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Page.IsPostBackEventControlRegistered Property

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)

public bool IsPostBackEventControlRegistered { get; }

Property Value

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

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5 SP1, 3.0 SP2, 2.0 SP2
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