checking if a field is null

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James 251 posts 1169 karma points

Jul 22, 2014 @ 13:38

0

Checking if a field is null.

Hello Everyone,

I am trying to test to see if a user has left a certain field null. If they have then i will render one of the other fields as below:

@if(@Umbraco.Field("Field1"){

do this

}

else{

do this

}

I cant test using @RenderLinkIfNotEmpty. And when i look at the cheat sheet is shows .IsNull(property Alias).

What is the best way for me to achieve this?

Kind regards.

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Dennis Aaen 4500 posts 18255 karma points admin hq c-trib

Jul 22, 2014 @ 13:48
101
Hi James,

I assume that you are doing this directly in the template and not a in partial view maco.

Try this:
```
@if (string.IsNullOrWhiteSpace(CurrentPage.Field1) == false){
    do this
}else{ 
    do this
}
```
If my assumption is wrong, do not hesitate to write again

Hope this helps,

/Dennis
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Jeavon Leopold 3074 posts 13632 karma points MVP 11x admin c-trib

Jul 22, 2014 @ 14:39
1
How about
```
@if (CurrentPage.HasValue("Field1")){
    <p>it's not null or empty</p>
}else{ 
    <p>it's null or empty</p>
}
```
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Aleksey Gerasimov 31 posts 95 karma points

Oct 07, 2016 @ 12:03

0

I'm getting true even value is null. Umbraco v743

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James 251 posts 1169 karma points

Jul 22, 2014 @ 15:30

0

Worked great, thanks for the responses.

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Dennis Aaen 4500 posts 18255 karma points admin hq c-trib

Jul 22, 2014 @ 15:42

0

Hi James,

That is great to hear.

@Jeavon: I was just using the syntax from the Txt Starter Kit,

@James, As you can see in Umbraco you can do things in several ways.

/Dennis.

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Jeavon Leopold 3074 posts 13632 karma points MVP 11x admin c-trib

Jul 22, 2014 @ 16:19

0

@Dennis, indeed :-)

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Checking if a field is null.