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facing issue in plugin code.

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Posted on by Ravi Fulani

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Hi,

I had a code in my plugin, and my plugin was built as preopertaion.

The senario is, i always use

if(entity.contains("attributename"))

and my code did enter this if statement last night even when there was no value in that attribute, it happend suddenly and i am unable to figure out why this happened. So to resolve the issue I went and modified the line

If(entity.contains("attributename") && entity.Attribute["attributename"] != null)

then it did not entered this statement and all worked fine.

Can someone help me understand why sudden change was needed for me to implement.

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Ravi Fulani 830 on at

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RE: facing issue in plugin code.

entity.Contains(“fieldname”), if the field specified exists in the list of parameters it will return true. The reason this works is because CRM doesn’t pass null values in the parameter list, so if its null it won’t exist.

And we are using this thing from past 2 years and it was always working fine. I could not understand why now it created error.
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Ankit Sabharwal on at

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RE: facing issue in plugin code.

Hy Ravi,

Entity.Contains only check if the object has an attribute present in its object or not. It don't check the value of an attribute

if the Entity contains an attribute with the specified name; otherwise, false.

https://docs.microsoft.com/en-us/dotnet/api/microsoft.xrm.sdk.entity.contains?view=dynamics-general-ce-9

Please refer to above article.

Thanks,

Ankit Sabharwal