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I'm receiving reports from my users that my application is handling dates incorrectly. I've confirmed that this is indeed happening for users outside of my network, but doesn't seem to be occurring with users on my local network.
My application is a .NET 2.0 distributed app using .NET 2.0 web services for data access. It seems that any time I return a date from the web service, the application is for some reason subtracting 1 day from that date.
For example, if I return information on a Customer, the web service response will give me a date such as:
<pickupdate>2007-02-06T00:00:00-05:00
However, the program is displaying this as 2/5/2007. I'm not doing any sort of manipulation with the date. The web service returns a dataset, and I simply iterate the datatable's row collection and convert that column to a datetime using the following:
<br />
static public DateTime GetDateTime(DataRow DataSource, string ColumnName)<br />
{<br />
if (DataSource[ColumnName] == DBNull.Value)<br />
{<br />
return DateTime.MinValue;<br />
}<br />
else<br />
{<br />
return (DateTime)DataSource[ColumnName];<br />
}<br />
<br />
}
I've confirmed that the date is right when returned from the web service. I'm at a loss as to why it's being changed when running through this GetDateTime() method. I'd be grateful for any help.
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Hi,
kryzchek wrote: 2007-02-06T00:00:00-05:00
However, the program is displaying this as 2/5/2007. I'm not doing any sort of manipulation with the date.
You aren't doing any manipulation, but the framework may do. Have you checked the full DateTime object and not only the date part of it?
return (DateTime)DataSource[ColumnName];
In this line you cast an object to a DateTime. Assuming that your onject is a string, DateTime.Parse will be invoked to do the conversion. If you do not pass any additional parameters, the local CultureInfo and time zone setting will influence the result.
E.g. for me (in Germany) the result of System.DateTime.Parse( "2007-02-06T00:00:00-05:00" ) is 2007-02-06T06:00.
I recommend that you directly call DateTime.Parse and pass the appropriate CultureInfo to the method. Eventually you should use the CultureInfo in your output methods, too.
Regards,
Tim
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Thanks for the suggestions, Tim. I discovered the "problem" not long after posting my first message. I was unaware that the web service was adding a time zone offset. I've since reconfigured the web service to return DataSets without the time zone offset.
Thanks again for your help!
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This sounds like one for the Subtle Bugs forum. It's a classic subtle bug.
the last thing I want to see is some pasty-faced geek with skin so pale that it's almost translucent trying to bump parts with a partner - John Simmons / outlaw programmer
Deja View - the feeling that you've seen this post before.
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Explain what it means to “pre-jit” an assembly and how you would do it?
Ramana
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I think the following reference might help. Clickety[^]
the last thing I want to see is some pasty-faced geek with skin so pale that it's almost translucent trying to bump parts with a partner - John Simmons / outlaw programmer
Deja View - the feeling that you've seen this post before.
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How many generations does the Garbage Collector have and what are they?
Vasini
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Does Google not work where you live? http://www.codeproject.com/dotnet/gcbyleslie.asp[^]
the last thing I want to see is some pasty-faced geek with skin so pale that it's almost translucent trying to bump parts with a partner - John Simmons / outlaw programmer
Deja View - the feeling that you've seen this post before.
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There are three generations.
The first is named generation 0.
Do you dare to venture a guess on what the other two are named? 
---
single minded; short sighted; long gone;
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Guffa wrote: Do you dare to venture a guess on what the other two are named?
P and Q?  (just kidding)
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Baldric and Bob.
the last thing I want to see is some pasty-faced geek with skin so pale that it's almost translucent trying to bump parts with a partner - John Simmons / outlaw programmer
Deja View - the feeling that you've seen this post before.
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Hi all:
I am currently developing projects using (let me see if I can get this right) .NET Framework 1.1 which has C#, VB and ASP. I would like to upgrade to .NET Framework 2.0.
My questions are:
Where can I go on the internet to do this? I have spent hours cursing the internet and am completely confused.
Will the .NET Framework 2.0 provide me with the tools I listed above (C#, VB and ASP). I really need these tools.
Thanks in advance for help on this subject. And shame on Microsoft for making this simple upgrade process so complex.
Vern
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Vernware wrote: I have spent hours cursing the internet
Me too. I often curse the internet.
ASP.NET, VB.NET and C# are available in .NET2 for free.
the last thing I want to see is some pasty-faced geek with skin so pale that it's almost translucent trying to bump parts with a partner - John Simmons / outlaw programmer
Deja View - the feeling that you've seen this post before.
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Thanks for the info.
I went to these web sites and was able to get the tools I need. This was a great help.
Thanks again.
Vern
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Similar question: I've already downloaded and installed the .NET Framework 2.0. Now how do I import the controls to my VS.NET toolbox?
A little learning is a dangerous thing;
Drink deep, or taste not, the Pierian Spring.
—Alexander Pope
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what controls are you trying to import?
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Preferably all of them, but at the very least I'm trying to get FolderBrowserDialog (I think that's the name).
On a side note, I wonder why the SDK installation doesn't detect VS.NET and do this automatically? I guess only Microsoft knows.
A little learning is a dangerous thing;
Drink deep, or taste not, the Pierian Spring.
—Alexander Pope
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By the way I'm upgrading from 1.0 not 1.1. Or else I'd already have that component, yeah.
A little learning is a dangerous thing;
Drink deep, or taste not, the Pierian Spring.
—Alexander Pope
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What are you using for a programming enviroment, You need to use Visual Studio 2005 or the express edition to see the new controls. The 2.0 framework is not usable in Visual Studio 2003 or earlier
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I guess that's my problem, then; I'm using the Student Edition (I believe) of VS.NET 2002. Thanks for your help anyway, I'll just make do with the CLI compilers for now.
A little learning is a dangerous thing;
Drink deep, or taste not, the Pierian Spring.
—Alexander Pope
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I have two Datagrids, one above the other with the same width and X starting point. Is there a way that when the horizontal scrollbar of one is moved right-left, the scrollbar of the other moves to the same position as well?
Thanks!
RABB17
"Nothing fancy needed, please just solve all our problems as quickly as possible."
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Hi,
Can i use ILDASM(MS Disassember) at command prompt to extract only dependencies(their names) of a binary.
Warm Regards,
Mushq
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How would you make an assembly in the GAC show up in the add references dialog box of the VS.NET IDE?
Vasini
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In the registry:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Visual Studio\*.*\AssemblyFolders
Create an entry for the physical path to your component.
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