public string addItem(string name, int idc)
{
try
{
var t = DbApp.Categories.OrderBy(r => r.Id).ToList();
Categories categories = new Categories();
categories.Name = name;
if (idc == -1)
{
categories.ParentId = null;
}
else
{
categories.ParentId = idc;
}
if (t.Any())
{
categories.Id = t.Last().Id + 1;
}
else
{
categories.Id = 1;
}
DbApp.Categories.Add(categories);
DbApp.SaveChanges();
return("True");
}
catch (Exception ex)
{
return("False");
}
}
public string deleteTreeItem(int id)
{
try
{
DbApp.Categories.Remove(DbApp.Categories.Where(t => t.Id == id).FirstOrDefault());
DbApp.SaveChanges();
return("True");
}
catch (Exception ex)
{
return("False");
}
}
public string edititem(string name, int idc, int?Pid)
{
try
{
var r = DbApp.Categories.Where(t => t.Id == idc).ToList();
if (!r.Any())
{
return("False");
}
r.First().Name = name;
r.First().ParentId = Pid;
DbApp.SaveChanges();
return("True");
}
catch (Exception ex)
{
return("False");
}
}