How to fill combobox with text file item!

Question

I have a text file which contain following type item

wett45456,4556,45657,898

tyu5878,4566,7989,55565

now i have a windowform on that form

Answer 1

string[] lineOfContents = File.ReadAllLines("Myfile.txt");
foreach (var line in lineOfContents)
{
   string[] tokens = line.Split(',');
   comboBox1.Items.Add(tokens[0]);
}