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Docs-->.NET-->API reference-->System.?Web.?UI-->Control-->Methods-->Find?Control

时间:2017-06-02 14:55:20      阅读:290      评论:0      收藏:0      [点我收藏+]

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https://docs.microsoft.com/en-us/dotnet/api/system.web.ui.control.findcontrol?view=netframework-4.7

FindControl(String)

Searches the current naming container for a server control with the specified id parameter.

public virtual System.Web.UI.Control FindControl (string id);
Parameters
id
String

The identifier for the control to be found.

 

Returns

The specified control, or null if the specified control does not exist.

 

Remarks

Use FindControl to access a control from a function in a code-behind page, to access a control that is inside another container, or in other circumstances where the target control is not directly accessible to the caller.

This method will find a control only if the control is directly contained by the specified container; that is, the method does not search throughout a hierarchy of controls within controls.

For information about how to find a control when you do not know its immediate最接近的 container, see How to: Access Server Controls by ID.

 

 

 

 

 

 

 

Docs-->.NET-->API reference-->System.?Web.?UI-->Control-->Methods-->Find?Control

标签:sha   another   for   span   otn   har   api   sharp   ext   

原文地址:http://www.cnblogs.com/chucklu/p/6932971.html

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