Add Property in C# using for loop

Question

Let's say I have School model

public class School {

public string Name {get; set;} // property

}

I have a array list of Properties coming from database

var arraylist = ["ComputerParts","CellphoneParts"]

is there a way that can I add new property in School Model using for loop?

this what i'm thinking

for loop arraylist
Add new property in school model

//add this -> public string ComputerParts{get; set;} -> in school model
// add this -> public string CellphoneParts {get; set;} -> in school model

Here's the expected result

public class School {

public string Name {get; set;} 
public string ComputerParts{get; set;}
public string CellphoneParts {get; set;}

}

are you building a code generator or something? Otherwise, I don't see how the question really makes sense. — ADyson
– ADyson, Commented Oct 12, 2020 at 9:35
You need tell us what's you want to do, a code generator or database migration ? — Yiao SUN
– Yiao SUN, Commented Oct 12, 2020 at 9:37
sure there is a way - dynamic or reflection + subclass. But this is tricky and hard to maintain (reflection + subclass way). You should avoid it at all cost! — vasily.sib
– vasily.sib, Commented Oct 12, 2020 at 9:42

vasily.sib · Accepted Answer · 2020-10-12 10:06:43Z

2

Looks like you are looking for a way to transfer some dynamic set of key-value pairs over network with your DTO. Instead of dynamicly adding properties to some class (which is actually also possible, but a lot more tricky to implement), I would suggest you to use a simple Dictionary<string, string> or even Dictionary<string, object>:

public class SchoolDTO {
    public string Name { get; set; } 
    public Dictionary<string, string> ExtraColumns { get; set; }
        = new Dictionary<string, string>();
}

var schoolDTO = new SchoolDTO
{
    Name = "Sample school",
    ExtraColumns =
    {
        { "ComputerParts", "part1,part2,part3" },
        { "CellphoneParts", "part1,part2,part3" }
    }
};

answered Oct 12, 2020 at 10:06

vasily.sib

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