Question

Noob question… I’m trying to display a List in a textbox… unfortunately, my code only displays the first element in the list…

    private void Form1_Load(object sender, EventArgs e)
    {
        List<String> vegetables = new List<String>();
        vegetables.Add("tomato");
        vegetables.Add("carrot");
        vegetables.Add("celery");
        vegetables.Add("potato");

        textBox1.Text = displayMembers(vegetables);
    }

    public string displayMembers(List<String> vegetables)
    {
        foreach (String s in vegetables)
        {
            return s.ToString();
        }
        return null;
    }

How do I get the textBox to display all of the members? Where is my mistake?

Answer 1

Once you return s.ToString(), the rest of that method stops running.
A method cannot return multiple things.

You probably want to write

someTextBox.Text = String.Join(Environment.NewLine, vegetables);