SecurityElement.Attribute(String) Method

Reference

Definition

Namespace:: System.Security

Assemblies:: netstandard.dll, System.Runtime.dll

Assembly:: System.Runtime.Extensions.dll

Assembly:: mscorlib.dll

Assembly:: netstandard.dll

Source:: SecurityElement.cs

Source:: SecurityElement.cs

Source:: SecurityElement.cs

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Finds an attribute by name in an XML element.

public:
 System::String ^ Attribute(System::String ^ name);

public string? Attribute(string name);

public string Attribute(string name);

member this.Attribute : string -> string

Public Function Attribute (name As String) As String

Parameters

name: String

The name of the attribute for which to search.

Returns

String

The value associated with the named attribute, or null if no attribute with name exists.

Exceptions

ArgumentNullException

The name parameter is null.

Examples

The following code shows the use of the Attribute method to find an attribute by name. This code example is part of a larger example provided for the SecurityElement class.

String^ xmlCreationDate = xmlElement->Attribute(L"creationdate");

string xmlCreationDate = xmlElement.Attribute("creationdate");

Dim xmlCreationDate As String = xmlElement.Attribute("creationdate")

Remarks

With XML as follows, Attribute("B") would return "456".

<thetag A="123" B="456" C="789">text</thetag>

Applies to

Tuote	Versiot
.NET	Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10
.NET Framework	1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard	2.0, 2.1

Jaa