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c#stringintdatetimepickerdate-parsing
Ngan Mai
Ngan Mai

Reputation: 77

Cannot convert string from DateTimePicker control to int

I try to convert string from DateTimePicker control to int but when I run it happen error

String was not recognized as a valid DateTime.

I am using epoch to convert. The format of DateTimePicker is D/M/YYYY. This is my code

    public static double convertToEpoce(string date)
    {
        DateTime _datetime= DateTime.ParseExact(date, "D/M/YYYY HH:mm:ss", CultureInfo.CreateSpecificCulture("vi-VN")); ;

        var epoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
        return Convert.ToDouble((_datetime - epoch).TotalSeconds);
    }

Upvotes: 1

Views: 1610

Answers (2)

MatSnow
MatSnow

Reputation: 7517

There's no need to parse the value of DateTimePicker.Text.

You can use DateTimePicker.Value, which will return a DateTime-value.

The error you get, is because of the wrong format specifier, like already stated in @GeorgPatscheider's answer.

Upvotes: 1

Georg Patscheider
Georg Patscheider

Reputation: 9463

The format specifier you are using is not valid. It should be d/M/yyyy HH:mm:ss in the C# code. (DateTimePicker might use different specifiers.)

  • "d" The day of the month, from 1 through 31.

  • "M" The month, from 1 through 12.

  • "yyyy" The year as a four-digit number.

There are no "D" or "YYYY" format specifiers.

For full list see Custom Date and Time Format Strings.

For working example see this C# Fiddle.

Upvotes: 1

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