// 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();
}
}
}