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Calculating percentage of left over cost displaying result a

Sam Phillips

7y1k

double number;
double number1;
double result;
double.TryParse(SelectedQuoteForEditing.JobPrice, out number); double.TryParse(lblRate.Content.ToString().ToString(), out number1);
var left = Math.Round((number - number1) / number * 100, 2);
result = left;
ERGPerc.Content = result.ToString("P") + "%";

I am trying to show the percentage which is left after number1 has subtracted from number. The values I am calling contain a £ symbol and when running the code I get the result of "NaN" I guess this is to do with the £ sign as when removed code works. Anyone have any idea how I can fix this please ? I have been trying for hours with no luck :( Thanks in advance.

3 Replies

Know the answer? Post it — somebody with the same question will find it here.

Sam Phillips7y ago
Hi thanks for your replies.

Problem was fixed with
double.TryParse(SelectedQuoteForEditing.JobPrice, NumberStyles.Any, CultureInfo.GetCultureInfo("en-GB"), out number);
Can see answer at https://stackoverflow.com/questions/56495640/calculating-percentage-of-left-over-cost-displaying-result-as-nan
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Jaish Mathews7y ago
Your all variables looks numeric and for any currency sign, you need a string type. Can you tell which member variable is showing with a pound sign?
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Mohsin Arif7y ago
hey please explain in which coloumn you have value with this symbol

£

and you can split this coloum value with £ symbol
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