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ControlCollection.IndexOf Method

Retrieves the index of a specified Control object in the collection.

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

abstract IndexOf : 
        value:Control -> int  
override IndexOf : 
        value:Control -> int


Type: System.Web.UI.Control

The Control for which the index is returned.

Return Value

Type: System.Int32
The index of the specified server control. If the server control is not currently a member of the collection, it returns -1.

Use this method to determine the index location of the specified server control in the ControlCollection object.

The following code example uses the IndexOf method to write the index location of a control, myLiteralControl, in the ControlCollection collection of a Button control named myButton.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1
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