Object reference not set to an instance of an object Exception thrown..(Null referenceException was unhandled by user code)
Model:
public class AboutMod
{
private List<int> divWidthList = new List<int>();
public List<int> DivWidthList { get; set; }
}
Control page:
public ActionResult About()
{
AboutMod Obj = new AboutMod();//model class name
for (int i = 20; i <= 100; i += 20)
{
Obj.DivWidthList.Add(10);//Run time Exception occurs here
}
return View();
}
initialise Obj.DivWidthList
first before attempting to use it:
AboutMod Obj = new AboutMod();//model class name
Obj.DivWidthList = new List<int>();
for (int i = 20; i <= 100; i += 20)
{
Obj.DivWidthList.Add(10);//Run time Exception occurs here
}