ASP.NET MVC String was not recognized as a valid DateTime

Question

I searched on the internet for a while now, but every answer i found, didn't worked for me.

I am trying to convert a string to a datetime, but every time i try different things, i get the exeption: System.FormatException: 'String was not recognized as a valid DateTime.

string temp = Request.QueryString["begintijd"];
DateTime test = DateTime.ParseExact(temp, "dd/MM/yyyy", CultureInfo.InvariantCulture);

The value of temp is: 05/22/2017 15:00:00

I also tried "MM/dd/yyyy" but that also fails.

@gravity - Since his time is in 24h format, hh will not work as it's used for 12h. In this instance, HH is needed. — Ben Buurstra
– Ben Buurstra, Commented May 22, 2017 at 18:18
Thanks for the help @gravity! Just the change noted by @ben buurstra and its works :D — Svenmarim
– Svenmarim, Commented May 22, 2017 at 18:21

Ben Buurstra · Accepted Answer · 2017-05-22 18:21:51Z

2

In your example, where temp = 05/22/2017 15:00:00, you need your 'format' in ParseExact to match that syntax.

So I would try this, DateTime test = DateTime.ParseExact(temp, "MM/dd/yyyy HH:mm:ss", CultureInfo.InvariateCulture);

edited May 22, 2017 at 18:21

answered May 22, 2017 at 18:14

Ben Buurstra

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