protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
    {
        try
        {
        
            string pic = GridView1.Rows[e.RowIndex].Cells[0].Text;
            int id = int.Parse(GridView1.Rows[e.RowIndex].Cells[1].Text);
            string name = GridView1.Rows[e.RowIndex].Cells[2].Text;
            string category = GridView1.Rows[e.RowIndex].Cells[3].Text;
            int amount = int.Parse(GridView1.Rows[e.RowIndex].Cells[4].Text);
            double price = int.Parse(GridView1.Rows[e.RowIndex].Cells[5].Text);
            string details = GridView1.Rows[e.RowIndex].Cells[6].Text;
            localhost.ServiceMovies sm = new localhost.ServiceMovies();
            sm.UpdateItem(id, name, amount, price, pic, details, category);
            //get back to normal gridview( no editing mode)
            GridView1.EditIndex = -1;
            BindGV();
        }
        catch (Exception ex)
        {
            Label1.ForeColor = Color.Red;
            Label1.Text = "חלה שגיאה בעדכון: \n " + ex.Message;
        }
    }