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AspNetCompatibilityRequirementsAttribute.RequirementsMode Property

Gets or sets the level of ASP.NET compatibility required by the service.

Namespace:  System.ServiceModel.Activation
Assembly:  System.ServiceModel (in System.ServiceModel.dll)

public AspNetCompatibilityRequirementsMode RequirementsMode { get; set; }

Property Value

Type: System.ServiceModel.Activation.AspNetCompatibilityRequirementsMode
The AspNetCompatibilityRequirementsMode that indicates the services required degree of ASP.NET compatibility. The default value is NotAllowed, so that users must explicitly design a WCF service to be running in the compatibility mode.

ExceptionCondition
InvalidEnumArgumentException

The value is not a valid one for the AspNetCompatibilityRequirementsModeenum.

Use the RequirementsMode property to set the hosting mode in code. This can also be done by setting an application-level configuration flag aspNetCompatibilityEnabled. For more information, see serviceHostingEnvironment.

At runtime, applications can detect whether ASP.NET compatibility mode is enabled by checking the value of the static property AspNetCompatibilityEnabled.

[AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Required)]
public class CalculatorService : ICalculatorSession
{
    double result
    {   // Store result in AspNet session. 
        get
        {
            if (HttpContext.Current.Session["Result"] != null)
                return (double)HttpContext.Current.Session["Result"];
            return 0.0D;
        }
        set
        {
            HttpContext.Current.Session["Result"] = value;
        }
    }

    public void Clear()
    {

    }

    public void AddTo(double n)
    {
        result += n;
    }

    public void SubtractFrom(double n)
    {
        result -= n;
    }

    public void MultiplyBy(double n)
    {
        result *= n;
    }

    public void DivideBy(double n)
    {
        result /= n;
    }

    public double Equals()
    {
        return result;
    }
}

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

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

.NET Framework

Supported in: 3.5, 3.0
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