Cultureinfo and error ="string was not recognized as a valid datetime" between windows 10 and windows 7

Question

0.00/5 (No votes)

See more:

I run This Code In windows 10 and Visual studio 2017 and it work Correctly, But when i Run This Code in windows 7 and Visual Studio 2015 Update 3 i Get Error :

"String was not recognized as a valid DateTime" .... in this line

C#

DateTime dt = DateTime.Parse(s, Thread.CurrentThread.CurrentCulture.DateTimeFormat);

How Can i Solved It :????

My Code:

C#

CultureInfo originalCulture = Thread.CurrentThread.CurrentCulture;
Thread.CurrentThread.CurrentCulture = new CultureInfo("fa-IR");
string s = "1396/02/31";
DateTime dt = DateTime.Parse(s, Thread.CurrentThread.CurrentCulture.DateTimeFormat);
Console.WriteLine(dt.ToShortDateString());
Thread.CurrentThread.CurrentCulture = originalCulture;
Console.ReadKey();
//error=String was not recognized as a valid DateTime.

What I have tried:

this link i find
https://msdn.microsoft.com/en-us/library/bb762911(v=vs.110).aspx

Posted 3-May-17 23:47pm

NorouziFar

Updated 4-May-17 1:05am

Nirav Prabtani

v2

Add a Solution

1 solution

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Jochen Arndt · Answer 1 · 2017-05-04T00:48:00

Windows 10 added support for the Jalali calendar.
As a result, the DateTimeFormatInfo Class (System.Globalization)[^] class should return different date format strings for "fa-Ir" when called on Windows 10 and older versions (can not test it here).

At first you have to observe that your date string is Jalali while DateTime objects use the Gregorian calendar.

To get the Gregorian date from a Jalali date use the ToDateTime method of the PersianCalendar Class (System.Globalization)[^].

But before that conversion you have to parse the string. The first approach coming into mind is using DateTime.Parse with the fixed format "yyyy/MM/dd". But this will fail for specific dates. So you have to split the string into the year, month, and day parts.

Untested example without parse error checking:

C#

String[] dateParts = s.Split('/');
int year = int.Parse(dateParts[0]);
int month = int.Parse(dateParts[1]);
int day = int.Parse(dateParts[2]);
PersianCalendar pc = new PersianCalendar();
DateTime dt = pc.ToDateTime(year, month, day, 0, 0, 0, 0);