Error while writing Date to Image MetaData in C#-String was not recognized as a valid DateTime
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Im trying to write metadata to images using the following code.But when i try to add the date field an error is thrown
String was not recognized as a valid DateTime
using (Stream bitmapStream = File.Open(fileName, FileMode.Open,
Here Date is the value obtained from DatePicker.
date.tostring()->29/01/2015 06:35:13 PM
Stack Trace: A first chance exception of type 'System.FormatException' occurred in mscorlib.dll at System.DateTimeParse.Parse(String s, DateTimeFormatInfo dtfi, DateTimeStyles styles) at System.Convert.ToDateTime(String value, IFormatProvider provider) at System.Windows.Media.Imaging.BitmapMetadata.set_DateTaken(String value) at myprogram.Main.worker_DoWork(Object sender, DoWorkEventArgs e)
Based on the exception and the example in the documentation, I suspect you need to format this as a US short date. The simplest way of doing this is probably just to use the invariant culture. For example:
metadata.DateTaken = date.ToString("d", CultureInfo.InvariantCulture)
(Frankly it's a shame that it's a string property rather than a
DateTime, but there we go...)
[Solved] String was not recognized as a valid DateTime., NET according to which the Date is in Month/Day/Year format. the parsing fails, but it will not throw error, rather it returns false indicating that the parsing failed. You should require a specific format, validate the datetime string on client C++. CSS. C#. Delphi / Pascal. F#. HTML / XML / ASP. Java. Kotlin. Culture, Date Formats, and All That Jazz: How to Get Rid of “String Not Recognized as a Valid DateTime” for Good As we’ve just seen, there are situations in which it makes sense for us to take the culture for granted.
I note that this field should be able to support hours, minutes, and seconds. Currently this code works for me.
metadata.DateTaken = DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss");
For reference, I haven't specified an
IFormatProvider, though my locale is en-GB.
System.FormatException comes from assignment to the DateTaken property, though our overlords at Microsoft haven't decreed to document what format it wants to be in. Hopefully underneath it's locale-invariant.
Doing this, the date is correctly stored in metadata and accessible as you would expect in Windows.
Error: String was not recognized as a valid DateTime - Build, When I try to convert a string to a date time I get an error message “String was not recognized as a valid DateTime”. However this only happens DateTime date = DateTime.Parse(dateString); It generates the Exception of type System.FormatException as elaborated above as there are two possible exceptions related to it. The best way to handle at the initial point is to check the string for either null or empty string like this,
Rather amusingly, when you set the property it requires the specific format "yyyy/MM/dd HH:mm:ss", but when you get it the format is the system's current one.
PHP 7 ChangeLog, EXIF: Fixed bug #79336 (ext/exif/tests/bug79046.phpt fails on Big endian arch). FCGI: Fixed bug Date: Fixed bug #79396 (DateTime hour incorrect during DST jump forward). Fixed bug Fixed bug #78943 (mail() may release string with refcount==1 twice). Fixed bug #77934 (php-fpm kill -USR2 not working). Fixed bug string dateString = @" 20/05/2012"; // The following code throws // FormatException: String was not recognized as a valid DateTime DateTime date = Convert.ToDateTime(dateString); In the above code the dateString represents Date in the Day/Month/Year format. By default the en-US culture is used by .NET according to which the Date is in Month/Day
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ExifTool FAQ, (Substitute the path name of your file in place of " c:\images\test.jpg ".) exiftool -xmp:dateTimeOriginal="2005:10:23 20:06:34.33-05:00" a.jpg For EXIF date/time values, all 6 date/time fields must exist (" YYYYmmddHHMMSS "), but "I get ' Can't convert TAG (not in PrintConv) ' errors when writing a tag". Error while writing Date to Image MetaData in C#-String was not recognized as a valid DateTime. c#,image,date,metadata,gdi. Based on the exception and the example in the documentation, I suspect you need to format this as a US short date. The simplest way of doing this is probably just to use the invariant culture.
Exif, Exchangeable image file format is a standard that specifies the formats for images, sound, and Date and time information. When Exif is employed for JPEG files, the Exif data are stored in one of JPEG's recognize and preserve Exif data when writing to a modified image, this is not the case "The libexif C EXIF for C". Builds clean or reports the errant image not containing metadatea. Actual behavior. Compilation Succeeds with 0 errors and warnings. Elapsed time is reported. The text "PE image does not have metadata." is reported and dotnet build exits with 1. The DLL and PDB files are produced and ildasm is able to report metadata for the assembly
- Please format your code when you post - it's really hard to read at the moment. Also, most of it is completely irrelevant to your issue. It would really help if you'd post a short but complete program demonstrating the problem (and only the problem).
- @JonSkeet Sorry.Tried my best to format the code.Its not aligning properly.Needed to add the code formatting again and again.Will try to improve.
- It's just spaces... it's really not hard to fix. (I don't think you're using tabs...)
- @JonSkeet Yeah.But i need to break a long line and put it below,right? for example :ecoder=BitmapDecoder.Create................. otherwise it will be hard to scroll to the right
- Look at my edit. It's much more readable. Where you've got long lines, I'd manually break them into multiple lines at appropriate points (e.g. parameter separators) anyway. (See my example with the
decoderassignment.) Now, which line is failing? Please post the full stack trace.
- Thanks a lot :) This Solved the issue.