protected void ddlIntervention_SelectedIndexChanged(object sender, EventArgs e) { Common.FillDropDownList(objMasMgr.GetParentWiseOffice(0, Convert.ToDecimal(ddlIntervention.SelectedValue.Trim()), 0), ddlHeadOffice, "OfficeTitle", "OfficeID", true); ddlCCO.Items.Clear(); ddlZone.Items.Clear(); ddlUnit.Items.Clear(); ddlDistrict.Items.Clear(); ddlArea.Items.Clear(); ddlBranch.Items.Clear(); TabContainer1.ActiveTabIndex = 0; }