Question

Got confused why this is giving me error I think my code is correct

XElement outer = new XElement("Main");
XElement xsets;
XElement xsubsets;
foreach (DataRow nav_sets in GetNavigationSets().Rows)
{
    if (nav_sets["parent_id"].ToString() == null)
    {
        xsets = new XElement("Menu", nav_sets["name"].ToString());
    }
    else
    {
        if (int.Parse(nav_sets["id"].ToString()) == int.Parse(nav_sets["parent_id"].ToString()))
        {
            xsubsets = new XElement("SubMenu", nav_sets["name"].ToString());
            foreach (DataRow nav_menus in GetMenusInNavigationSetByNavigation(int.Parse(nav_sets["id"].ToString())).Rows)
            {
                foreach (DataRow menus in GetMenuById(int.Parse(nav_menus["menu_id"].ToString())).Rows)
                {
                    xsubsets.Add(new XElement("MenuItem", menus["name"].ToString()));
                }
            }
        }
        xsets.Add(xsubsets);
    }
    outer.Add(xsets);
}
outer.Save("main.xml");
cn.Close();

The error part shows in this line of code xsets.Add(xsubsets);

Errors:

Error 1 Use of unassigned local variable ‘xsets’
Error 2 Use of unassigned local variable ‘xsubsets’

Got confused how can I get rid of this error.

Answer 1

Change it from

XElement xsets;
XElement xsubsets;

to

XElement xsets = null;
XElement xsubsets = null;