如何操作分钟小时和费率以获得总金额? [英] how to operate minutes hours and rate so as to get total money?
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问题描述
我总共有小时,分钟和费率,所以我怎样才能获得总金额
i尝试了一些代码,但结果不同于计算器;
受保护 double ConvertTo100( string strTemp)
{
strTemp = strTemp.Replace(' :', ' 。');
double dblTemp;
dblTemp = Convert.ToDouble(strTemp);
double dblHH = Math.Floor(dblTemp);
double dblMM = Math.Round(dblTemp - Math.Floor(dblTemp), 2 ) * 60 / 100 ;
double dboReturn;
dboReturn = dblHH + dblMM;
return dboReturn;
}
比我使用这个功能类似..
DGTotalMoney.DigitText = Convert.ToString(ConvertTo100(DGHours) .DigitText + : + DGMinutes.DigitText)*( double .Parse(CBlistPrice.Text)));
我也试过这段代码:
DGTotalMoney.DigitText = Convert.ToString(ConvertTo100(DGHours.DigitText + : + DGMinutes.DigitText)*( double .Parse(CBlistPrice.Text)));
但结果是deferent?
所以我需要帮助
解决方案
您的代码在HH:mm字符串的分钟部分上运行不正确。如果是30分钟,它应该返回0.5。你的30分钟代码返回0.18。
protected double ConvertTo100( string strTemp)
{
strTemp = strTemp.Replace(' :',' 。' 跨度>);
double dblTemp;
dblTemp = Convert.ToDouble(strTemp);
double dblHH = Math.Floor(dblTemp);
double dblMM = Math.Round(dblTemp - Math.Floor(dblTemp), 2 )* 100 / 60 ; // 我更改了此行
双 dboReturn;
dboReturn = dblHH + dblMM;
return dboReturn;
}
as _Damian S_表示如果我们将0.30作为输入值,它的结果将是0.5。
i have total of hours and minutes and rate , so how can i get totalmoney
i tryied some codes but the result is deferent to calculator;
protected double ConvertTo100(string strTemp)
{
strTemp = strTemp.Replace(':', '.');
double dblTemp;
dblTemp = Convert.ToDouble(strTemp);
double dblHH = Math.Floor(dblTemp);
double dblMM = Math.Round(dblTemp - Math.Floor(dblTemp), 2) * 60 / 100;
double dboReturn;
dboReturn = dblHH + dblMM;
return dboReturn;
}
than i use this funcation like..
DGTotalMoney.DigitText = Convert.ToString( ConvertTo100(DGHours.DigitText + ":" + DGMinutes.DigitText) * (double.Parse(CBlistPrice.Text)));
and i tried this code too:
DGTotalMoney.DigitText = Convert.ToString( ConvertTo100(DGHours.DigitText + ":" + DGMinutes.DigitText) * (double.Parse(CBlistPrice.Text)));
but the result is deferent?
so i need help
解决方案
Your code is operating on the minutes portion of the HH:mm string incorrectly. If it was 30 mins, it should return 0.5. Your code for 30 mins returns 0.18.
protected double ConvertTo100(string strTemp) { strTemp = strTemp.Replace(':', '.'); double dblTemp; dblTemp = Convert.ToDouble(strTemp); double dblHH = Math.Floor(dblTemp); double dblMM = Math.Round(dblTemp - Math.Floor(dblTemp), 2) * 100 / 60; //i changed this line double dboReturn; dboReturn = dblHH + dblMM; return dboReturn; }
as _Damian S_ said if we give "0.30" as input value it's result will be "0.5".
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