// METHOD TO PERFORM WHEN THE FORM LOAD
private void ShoppingCartUI_Load(object sender, EventArgs e)
{
// Open the connection
Conn.OpenConnection();
ResProd.GetAllProduct();
this.dataGridView1.DataSource = ResProd.GetAllProductByOffSet(Offset, Span);
this.dataGridView2.DataSource = ResCart.GetAllCart();
// Close the connection
Conn.CloseConnection();
}
// METHOD TO REMOVE FROM CART
private void button5_Click(object sender, EventArgs e)
{
if (CartID > 0)
{
// Method to remove from the Cart table
ResCart.RemoveCart(CartID);
// Method to Populate the Cart Data Grid View
this.dataGridView2.DataSource = ResCart.GetAllCart();
MessageBox.Show("Cart Item Deleted Successfully");
}
else
{
MessageBox.Show("Invalid Details");
}
}
// METHOD TO REMOVE FROM PRODUCT
private void button3_Click(object sender, EventArgs e)
{
if (ID > 0)
{
// Method to remove from the Product table
ResProd.RemoveProduct(ID);
// Method to Populate the Data Grid View
this.dataGridView1.DataSource = ResProd.GetAllProductByOffSet(Offset, Span);
this.dataGridView2.DataSource = ResCart.GetAllCart();
MessageBox.Show("Product Deleted Successfully");
}
else
{
MessageBox.Show("Invalid Details");
}
}
// METHOD TO ADD TO CART
private void button4_Click(object sender, EventArgs e)
{
try
{
// Method to add to the Cart table
ResCart.AddCart(ID, (int)numericUpDown1.Value);
// Method to Populate the Data Grid View
this.dataGridView2.DataSource = ResCart.GetAllCart();
MessageBox.Show("Product Added to Cart Successfully");
}
catch (Exception ex)
{
MessageBox.Show("Invalid Product Details");
}
// Change the Numeric Value back to default 1;
numericUpDown1.Value = 1;
}