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SoapHeader.EncodedMustUnderstand Property

Gets or sets the value of the mustUnderstand XML attribute for the SOAP header when communicating with SOAP protocol version 1.1.

Namespace:  System.Web.Services.Protocols
Assembly:  System.Web.Services (in System.Web.Services.dll)

public string EncodedMustUnderstand { get; set; }

Property Value

Type: System.String
The value of the mustUnderstand attribute. The default is "0".


The property is set to a value other than: "0", "1", "true", or "false".

Do not use this property. Instead use the MustUnderstand property.

// MyHeader class is derived from the SoapHeader class.
MyHeader customHeader = new MyHeader();
customHeader.MyValue = "Header value for MyValue";

// Set the EncodedMustUnderstand property to true.
customHeader.EncodedMustUnderstand = "1";

WebService_SoapHeader_EncodedMustUnderstand myWebService = 
    new WebService_SoapHeader_EncodedMustUnderstand();
myWebService.MyHeaderValue = customHeader;
string results = myWebService.MyWebMethod1();
    results = myWebService.MyWebMethod2();
catch(Exception myException)
    Console.WriteLine("Exception raised in MyWebMethod2.");
    Console.WriteLine("Message: " + myException.Message);

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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