i have the this code [code] ListVie.Columns.Add("H1", 120, HorizontalAlignment.Left); ListVie.Columns.Add("H2", 80, HorizontalAlignment.Left); ListVie.Columns.Add("H3", 80, Horizont ...

Hi, Is there a way to group items in an <asp:listbox>, the same way as with traditional html select menus. In traditional html form controls it looks like this: <select name="Example" id="Example" multi ...

Can I move items of one ListBox to another by a single command? Is there any property of ListBox that I may use in a loop?

How can i pass combobox1.items into function? private void button4_Click(object sender, EventArgs e) { if (duplicate(textBox1.Text, comboBox1.Items) == true) comboBox1.Text = "ima" ...