private void frmrptJobCard_FormClosing(object sender, FormClosingEventArgs e) { int index = Common.Classes.clsMain.fncFindOpenFormIndex(this); uTab.Tabs.RemoveAt(index); Common.Classes.clsMain.fncExistOpenForm(this, "Remove"); dsList = null; dsDetails = null; FM = null; clsProc = null; }