How to Retrieve Attribute Name and Value for Properties using .NET Reflection?

<.> The technique of using the .NET reflection to obtain the attribute name and value

This article discusses how to use the .NET reflection mechanism to extract the name-value pair. We take a class called as an example.

Question: Book Given a type, how to use reflection to obtain the characteristic name of each attribute and its associated value? Name Author Solution:

public class Book
{
    [Author("AuthorName")]
    public string Name { get; private set; }
}

Use the characteristics of the reflection access attribute, please follow the steps below:

Use to obtain a

instance array, which represents all the properties of this type. traversed each

, and use

to retrieve the custom characteristic array applied to the attribute.

Filter the characteristics of returned to identify the characteristics of the type required (for example,
1. here). typeof(Book).GetProperties() PropertyInfo Get the attribute name from the instance, and obtain the characteristic value from the recognized characteristics.
2. PropertyInfo The following examples realize the creation of a dictionary, which maps the name of the attribute name to its associated author name: GetCustomAttributes()
3. By using reflexes, we can dynamically check the attributes and extract custom characteristic data, so as to deeply understand the metadata associated with the code. AuthorAttribute

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