摘要： for (int i = 0; i < DataList1.Items.Count; i++) { int row =i ; //i / 2 2为每行显示的列数 if (row % 2 == 0) { DataList1.Items[i].CssClass = "testf"; } else { DataList1.Items[i].CssClass = "tests"; } } 阅读全文