private void NetworkLogin() { try { if (_NetworkSetting != null && _NetworkSetting.IsAuthenticated) { //_NetworkSetting.LogOut(); DnsServiceManager.LogOut(_NetworkSetting); //txtServiceUrl.ReadOnly = txtUsername.ReadOnly = txtPassword.ReadOnly = false; //btnLogOut.Visible = false; //btnTestConnection.Visible = true; btnRefreshDMlist.Enabled = false; //RefreshNetworlListDelegate(); } } catch (Exception ex) { //if (_NetworkSetting != null && !_NetworkSetting.IsAuthenticated) // txtServiceUrl.ReadOnly = txtUsername.ReadOnly = txtPassword.ReadOnly = true; throw ex; } }