how to get the item in array according to the character in the textbox

<asp:TextBox ID="TextBox1" runat="server" AutoPostBack="true" ontextchanged="TextBox1_TextChanged"></asp:TextBox> protected void TextBox1_TextChanged(object sender, EventArgs e) { string[] ArrayW = new string[] { "apple", "kee", "pubp" }; foreach(string i in ArrayW.ToString().StartsWith(TextBox1.Text) { System.Console.WriteLine(i); } }