CODEWITHSUNDEEP
javascriptdatetimehighcharts
Lac Ho
Lac Ho

Reputation: 227

Convert c# date to Javascript

This is how I convert .Net Datetime to Javascript. I found the code somewhere a long time ago and use it for Highcharts. Now the chart sometimes looks strange with the lines messed up. I suspect it has to do with the date. 

Datetime curDate = "11/14/2013";
string jsDate = "Date.UTC(" + curDate.Year + "," + (curDate.Month - 1) + "," +     curDate.Day;
if (curDate.Millisecond > 0)
        {
            jsDate += "," + curDate.Hour + "," + curDate.Minute + "," + curDate.Second + "," + curDate.Millisecond;
            return jsDate += ")";
        }
        if (curDate.Second > 0)
        {
            jsDate += "," + curDate.Hour + "," + curDate.Minute + "," + curDate.Second;
            return jsDate += ")";
        }
        if (curDate.Minute > 0)
        {
            jsDate += "," + curDate.Hour + "," + curDate.Minute;
            return jsDate += ")";
        }
        if (curDate.Hour > 0)
        {
            jsDate += "," + curDate.Hour;
            return jsDate += ")";
        }

        jsDate += ")";

Is this a correct way to convert .Net date to javascript?

Thank you!

Upvotes: 0

Views: 1502

Answers (1)

Justin Niessner
Justin Niessner

Reputation: 245429

The easiest way to convert between the two is to convert the .NET time to a timespan in milliseconds from the UNIX epoch time:

public static long ToEpochDate(this DateTime dt)
{
    var epoch = new DateTime(1970, 1, 1);
    return dt.Subtract(epoch).Ticks;
}

You can then use that to generate your JS string:

DateTime current = DateTime.Now;
var jsDate = string.Format("Date.UTC({0})", current.ToEpochDate());

Upvotes: 3

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