Date Validation

[Diego]

Can I validate (possibly with a compare validator) a Date entered by the
user based upon his regional settings?
I.e. if a user is american the format would be mm/dd/yyyy, if brittish
dd/mm/yyyy
Thanks, Diego.

 

[Tom.PesterDELETETHISSS]

Hi Diego
DateTime.Parse is what you need :
http://msdn.microsoft.com/library/d...f/html/frlrfsystemdatetimeclassparsetopic.asp

I hope it helps...

Cheers,
Tom Pester

 

[Peter Blum]

The CompareValidator works for this. Set its Operator=DataTypeCheck and
Type=Date.

For an article on common answers to validation problems, see
http://aspalliance.com/699.

--- Peter Blum
www.PeterBlum.com
Email: (e-mail address removed)
Creator of "Professional Validation And More" at
http://www.peterblum.com/vam/home.aspx

 

[Diego]

I tried but I'm in england with an english pc and when i try to use an
english date format (dd/mm/yyyy) the validation fails, the validation
succedes only with the american format (mm/dd/yyyy)
Any suggestions?
Thans, Diego.

 

[Diego]

Sorry I've replyed too quickly, Is it possible to do a validation depending
on the user culture? i.e. if an american logs in I accept 12/31/2005 and if
an English does I accept 31/12/2005?
Thanks, Diego.

 

[Tom.PesterDELETETHISSS]

I did some tests and the validation on the client reflects the culture that
was specified on the server.

A quick test is to add this to the page directive
<%@ Page Culture="en-US" %>
or
<%@ Page Culture="nl-BE" %>

The culture is now specified static and if you want to set it depending on
the browser user's culture you have to use these techniques :
for asp.net 1 http://west-wind.com/weblog/posts/334.aspx
for asp.net 2 its easier http://dotnetjunkies.com/WebLog/anoras/archive/2005/02/13/54271.aspx


Let me know if you have any more questions..

Cheers,
Tom Pester

 

[Diego]

Another question, once I've declared the culture in the page I try to do
something like this

obect.date = Convert.ToDateTime(grid["date"]) and I have an error (cannot
convert string to date), how can I convert the date according to the user
format?
Thanks, Diego.

 

[Tom.PesterDELETETHISSS]

What is the string that you try to convert there?

Don't forget about DateTime.Parse() too.

Cheers,
Tom Pester

Another question, once I've declared the culture in the page I try to
do something like this

obect.date = Convert.ToDateTime(grid["date"]) and I have an error
(cannot
convert string to date), how can I convert the date according to the
user
format?
Thanks, Diego.

I did some tests and the validation on the client reflects the
culture that was specified on the server.

A quick test is to add this to the page directive
<%@ Page Culture="en-US" %>
or
<%@ Page Culture="nl-BE" %>
The culture is now specified static and if you want to set it
depending on
the browser user's culture you have to use these techniques :
for asp.net 1 http://west-wind.com/weblog/posts/334.aspx
for asp.net 2 its easier
http://dotnetjunkies.com/WebLog/anoras/archive/2005/02/13/54271.aspx
Let me know if you have any more questions..

Cheers,
Tom Pester

 

[Diego]

The string is 25/01/2005 (english format)
Thanks, Diego.

 

[Peter Blum]

Hi Diego,

Please read the article I provided (http://aspalliance.com/699) because it
tells you exactly how to setup the culture for validators. See the heading
"Validators support for globalization".

--- Peter Blum
www.PeterBlum.com
Email: (e-mail address removed)
Creator of "Professional Validation And More" at
http://www.peterblum.com/vam/home.aspx

 

[Tom.PesterDELETETHISSS]

This code works perfectly :

<%@ Page Language="C#" Culture="en-GB" %>

<%
DateTime r = new DateTime();
r = Convert.ToDateTime("25/01/2005");
Response.Write(r);

%>

Are you asking the wrong question?

Cheers,
Tom Pester

 

[Diego]

I forgot to mention that I'm using asp.net 2.0, and the code doesen't work.
Diego.

 

[Tom.PesterDELETETHISSS]

I am using asp.net 2.0 too and I still can't reproduce the problem.

Let me know if you have any more questions..

Cheers,
Tom Pester