protected void ddlSubCategories_SelectedIndexChanged(object sender, EventArgs e) { String selectedSpecialty = ddlSpecialties.SelectedValue.ToString(); String selectedSubSpecialty = ddlSubCategories.SelectedValue.ToString(); if (selectedSubSpecialty.StartsWith("Select"))//"Select from list:" { ddlLastCategory.Visible = false; } else { using (GetLastCategoriesForWeb glcfw = new GetLastCategoriesForWeb()) { glcfw.Specialty = selectedSpecialty; glcfw.SubCategory = selectedSubSpecialty; glcfw.GetFrontEndData(); if (!glcfw.HasErrors && glcfw.RowsBack > 0) { ddlLastCategory.DataSource = glcfw.Categories; ddlLastCategory.DataBind(); ddlLastCategory.Items.Insert(0, "Select from list:"); ddlLastCategory.Visible = true; } lnkBtnSearch2.Visible = (!glcfw.HasErrors && glcfw.RowsBack == 0); } } }