用逗号和小数点显示号 [英] display number with commas and decimal points

问题描述

我要显示用逗号和小数点多家

I want to display a number with commas and decimal point

1种情况：例如，如果该号码是3494309432324

CASE1 : example if the number is 3494309432324

显示为34,94,30,94,32,324但不34,94,30,94,32,324.00

display as 34,94,30,94,32,324 but not 34,94,30,94,32,324.00

案例2：如果数值十进制值他们，直到2小数点和用逗号

Case 2 : if the number has decimal values them till 2 decimal points and with commas

显示为12,22,222.32

display as 12,22,222.32

目前我做了2位小数，但我不明白的逗号

currently i do this for 2 decimal places but i dont get the commas

Label9.Text = sisRatio.ToString（＃0.00）;

任何建议..

感谢

推荐答案

假设你想平时的3个数字，然后一个逗号，我认为这会做你需要什么：

Assuming you want the usual 3 numbers then a comma, I think this will do what you need:

Label9.Text = sisRatio.ToString("#,##0.##");

与此一轻微的问题是，它只会小数点后一位，如果第二个是0

One slight issue with this is that it will only one decimal place if the second one would be 0

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