How to add information from ListBox to comboBox by button ?

Question

I mean when I enter A button the current information of the list box be added to combo box. Thank you

Joe Wilson · Answer

I have other question: How can i add items of three list Box to combo box in especial format by using string.format like(Name: Nike Last Name: Phillips Birth Date: 08/03/1990 Thank you

Joe Wilson · Answer

Thank you for your answer but it was so complex that i couldn't understand very well.

Bhabani Prasad · Answer

Try this private void button1_Click(object sender EventArgs e) { for (int nIndex = 0; nIndex < listBox1.Items.Count; nIndex++) { string bob = listBox1.Items[nIndex] as string; comboBox1.Items.Add(bob); } }