how i can selected item of listBox after enter the index in textBox c#

Question

        int index;
        index = int.Parse(txtIndex.Text);
        lstList.SelectedIndex = index;  [enter image description here][1]

when i enter "2" he select the third name in listBox

Answer 1

You can do this:

lstList.SetSelected(index, true);

NOTE: ListBox items are zero index based so be sure that you have the correct input