void categoryGrid_RowCommand(object sender, GridViewCommandEventArgs e)
{
CategoryTableAdapter categoryAdapter = new CategoryTableAdapter();
int categoryId = Int32.Parse(e.CommandArgument.ToString());
if (e.CommandName == "up")
{
categoryAdapter.MoveUp(categoryId);
}
else if (e.CommandName == "down")
{
categoryAdapter.MoveDown(categoryId);
}
}
