protected void GVAmount_RowDeleting(object sender, GridViewDeleteEventArgs e)
        {
            FloatAmountDAL amountDAL = new FloatAmountDAL {
                ConnectionString = ConfigurationManager.ConnectionStrings["MySQLTest"].ToString()
            };

            string ID = GVAmount.DataKeys[e.RowIndex].Values["ID"].ToString();

            amountDAL.DeleteAmount(ID);

            FetchAmount();
        }