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Asked: 2026-06-17T09:51:16+00:00

I currently have the standard Datetime using AM / PM . I wish to

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I currently have the standard Datetime using AM/PM. I wish to have 24H Display. Searching the web gave me alot of options with String.Format() option.

Problem is that this creates a string object to display the date. I need to use a datetime object because it is used in a table and the date column must be able to be sorted (asc/desc). The table is of a GridView Object.

Code Example

Currently the code shows the date as follows 8/21/2009 11:28:36 AM. I a perfect situation it would show as 11:28:36 21/8/2009. I know i can get that result with the following code.

date.ToString("dd/MM/yyyy HH:mm:ss");

Problem is that this is a string. The string get’s placed into the table and if i sort the date column it will first sort on day instead of year.
showing the followin descending column.

21/8/2009 11:28:36
20/1/2013 15:55:23

To correctly be able to sort the column the inserted objecttype should be DateTime. the object type is forced by the following code.

dateTable.Columns.Add(new DataColumn("Date", typeof(DateTime)));
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1 Answer

  1. Editorial Team

    According to this article you can use a boundfield like so:

    <asp:boundfield datafield="Your_Date_Column" dataformatstring="{0:MMMM d, yyyy}" htmlencode="false" />

    You can then simply use this format string:

    "HH:mm"

    Where capital H renders the 24-hour time, as opposed to a small h which would render a 12-hour time.

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