C# order of Attributes

Question

C# order of Attributes

kesiya abraham 1 Microsoft Employee

Hi Team,

We would like to know the order of attributes when we retrieved through reflection is always the same or how the order of attributes is determined by the compiler.

[SomeAttribute("value1")]
[SomeAttribute("value2")]
[SomeAttribute("value3")]
[SomeAttribute("value4")]
public void MethodSample()
{
}

In this example, can we expect the order of SomeAtttribute always be the same through reflection?

Bruce (SqlWork.com) 77,766 Reputation points Volunteer Moderator

2021-12-14T15:40:38.073+00:00

The order is not defined, and the compiler team is free to change it in the future.

If you need an order, add a priority or sequence parameter

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Bruce (SqlWork.com) 77,766 Reputation points Volunteer Moderator

2021-12-14T15:40:38.073+00:00

The order is not defined, and the compiler team is free to change it in the future.

If you need an order, add a priority or sequence parameter

Answer 1

Karen Payne MVP 35,586 Volunteer Moderator

There is no significance in the order of attributes.

kesiya abraham 1 Reputation point Microsoft Employee

2021-12-14T11:39:28.99+00:00

When we tested it, it was kept the same order all the time. Are there any specific scenarios that might reorder the attributes, if that we can test and make sure that the order might change at some point ?
Karen Payne MVP 35,586 Reputation points Volunteer Moderator

2021-12-14T14:28:55.58+00:00

When we tested it, it was kept the same order all the time

Which is correct and what I meant by There is no significance in the order of attributes.

Are there any specific scenarios that might reorder the attributes

There are no scenarios which will change the order.
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C# order of Attributes

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