C# add text to listbox code example
Example 1: add items to listbox from text file c#
ListBox lb = new ListBox();
System.IO.StreamReader sr = new System.IO.StreamReader("userTypes.txt");
while (!sr.EndOfStream)
{
lb.Items.Add(sr.ReadLine());
}
sr.Close();
Example 2: add text file to listbox c#
OpenFileDialog f = new OpenFileDialog();
if (f.ShowDialog() ==DialogResult.OK)
{
listBox1.Items.Clear();
List<string> lines = new List<string>();
using (StreamReader r = new StreamReader(f.OpenFile()))
{
string line;
while ((line = r.ReadLine()) != null)
{
listBox1.Items.Add(line);
}
}
}