WriteSubstitution Method

HttpResponseBase.WriteSubstitution Method

When overridden in a derived class, inserts substitution blocks into the response, which enables dynamic generation of regions for cached output responses.

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

public virtual void WriteSubstitution(
	HttpResponseSubstitutionCallback callback
)

Parameters

callback
Type: System.Web.HttpResponseSubstitutionCallback
The method, user control, or object to substitute.

ExceptionCondition
NotImplementedException

Always.

.NET Framework

Supported in: 4, 3.5 SP1

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.

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