Views
             ValidateName();
         }
 
-        private void ValidateName()
+        private string ValidateName()
         {
+            string err = string.Empty;
+
             if (nameTextBox.Text == string.Empty)
             {
-                errorProvider1.SetError(nameTextBox, "Please enter a product name");
+                err = "Must have a product name\n";
+                errorProvider1.SetError(nameTextBox, "Must have a product name");
                 _isNameValid = false;
             }
             else
@@ -199,6 +202,7 @@ namespace C968Project.Views
             }
 
             Helpers.SetTextBoxValidationState(nameTextBox, _isNameValid);
+            return err;
         }
 
         private void inventoryTextBox_TextChanged(object sender, EventArgs e)
@@ -206,8 +210,9 @@ namespace C968Project.Views
             ValidateInventory();
         }
 
-        private void ValidateInventory()
+        private string ValidateInventory()
         {
+            string err = string.Empty;
             int inventory = 0;
 
             if (inventoryTextBox.Text != string.Empty && int.TryParse(inventoryTextBox.Text, out inventory))
@@ -216,11 +221,13 @@ namespace C968Project.Views
                 {
                     if (inventory > _validatedMax)
                     {
+                        err = $"Inventory must be less than Max: {_validatedMax}\n";
                         errorProvider1.SetError(inventoryTextBox, $"Must be less than Max: {_validatedMax}");
                         _isInventoryValid = false;
                     }
                     else if (inventory < _validatedMin)
                     {
+                        err = $"Inventory must be greater than Min: {_validatedMin}\n";
                         errorProvider1.SetError(inventoryTextBox, $"Must be greater than Min: {_validatedMin}");
                         _isInventoryValid = false;
                     }
@@ -232,17 +239,20 @@ namespace C968Project.Views
                 }
                 else
                 {
+                    err = $"Inventory can't be set without valid Min and Max values\n";
                     errorProvider1.SetError(inventoryTextBox, $"Min and Max values must be set");
                     _isInventoryValid = false;
                 }
             }
             else
             {
+                err = $"Inventory must contain an integer\n";
                 _isInventoryValid = false;
                 errorProvider1.SetError(inventoryTextBox, "Field must contain an integer value");
             }
 
             Helpers.SetTextBoxValidationState(inventoryTextBox, _isInventoryValid);
+            return err;
         }
 
         private void priceTextBox_TextChanged(object sender, EventArgs e)
@@ -250,8 +260,9 @@ namespace C968Project.Views
             ValidatePrice();
         }
 
-        private void ValidatePrice()
+        private string ValidatePrice()
         {
+            string err = string.Empty;
             float price = 0f;
 
             if (priceTextBox.Text != string.Empty && float.TryParse(priceTextBox.Text, out price))
@@ -262,10 +273,12 @@ namespace C968Project.Views
             else
             {
                 _isPriceValid = false;
-                errorProvider1.SetError(priceTextBox, "Field must contain a floating point number");
+                err = "Price must contain a decimal value\n";
+                errorProvider1.SetError(priceTextBox, "Field must contain a decimal value");
             }
 
             Helpers.SetTextBoxValidationState(priceTextBox, _isPriceValid);
+            return err;
         }
 
         private void maxTextBox_TextChanged(object sender, EventArgs e)
@@ -273,8 +286,9 @@ namespace C968Project.Views
             ValidateMax();
         }
 
-        private void ValidateMax()
+        private string ValidateMax()
         {
+            string err = string.Empty;
             int max = 0;
             if (maxTextBox.Text != string.Empty && int.TryParse(maxTextBox.Text, out max))
             {
@@ -286,10 +300,19 @@ namespace C968Project.Views
             {
                 _isMaxValid = false;
                 errorProvider1.SetError(maxTextBox, "Field must contain an integer value");
+                err = "Max must be an integer value\n";
+            }
+
+            if (_isMinValid && _isMaxValid && _validatedMax < _validatedMin)
+            {
+                _isMaxValid = false;
+                err = $"Max cannot be less than Min: {_validatedMin}\n";
+                errorProvider1.SetError(maxTextBox, $"Max cannot be less than Min: {_validatedMin}");
             }
 
             ValidateInventory();
             Helpers.SetTextBoxValidationState(maxTextBox, _isMaxValid);
+            return err;
         }
 
         private void minTextBox_TextChanged(object sender, EventArgs e)
@@ -297,8 +320,9 @@ namespace C968Project.Views
             ValidateMin();
         }
 
-        private void ValidateMin()
+        private string ValidateMin()
         {
+            string err = string.Empty;
             int min = 0;
             if (minTextBox.Text != string.Empty && int.TryParse(minTextBox.Text, out min))
             {
@@ -310,21 +334,45 @@ namespace C968Project.Views
             {
                 _isMinValid = false;
                 errorProvider1.SetError(minTextBox, "Field must contain an integer value");
+                err = "Min must be an integer value\n";
+            }
+
+            if (_isMinValid && _isMaxValid && _validatedMin > _validatedMax)
+            {
+                _isMinValid = false;
+                err = $"Min cannot be more than Max: {_validatedMax}\n";
+                errorProvider1.SetError(maxTextBox, $"Min cannot be more than Max: {_validatedMax}");
             }
 
             ValidateInventory();
             Helpers.SetTextBoxValidationState(minTextBox, _isMinValid);
+            return err;
         }
 
-        private bool ValidateInputs()
+        private bool ValidateInputs(bool initial = false)
         {
-            ValidateName();
+            bool valid = false;
-            ValidateInventory();
+            string err = string.Empty;
-            ValidatePrice();
-            ValidateMin();
-            ValidateMax();
 
-            return _isNameValid && _isInventoryValid && _isPriceValid && _isMinValid && _isMaxValid;
+             err += ValidateName();
+             err += ValidateInventory();
+             err += ValidatePrice();
+             err += ValidateMin();
+             err += ValidateMax();
+
+            valid = _isNameValid && _isInventoryValid && _isPriceValid && _isMinValid && _isMaxValid;
+
+            if (!valid && !initial)
+            {
+                Helpers.ShowErrorMessage(err, "Validation error");
+            }
+
+            return valid;
+        }
+
+        private void searchButton_Click(object sender, EventArgs e)
+        {
+            Helpers.SearchDataGridView(allPartsDataGridView, searchTextBox.Text);
         }
     }
 }

C968Project/Views/AddModifyProductScreen.resx

@@ -123,4 +123,7 @@
   <metadata name="$this.Locked" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
     <value>True</value>
   </metadata>
+  <metadata name="$this.TrayHeight" type="System.Int32, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
+    <value>60</value>
+  </metadata>
 </root>

C968Project/Views/MainScreen.Designer.cs

@@ -156,10 +156,12 @@ partial class MainScreen
         // 
         // productsDataGridView
         // 
+        productsDataGridView.AllowUserToAddRows = false;
         productsDataGridView.Anchor = AnchorStyles.Right;
         productsDataGridView.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
         productsDataGridView.Location = new Point(477, 112);
         productsDataGridView.Name = "productsDataGridView";
+        productsDataGridView.ReadOnly = true;
         productsDataGridView.Size = new Size(440, 162);
         productsDataGridView.TabIndex = 9;
         // 
@@ -237,10 +239,12 @@ partial class MainScreen
         // 
         // partsDataGridView
         // 
+        partsDataGridView.AllowUserToAddRows = false;
         partsDataGridView.Anchor = AnchorStyles.Left;
         partsDataGridView.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
         partsDataGridView.Location = new Point(12, 112);
         partsDataGridView.Name = "partsDataGridView";
+        partsDataGridView.ReadOnly = true;
         partsDataGridView.Size = new Size(440, 162);
         partsDataGridView.TabIndex = 0;
         // 

C968Project/Views/MainScreen.cs

@@ -68,7 +68,7 @@ public partial class MainScreen : Form
 
     private void partsSearchButton_Click(object sender, EventArgs e)
     {
-        // TODO: Search functionality
+        Helpers.SearchDataGridView(partsDataGridView, partsSearchTextBox.Text);
     }
 
     // --- Products
@@ -126,7 +126,7 @@ public partial class MainScreen : Form
 
     private void productsSearchButton_Click(object sender, EventArgs e)
     {
-        // TODO: Search functionality
+        Helpers.SearchDataGridView(productsDataGridView, productsSearchTextBox.Text);
     }