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.NET Framework 4.5
.NET Framework Class Library
System.Web Namespaces
System.Web.UI
Page Class
Page Properties
Application Property
AspCompatMode Property
AsyncMode Property
AsyncTimeout Property
AutoPostBackControl Property
Buffer Property
Cache Property
ClientQueryString Property
ClientScript Property
ClientTarget Property
CodePage Property
ContentType Property
Context Property
Culture Property
EnableEventValidation Property
EnableViewState Property
EnableViewStateMac Property
ErrorPage Property
FileDependencies Property
Form Property
Header Property
ID Property
IdSeparator Property
IsAsync Property
IsCallback Property
IsCrossPagePostBack Property
IsPostBack Property
IsPostBackEventControlRegistered Property
IsReusable Property
IsValid Property
Items Property
LCID Property
MaintainScrollPositionOnPostBack Property
Master Property
MasterPageFile Property
MaxPageStateFieldLength Property
MetaDescription Property
MetaKeywords Property
ModelBindingExecutionContext Property
ModelState Property
PageAdapter Property
PageStatePersister Property
PreviousPage Property
Request Property
Response Property
ResponseEncoding Property
RouteData Property
Server Property
Session Property
SkipFormActionValidation Property
SmartNavigation Property
StyleSheetTheme Property
Theme Property
Title Property
Trace Property
TraceEnabled Property
TraceModeValue Property
TransactionMode Property
UICulture Property
UniqueFilePathSuffix Property
UnobtrusiveValidationMode Property
User Property
ValidateRequestMode Property
Validators Property
ViewStateEncryptionMode Property
ViewStateUserKey Property
Visible Property
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Page.IsPostBackEventControlRegistered Property

.NET Framework 4.5

Gets a value that indicates whether the control in the page that performs postbacks has been registered.

Namespace:  System.Web.UI
Assembly:  System.Web (in System.Web.dll)
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public bool IsPostBackEventControlRegistered { get; }

Property Value

Type: System.Boolean
true if the control has been registered; otherwise, false.

.NET Framework

Supported in: 4.5, 4, 3.5 SP1, 3.0 SP2, 2.0 SP2

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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