protected void GVinformation_RowUpdating(object sender, GridViewUpdateEventArgs e)
    {
        string id         = GVinformation.DataKeys[e.RowIndex].Value.ToString().Trim();
        string name       = ((TextBox)(GVinformation.Rows[e.RowIndex].Cells[1].Controls[0])).Text.Trim();
        string price      = ((TextBox)(GVinformation.Rows[e.RowIndex].Cells[2].Controls[0])).Text.Trim();
        string count      = ((TextBox)(GVinformation.Rows[e.RowIndex].Cells[3].Controls[0])).Text.Trim();
        string company    = ((TextBox)(GVinformation.Rows[e.RowIndex].Cells[4].Controls[0])).Text.Trim();
        string people     = ((TextBox)(GVinformation.Rows[e.RowIndex].Cells[5].Controls[0])).Text.Trim();
        string totalprice = ((TextBox)(GVinformation.Rows[e.RowIndex].Cells[6].Controls[0])).Text.Trim();
        string realpay    = ((TextBox)(GVinformation.Rows[e.RowIndex].Cells[7].Controls[0])).Text.Trim();
        string date       = ((TextBox)(GVinformation.Rows[e.RowIndex].Cells[8].Controls[0])).Text.Trim();
        users  us         = new users();

        us.stockno    = id;
        us.name       = name;
        us.count      = count;
        us.source     = company;
        us.price      = price;
        us.employees  = people;
        us.totalprice = totalprice;
        us.realpay    = realpay;
        us.date       = date;

        us.UpdaGoods_Stock(us);
    }