// Event handler for Remove button click
private void removeItemBtn_Click(object sender, EventArgs e)
{
// Creating lists
strMatsBeingRemoved = new List <String>();
matsUpdatedQuantity = new List <RawMaterial>();
if (dbTools.CheckMat(txtName.Text).Equals(true)) // Checking if the material exists in the database
{
RawMaterial tempMaterial = dbTools.GetRawMaterial(txtName.Text); // Getting the raw material object with the given name from the database
int newQuantity = tempMaterial.quantity - int.Parse(txtQuantity.Text); // Calculating the new quantity after subtracting the amount being taken out
// NO DUPLICATE ENTRIES
// Quantity cannot be negative after subtracting
if (newQuantity > 0)
{
tempMaterial.quantity = int.Parse(txtQuantity.Text); // Setting the object quantity to what the user inputs
matsQuantityToRemove.Add(tempMaterial); // Adding material to a list of raw material objects with the user inputted quantity
newMaterial = new RawMaterial(tempMaterial.rawMaterialName, newQuantity); // What we want the product to be after making changes
matsUpdatedQuantity.Add(newMaterial); // Adding that to a list to track its quantity
rawMatsView.Items.Clear(); // Clearing list view
// Format each material to display in list views
foreach (RawMaterial mat in matsQuantityToRemove)
{
string s = mat.quantity.ToString() + "x " + mat.rawMaterialName; // Format to display -> (quantity)x (name)
strMatsBeingRemoved.Add(s);
rawMatsView.Items.Add(s);
}
// Clear text fields
txtName.Clear();
txtQuantity.Clear();
}
else
{
MessageBox.Show("Not enough raw materials!", "Warning!");
txtQuantity.Clear();
}
}
else
{
MessageBox.Show("Material does not exist!", "Warning!");
}
}
private void changeqnt_Click(object sender, EventArgs e)
{
try
{
String MatName = itembox.Text;
int Quant = int.Parse(qtnBox.Text);
dbTools = new DatabaseTools();
if (dbTools.CheckMat(MatName).Equals(true))
{
try
{
string message = "Are you sure you want to change the quantity of " + MatName + " to " + Quant + "?";
string title = "Warning!";
MessageBoxButtons buttons = MessageBoxButtons.YesNo;
DialogResult result = MessageBox.Show(message, title, buttons);
if (result == DialogResult.Yes)
{
dbTools.EditQuant(MatName, Quant);
dgTools.SqlCommand = "SELECT RawMaterialName, Quantity FROM RawMaterials"; // Viewing all data from RawMaterials database except the ID
dgTools.RefreshDataGrid(stockDataGridView);
itembox.Clear();
qtnBox.Clear();
}
else
{
return;
}
}
catch (Exception err)
{
MessageBox.Show(err.Message, "Warning!");
}
}
else
{
MessageBox.Show("This item can not be found.");
}
}
catch (Exception err)
{
MessageBox.Show("Please input a value and quantity", "Warning!");
}
}