Convert variable integer to percentage in asp.net mvc-CodePudding

I'm trying to convert the variable integer data into percentage in creating a bar chart. However it seems it is not working. What I missed?

string x1 = var_Product_name;
int y1 = Tools.ConvertToInt_02(var_Amount);
int y2 = Tools.ConvertToInt_02(var_Amount)/ 100.ToString("0.00%"); //This is the code I used to convert the var_Amount to get the percentage and display as data series in bar graph together with the var_Amount value however this isn't working

BarChartData_Product_Records_Data_View.Add(new BarChartSourceData_Product_Records_Data_View(x1, y1, y2));

CodePudding user response：

Most likely, var_Amount is in the range 0..100, so even

100/100

results in 1, while smaller values, e.g.

25/100

results in 0 because y2 is an integer. To fix it, change y2 to a type that supports decimal portions such as float, double, or decimal.

CodePudding user response：

First of all, if Tools.ConvertToInt_02(var_Amount) returns a integer value this line not compile: you have int value on before / and string value after /.

You should see:

error CS0019: Operator '/' cannot be applied to operands of type 'int' and 'string'

If assuming that the var_Amount is double value that you need to convert to the percentage in string format, use the following method:

string specifier = "P";            
var result = (var_Amount / 100).ToString(specifier, CultureInfo.CurrentCulture);

For example, if var_Amount has value 12.3456 the result will be 12.35 %, when the current decimal point character for the current culture is ..

For additional information see documentation: Double.ToString Method