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ScriptIgnoreAttribute Class

Specifies that JavaScriptSerializer will not serialize the public property or public field. This class cannot be inherited.

System.Object
  System.Attribute
    System.Web.Script.Serialization.ScriptIgnoreAttribute

Namespace:  System.Web.Script.Serialization
Assembly:  System.Web.Extensions (in System.Web.Extensions.dll)

[AttributeUsageAttribute(AttributeTargets.Property|AttributeTargets.Field)]
public sealed class ScriptIgnoreAttribute : Attribute

The ScriptIgnoreAttribute type exposes the following members.

  NameDescription
Public methodScriptIgnoreAttributeInitializes a new instance of the ScriptIgnoreAttribute class.
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  NameDescription
Public propertyTypeIdWhen implemented in a derived class, gets a unique identifier for this Attribute. (Inherited from Attribute.)
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  NameDescription
Public methodEqualsInfrastructure. Returns a value that indicates whether this instance is equal to a specified object. (Inherited from Attribute.)
Protected methodFinalizeAllows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
Public methodGetHashCodeReturns the hash code for this instance. (Inherited from Attribute.)
Public methodGetTypeGets the Type of the current instance. (Inherited from Object.)
Public methodIsDefaultAttributeWhen overridden in a derived class, indicates whether the value of this instance is the default value for the derived class. (Inherited from Attribute.)
Public methodMatchWhen overridden in a derived class, returns a value that indicates whether this instance equals a specified object. (Inherited from Attribute.)
Protected methodMemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Public methodToStringReturns a string that represents the current object. (Inherited from Object.)
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  NameDescription
Explicit interface implemetationPrivate method_Attribute.GetIDsOfNamesMaps a set of names to a corresponding set of dispatch identifiers. (Inherited from Attribute.)
Explicit interface implemetationPrivate method_Attribute.GetTypeInfoRetrieves the type information for an object, which can be used to get the type information for an interface. (Inherited from Attribute.)
Explicit interface implemetationPrivate method_Attribute.GetTypeInfoCountRetrieves the number of type information interfaces that an object provides (either 0 or 1). (Inherited from Attribute.)
Explicit interface implemetationPrivate method_Attribute.InvokeProvides access to properties and methods exposed by an object. (Inherited from Attribute.)
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If you apply ScriptIgnoreAttribute to a public property or public field of a class, then JavaScriptSerializer ignores, or skips, the member when serializing an instance of the class to JavaScript Object Notation (JSON) format.

The ScriptIgnoreAttribute will have no effect if the ResponseFormat property is set to Xml. If you want to have the same behavior when serializing to XML format, XmlIgnoreAttribute should be applied to the property or field instead. This is because the class will be serialized by using XmlSerializer instead of JavaScriptSerializer.

You can also apply both ScriptIgnoreAttribute and XmlIgnoreAttribute to a property or field. In this case, the property or field will be ignored for JSON and XML response formats.

For more information about how to use attributes, see Extending Metadata Using Attributes.

The following example demonstrates how to apply ScriptIgnoreAttribute to the Comment field in the custom class named Group. This instructs JavaScriptSerializer to ignore the field when serializing an instance of the class to JSON format.


using System;
using System.Web.Script.Serialization;

public class Group
{
    // The JavaScriptSerializer ignores this field.
    [ScriptIgnore]
    public string Comment;

    // The JavaScriptSerializer serializes this field.
    public string GroupName;
}


.NET Framework

Supported in: 4, 3.5

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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