protected void BindDataToDropdownList() { DataTable table = categoryBll.Category_ShowAllDisplay(); ddlCategory.Items.Clear(); ddlCategory.Items.Add(new ListItem("Choose Name", "0")); ddlCategory.Items.Add(new ListItem("-- Other --", "1")); for (int i = 0; i < table.Rows.Count; i++) { ListItem item = new ListItem(); item.Text = table.Rows[i]["Category_Name"].ToString(); item.Value = table.Rows[i]["Category_Id"].ToString(); ddlCategory.Items.Add(item); } DataTable dataTable = companyBll.Company_ShowAllDisplay(""); ddlCompany.Items.Clear(); ddlCompany.Items.Add(new ListItem("Choose Name", "0")); for (int i = 0; i < dataTable.Rows.Count; i++) { ListItem item = new ListItem(); item.Text = dataTable.Rows[i]["Company_Name"].ToString(); item.Value = dataTable.Rows[i]["Company_Id"].ToString(); ddlCompany.Items.Add(item); } }