Data not displaying in dynamic drop down list asp.net & C# (no errors too)
===

// aspx code
//<asp:DropDownList ID="DropDownList1" runat="server" DataTextField="fullname" DataValueField="username" AutoPostBack="True" Width="125px" Height="22px"></asp:DropDownList>///

// Code behind
SqlConnection myConnection = new SqlConnection("Server=xyz;Database=db;Uid=db;Pwd=12345");
            myConnection.Open();         
 SqlDataReader myReaderddl = null;
                    SqlCommand myCommandddl = new SqlCommand("SELECT [username], [fullname] FROM [qa_users]", myConnection);
                    myReaderddl = myCommandddl.ExecuteReader();
                    myReaderddl.Read();
                    ddlrep.DataSource = myReaderddl;                    
                    ddlrep.DataValueField = "[username]";
                    ddlrep.DataTextField = "[fullname]";
                    ddlrep.DataBind();
                    myReaderddl.Close();