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Access to object properties without casting into type

I use LINQ for an entity to return a list of objects

            var st = personsList.Select(p => new
            {
                ID = p.Id,
                Key = p.Key,
                Name = p.Name,
                Address = p.Address,
                City = p.City,
                PhoneNumber = p.PhoneNumber
            })
            return st.ToList();

after I get the list in another class, how can I access each property?

sort of

foreach(object s in St)
{
    string name = s.Name;
}

I do not have a predefined class to cast an object to it.

Is it possible to do this without creating a class and casting the object to the type of this class?

thank

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4 answers

You can use the following command

foreach(object s in St)
{
   Type type = s.GetType();
   PropertyInfo property = type.GetProperty("Name");
   if(property !=null)
   {
       string name= (string )property.GetValue(s, null);
   }
}

you need to add the System.Reflection namespace to the class

+3
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Are you using C # 4? You can try using dynamic:

foreach(dynamic s in St)
{
    string name = s.Name;
}

Of course, the risk is that if you try to access a property that the object does not have, you will only recognize it at run time.

, , ? , .

+7

C # 3.0 has a type varthat allows for implicit casting.

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The compiler creates an anonymous type for you that can be used as part of the method. If you need to pass the LINQ query results around, then it’s best to create a domain object to represent information such as PersonSummary and assign the query results to it. C # is strongly typed using this.

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