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How to scroll an ASP.NET control into view after page load using codebehind

, 21 Mar 2005 115.6K 50
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This simple function uses JavaScript to scroll any control into view after the page has loaded.

Introduction

In some cases when an ASP.NET page loads the control, you need to focus on is not visible because it is further down the page. I have had numerous occasions when a request variable indicates which item on a long list the user is interested in viewing, this script can help by scrolling the particular item into view.

Code

The following function I have added to a Utils.dll library for general use so is static and needs the current page as a variable.

public class Utils
{
   public static void FocusControlOnPageLoad(string ClientID, 
                                       System.Web.UI.Page page)

   {

      page.RegisterClientScriptBlock("CtrlFocus",

      @"<script> 

      function ScrollView()

      {
         var el = document.getElementById('"+ClientID+@"')
         if (el != null)
         {        
            el.scrollIntoView();
            el.focus();
         }
      }

      window.onload = ScrollView;

      </script>");

   }
}

You can use this as follows:

private void Page_Load(object sender, System.EventArgs e)
{
Utils.FocusControlOnPageLoad(this.yourcontrol.ClientID, this.Page);
}

Hopes this helps someone.

License

This article has no explicit license attached to it but may contain usage terms in the article text or the download files themselves. If in doubt please contact the author via the discussion board below.

A list of licenses authors might use can be found here

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About the Author

Ach1lles
Founder Tech Dept
United Kingdom United Kingdom
My Evolution:
TRS-80 Basic, Clipper, C, Better Basic, FORTRAN, C++, Visual Basic, Delphi, C#

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Comments and Discussions

 
QuestionThanks! Pin
nexsoftware17-Mar-14 7:44
membernexsoftware17-Mar-14 7:44 
Question5 Stars Pin
Tuyen Nguyen GB23-Oct-13 5:10
memberTuyen Nguyen GB23-Oct-13 5:10 
GeneralMy vote of 5 Pin
Tuyen Nguyen GB23-Oct-13 5:10
memberTuyen Nguyen GB23-Oct-13 5:10 
GeneralMy vote of 5 Pin
lighthousekeeper5-Apr-13 11:05
memberlighthousekeeper5-Apr-13 11:05 
GeneralThanks!! Pin
xanderex17-Aug-10 13:26
memberxanderex17-Aug-10 13:26 
Thank you !!
i did not use your code but the function scrollIntoView() was really hard to find it.
thank u for posting it XD
GeneralUsing in a Modal Popup Pin
Nate_115-Sep-09 10:32
memberNate_115-Sep-09 10:32 
GeneralSlightly different scenario Pin
Mihai Drebot12-Apr-08 6:14
memberMihai Drebot12-Apr-08 6:14 
GeneralHorizontal Scroll Pin
sree473-Aug-05 16:29
membersree473-Aug-05 16:29 
GeneralI had trouble with the window.onload Pin
tanr16-Mar-05 16:53
membertanr16-Mar-05 16:53 
GeneralRe: I had trouble with the window.onload Pin
Ach1lles21-Mar-05 0:07
memberAch1lles21-Mar-05 0:07 
GeneralThis is only MSIE specific Pin
stp7-Mar-05 23:16
memberstp7-Mar-05 23:16 
GeneralRe: This is only MSIE specific Pin
Ach1lles8-Mar-05 0:02
memberAch1lles8-Mar-05 0:02 
GeneralActually - no Pin
leopfeifenberger3-Mar-05 2:52
memberleopfeifenberger3-Mar-05 2:52 
GeneralRe: Actually - no Pin
Ach1lles3-Mar-05 3:14
memberAch1lles3-Mar-05 3:14 
GeneralRe: Actually - no Pin
leopfeifenberger3-Mar-05 3:32
memberleopfeifenberger3-Mar-05 3:32 
GeneralRe: Actually - no Pin
Ach1lles3-Mar-05 3:48
memberAch1lles3-Mar-05 3:48 
GeneralRe: Actually - no Pin
Ashaman21-Mar-05 5:06
memberAshaman21-Mar-05 5:06 
GeneralRe: Actually - no Pin
lp34421-Mar-05 20:53
memberlp34421-Mar-05 20:53 

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