Question

每次运行程序时，我都会收到system.formatexception错误，并且在最后一个分号上用红色下划线突出显示此部分。对于它为什么要这样做以及如何解决这种情况有任何想法？

 output1.Text = "Supplies" + "\n" +
            (string.Format("{0,-10} | {1,20}  | {2,-23} | {3,40}", "Underlay  ", underlay, " panels", underlaycost.ToString("C2"))) + "\n" +
            (string.Format("{0,-10} | {1,20}  | {2,-23} | {3,40}", "Screws    ", screws, " boxes", screwscost.ToString("C2"))) + "\n" +
            (string.Format("{0,-10} | {1,20}  | {2,-23} | {3,40}", "Adhesive  ", gallonsofadhesive, " gallons", adhesivecost.ToString("C2"))) + "\n" +
            (string.Format("{0,-10} | {1,20}  | {2,-23} | {3,40}", "Grout     ", bagsofgrout, " bags", groutcost.ToString("C2"))) + "\n" +
            (string.Format("{0,-10} | {1,20}  | {2,-23} | {3,40}", "tile      " + "Pallets   ", pallet, palletcost.ToString("C2"))) + "\n" +
            (string.Format("{0,20}  | {1,-23} | {2,40}", "Packs     ", packs, packcost.ToString("C2"))) + "\n" +
            (string.Format("{0,20}  | {1,-23} | {2,40}", "Tiles     ", tiles, individualtilescost.ToString("C2"))) + "\n" +
            (string.Format("{0,20}  | {1,-23} | {2,40}", "Thresholds", threshold, thresholdscost.ToString("C2")));

Answer 1

在这一行：

(string.Format("{0,-10} | {1,20}  | {2,-23} | {3,40}", "tile      " + "Pallets   ", pallet, palletcost.ToString("C2"))) + "\n" +

您正在寻找4个参数，但只传递了3个参数：

"tile      " + "Pallets   ", 
pallet, 
palletcost.ToString("C2")

System.FormatException中的错误问题

1 个答案: