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Revised ValidationContext.MemberName #2366

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Merged
merged 2 commits into from
Apr 26, 2019
Merged

Revised ValidationContext.MemberName #2366

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b4146b9
Revised ValidationContext.MemberName
Apr 25, 2019
bbb81e9
Update xml/System.ComponentModel.DataAnnotations/ValidationContext.xml
mairaw Apr 26, 2019
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17 changes: 14 additions & 3 deletions xml/System.ComponentModel.DataAnnotations/ValidationContext.xml
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Expand Up @@ -339,9 +339,20 @@
<remarks>
<format type="text/markdown"><![CDATA[

## Remarks
This property represents an entity member name, not the name of a corresponding data field. Therefore, this name is not a localized name. It should be set only for property or parameter contexts.

## Remarks

This property represents an entity member name, not the name of a corresponding data field. Therefore, this name is not a localized name. It should be set only for property or parameter contexts.

In .NET Framework 4.7.2 and earlier versions, when using a custom <xref:System.ComponentModel.DataAnnotations.ValidationAttribute?displayProperty=nameWithType>, the `MemberName` property returns `null`. Starting with .NET Framework 4.8, you can change the default behavio so that the property returns the member name by adding the following setting to your app config file:

```xml
<configuration>
<appSettings>
<add key="aspnet:GetValidationMemberName" value="true" />
</appSettings>
</configuration>
```

]]></format>
</remarks>
</Docs>
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