Formatting date for webform mail message

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briggzee-5832 asked May 11, '22 briggzee-5832 commented May 12, '22

Formatting date for webform mail message

In my ASP.Net VB app I have an tournament entry form that uses birth date. I pass the date to the database in the following format yyyy-mm-dd and it works fine. In the web form mail message I send to the applicant I want the birth date to display as MMM-dd-yyyy (eg Jan 1 2022). In the code behind I've tried various methods to re-format the date but keep getting various errors. The line of code in the mail message body is the following.
"<p>BIRTH DATE: " & HttpUtility.HtmlEncode(BirthDate) & "</p>" & .

Any help will be appreciated.

dotnet-aspnet-webforms

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briggzee-5832 · May 11 at 04:34 PM

Yes I convert in the code behind but am receiving the following error when I try your solution:

System.InvalidCastException:
Unable to cast object of type 'System.String' to type 'System.IFormatProvider'.

using the following code:

"<p>BIRTH DATE: " & HttpUtility.HtmlEncode(BirthDate.ToString("MM-dd-yyyy"))

0 ·

AgaveJoe briggzee-5832 · May 11 at 05:37 PM

The BirthDate variable is defined as a string. Convert the string to a DateTime using DateTime.TryParse() then back to a string. Or, fix the general design and use a DateTime throughout.

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briggzee-5832 AgaveJoe · May 12 at 04:22 PM

Thanks, I changed the design and it's working fine now.

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Answer 1 · 2022-05-11T06:08:23.43Z

YijingSun-MSFT answered May 11, '22

Hi @briggzee-5832 ,
Do you care of convertering data format in the code behind? You could use this:

 xxxxx.ToString("MM-dd-yyyy")

Best regards,
Yijing Sun

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