private void btn_Addtocart_Click(object sender, EventArgs e) { try { if (txtProductName.Text == "") { MessageBox.Show("Please retrieve product name", "Input Error", MessageBoxButtons.OK, MessageBoxIcon.Error); return; } if (txtSaleQty.Text == "") { MessageBox.Show("Please enter no. of sale quantity", "Input Error", MessageBoxButtons.OK, MessageBoxIcon.Error); txtSaleQty.Focus(); return; } count = ListView1.Items.Count + 1; int SaleQty = Convert.ToInt32(txtSaleQty.Text); ListViewItem lst = new ListViewItem(count.ToString()); if (ListView1.Items.Count == 0) { lst.SubItems.Add(txtProductName.Text); lst.SubItems.Add(Company.Text); lst.SubItems.Add(txtPrice.Text); lst.SubItems.Add(txtSaleQty.Text); lst.SubItems.Add(txtTotalAmount.Text); ListView1.Items.Add(lst); Company.Text = ""; txtProductName.Text = ""; txtPrice.Text = ""; txtAvailableQty.Text = ""; txtSaleQty.Text = ""; txtTotalAmount.Text = ""; textBox1.Text = ""; txtSubTotal.Text = subtot().ToString(); } else { lst.SubItems.Add(txtProductName.Text); lst.SubItems.Add(Company.Text); lst.SubItems.Add(txtPrice.Text); lst.SubItems.Add(txtSaleQty.Text); lst.SubItems.Add(txtTotalAmount.Text); ListView1.Items.Add(lst); Company.Text = ""; txtProductName.Text = ""; txtPrice.Text = ""; txtAvailableQty.Text = ""; txtSaleQty.Text = ""; txtTotalAmount.Text = ""; textBox1.Text = ""; txtSubTotal.Text = subtot().ToString(); } ListView1.Sort(); ListView1.Refresh(); ListView1.Update(); } catch (Exception ex) { MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); } } private void removeFromListToolStripMenuItem_Click(object sender, EventArgs e) { foreach (ListViewItem listviewitem in ListView1.SelectedItems) { listviewitem.Remove(); } }
var
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