asp.net mvc - Parsing text to return date -

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i have textbox can add age {a} y {b} m {c} w y=years, m=months, w=weeks , submit button , want return parsed birth date according age expression.

for example want 2y 1 m / 2 yr 1 mon return 2013/09/27. (the difference today , parsed date)

how can in asp.mvc? every approach ok...using c#, javascript...

thank you!

so first create view model

view model

public class viewmodel {     public int years { get; set; }     public int months { get; set; }     public int weeks { get; set; } }

then on view pass in using @model viewmodel @ top.

then once have submitted sort of form can following:

public datetime calcuate() {     var result = datetime.utcnow;      result = result.addyears(viewmodel.years*-1).addmonths(viewmodel.months*-1).adddays(viewmodel.weeks*-7);     return result; }

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