// Single edit/removal. Bulk(optional/later on)
 private void MenuItem_Click_1(object sender, RoutedEventArgs e)
 {
     STOCK s = (STOCK)sTOCKDataGrid.SelectedItem;
     using (Al_MujahidEntities context = new Al_MujahidEntities())
     {
         var myObject = new STOCK { ID = s.ID };
         context.STOCKs.Attach(myObject);
         context.STOCKs.Remove(myObject);
         context.SaveChanges();
         Stock_Load();
     }
 }
        private void Button_Click_1(object sender, RoutedEventArgs e)
        {
            using (Al_MujahidEntities context = new Al_MujahidEntities())
            {
                STOCK stock = new STOCK();
                var decPrice = Convert.ToDecimal(this.pRICETextBox.Text);
                var intQTY = Convert.ToInt32(this.qTYTextBox.Text);
                stock.STOCK_ID = this.sTOCK_IDTextBox.Text;
                stock.NAME = this.nAMETextBox.Text;
                stock.PRICE = decPrice;
                stock.QTY = intQTY;
                context.STOCKs.Add(stock);
                context.SaveChanges();
                Close();
                
            }

        }