void BeginAddMode()
{
ucPortalLanguage.SelectedLanguageID = -1;
ViewState.Remove(CMSViewStateManager.AttributeID);
pnlAttributeItem.Visible = true;
txtName.Text = string.Empty;
cddGroup.SelectedValue = "0";
ucPortalLanguage.Visible = false;
ucPortalLanguage.SelectedLanguageID = -1;
btnSave.Visible = true;
btnUpdate.Visible = false;
btnSaveOtherLanguage.Visible = false;
pnlAttributeItem.Visible = true;
pnlAttributeItem.DefaultButton = btnSave.ID;
}
#endregion