End Google Ads 201810 - BS.net 01 --> foreach (Control control in crystalReportViewer1.Controls)
{

if (control is CrystalDecisions.Windows.Forms.PageView)
{

TabControl tab = (TabControl)((CrystalDecisions.Windows.Forms.PageView)control).Controls[0];

tab.ItemSize = new Size(0, 1); //for delete
tab.TabPages[0].Text = "گزارش";// for rename

tab.SizeMode = TabSizeMode.Fixed;

tab.Appearance = TabAppearance.Buttons;

}

}