private void btnSaveProduct_Click(object sender, EventArgs e)
{
if (Validator.IsPresent(txtModifyProduct))
{
string selectedProd = lstProductList.GetItemText(lstProductList.SelectedItem);
string editedProd = txtModifyProduct.Text;
if (selectedProd != editedProd)
{
DialogResult update =
MessageBox.Show("Change '" + selectedProd + "' to '" + editedProd + "'?"
, "Confirm Change", MessageBoxButtons.OKCancel, MessageBoxIcon.Question);
if (update == DialogResult.OK)
{
ProductDB.UpdateProduct(selectedProd, editedProd);
// Refresh table adapter to display updated list
this.frmModifyProductSupplier_Load(this, null);
// Select the item that was just updated
int index = lstProductList.FindString(editedProd, -1);
if (index != -1)
{
lstProductList.SetSelected(index, true);
}
}
}
}
}
// Save button for the products tab
private void btnSaveProduct_Click(object sender, EventArgs e)
{
string selectedProd = lstProductList.GetItemText(lstProductList.SelectedItem);
string editedProd = txtModifyProduct.Text;
// Validation to see if the typed product is already in the list
int index = lstProductList.FindString(editedProd, -1);
if (editedProd != "" && index != -1)
{
MessageBox.Show("Warning: Product already exists.", "Duplicate Error", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
else
{
// Test for saving
if (lstProductList.Enabled == false && editedProd != "") // Test if adding product
{
DialogResult result = MessageBox.Show("Save '" + editedProd + "' as a new product?", "Confirm Add",
MessageBoxButtons.OKCancel, MessageBoxIcon.Exclamation);
if (result == DialogResult.OK)
{
ProductDB.AddProductName(editedProd);
this.frmModifyProductSupplier_Load(this, null);
// Select the item that was just saved
SelectItem(editedProd, lstProductList);
}
}
else if (lstProductList.Enabled == false && editedProd == "") // If adding product, check if textbox is empty
{
MessageBox.Show("Please enter a new product name.", "Entry Error",
MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
txtModifyProduct.Focus();
}
else if (lstProductList.Enabled == true && selectedProd != editedProd) // Test if editing a selected product
{
DialogResult update =
MessageBox.Show("Change '" + selectedProd + "' to '" + editedProd + "'?"
, "Confirm Change", MessageBoxButtons.OKCancel, MessageBoxIcon.Question);
if (update == DialogResult.OK)
{
ProductDB.UpdateProduct(selectedProd, editedProd);
// Refresh table adapter to display updated list
this.frmModifyProductSupplier_Load(this, null);
// Select the item that was just updated
SelectItem(editedProd, lstProductList);
}
}
else if (lstProductList.Enabled == true && selectedProd == "") // Test if editing a product but nothing is selected
{
MessageBox.Show("Please select a product to edit.", "Item Not Selected",
MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
txtModifyProduct.Focus();
}
}
}
private void btnEditProduct_Click(object sender, EventArgs e)
{
string pronameText = textBoxEditProName.Text;
pronameText = pronameText.Trim();
if (pronameText != "")
{
//Get the product to edit
int selectedIndex = productDataGridView.CurrentCell.RowIndex;
Product oldProd = products[selectedIndex];
//Make a copy
Product newProd = oldProd.GetCopy();
//Update the copy with new data
newProd.ProdName = textBoxEditProName.Text;
if (newProd.ProdName != oldProd.ProdName) //Check if a change was made
{
//Write to DB
try
{
bool result = ProductDB.UpdateProduct(oldProd, newProd);
if (result)
{
//Update the UI
products = ProductDB.GetProducts();
productDataGridView.DataSource = products;
MessageBox.Show("The new product name has been saved", "Product Updated",
MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
MessageBox.Show("The changes were not saved", "Updated Failed",
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().ToString(),
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
//Hide the panel if updates were done
panelProductEdit.Visible = false;
btnAddProductClick.Enabled = true;
btnDeleteProductClick.Enabled = true;
}
else //Display error message if Product name textbox was blank.
{
MessageBox.Show("Please provide product name.", "Missing Data",
MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
private void btnUpdate_Click(object sender, EventArgs e)
{
if (txtUpdate.Text != null)
{
ProductDB.UpdateProduct(txtUpdate.Text, oldprodname);
txtUpdate.Text = "";
}
product = ProductDB.GetAllProducts();
dataGridView1.DataSource = product;
this.Refresh();
}
private void btnDeactivate_Click(object sender, EventArgs e)
{
if (txtUpdate.Text != null)
{
string deactivate = ("inactive" + txtUpdate.Text);
ProductDB.UpdateProduct(deactivate, oldprodname);
txtUpdate.Text = "";
}
product = ProductDB.GetAllProducts();
dataGridView1.DataSource = product;
this.Refresh();
}
private void BtnAccept_Click(object sender, EventArgs e)
{
if (IsValidData())
{
if (addproducts) // processing Add
{
products = new Product();
PutProduct(products);
try
{
ProductDB.AddProduct(products);
MessageBox.Show("New Item with Product Id of " + products.ProductID + " and Product Name of " + products.ProdName + " was added");
this.DialogResult = DialogResult.OK;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().ToString());
}
}
else // processing Modify
{
Product newProduct = new Product();
newProduct.ProductID = Convert.ToInt32(txtProductID.Text);
txtProductID.Enabled = false;
newProduct.ProdName = txtProdName.Text;
PutProduct(newProduct);
try
{
if (!ProductDB.UpdateProduct(newProduct, modifyProduct))
{
MessageBox.Show("Another user has updated or " +
"deleted that product.", "Database Error");
this.DialogResult = DialogResult.Retry;
}
else
{
products = newProduct;
this.DialogResult = DialogResult.OK;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().ToString());
}
}
}
}
// call the proper function for insertion of the the supplier of the product and put to upper for the suppliers
private void btnUpdate_Click(object sender, EventArgs e)
{
if (SelectedProductName != null)
{
if (Validator.IsProvided(txtProdSup, "A Product Name"))
{
string newName = txtProdSup.Text;
bool valid = false;
foreach (Product p in products)
{
if (p.ProdName == newName)
{
MessageBox.Show("Product already exists, choose a unique product name");
valid = false;
break;
}
else
{
valid = true;
}
}
if (valid == true)
{
try
{
ProductDB.UpdateProduct(SelectedProductName, newName);
MessageBox.Show(SelectedProductName + " was updated to " + newName);
this.Close();
}
catch
{
MessageBox.Show("Update was unsuccessful, try again");
}
}
}
}
else if (Validator.IsProvided(txtProdSup, "A Supplier name"))
{
string newName = txtProdSup.Text.ToUpper();
bool valid = false;
foreach (Supplier s in suppliers)
{
if (s.SupName == newName)
{
MessageBox.Show("Supplier already exists, choose a unique supplier name");
valid = false;
break;
}
else
{
valid = true;
}
}
if (valid == true)
{
try
{
SupplierDB.UpdateSupplier(SelectedSupplierName, newName);
MessageBox.Show(SelectedSupplierName + " was updated to " + newName);
this.Close();
}
catch
{
MessageBox.Show("Update was unsuccessful, try again");
}
}
}
}