如何在c＃函数中传递sql的这个百分比计算 [英] How to convet this percentage calculation of sql in c# function

问题描述

如何在c＃函数中传递sql的这个百分比计算？

How to convet this percentage calculation of sql in c# function?

select isnull(CAST(ceiling(ROUND(cast(cast(sum(value) AS NUMERIC) / cast(sum(total) AS NUMERIC) * 100 AS DECIMAL(8, 2)), 0)) AS INT), 0) as percentage

推荐答案

var value = 123.45;
var total = 1000.1;
var perc = total == 0 ? 0 : Convert.ToInt32((value * 100) / total);

检查：

Check this:

double avalue = 4.0;
double total = 31.0;

var result = total == 0 ? 0 : Math.Round((avalue/total)*100);
Console.WriteLine("{0}:{1}={2}", avalue, total, result);

和另一个选项...



这个假设该值和总数是整数，你想要一个整数结果

And another option...

This one assumes that value and total are integers and you want an integer result

var value = 4;
var total = 31;
var perc = (total == 0) ? 0 : (int)Math.Ceiling(value * 100.0 / total);

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