/// <summary>
 /// Control of pagination
 /// </summary>
 /// <param name="sender">Object sender</param>
 /// <param name="e">Event arguments</param>
 private void GridViewModelPageIndexChanged(object sender, PageIndexChangedArgs e)
 {
     IsBusy = true;
     GetCertificatesPaginated((int)e.PageNumber());
 }
 /// <summary>
 /// Control of pagination
 /// </summary>
 /// <param name="sender">Object sender</param>
 /// <param name="e">Event arguments</param>
 private void GridViewModelPageIndexChanged(object sender, PageIndexChangedArgs e)
 {
     GetSecurityPapers((int)e.PageNumber());
 }