Question

SharePoint events

Asked by: CJ_S

With SharePoint event handlers it is quite easy to find events which delete, move or add items to lists. I want to attach some code to the View event (for example to increment listitem view count). How would I do this when there are no events for that available?


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Asked On
2009-04-06 at 05:49:24ID24297921
Topic

MS SharePoint

Participating Experts
2
Points
250
Comments
7

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Answers

 

by: zabiullahPosted on 2009-04-06 at 06:03:37ID: 24076879

There is no event available to track the view item, you can try the following

1) Create a column "View Count" in your list to hold the hit rate.
2) Create an User Control and write code to increase the count of the current item's "View Count" column value by 1 in page_load event.
3) Add this User Control to "DispForm.aspx". Now the count will be increased by 1 for the respective list item for each "DispForm.aspx" load.

 

by: ramuar1981Posted on 2009-04-06 at 06:05:18ID: 24076890

 

by: CJ_SPosted on 2009-04-06 at 23:09:37ID: 24084299

Thanks zab, how would you increase the count if the document from the document library is opened almost immediately in a new window? Is there a page in between where I could add that usercontrol?

 

by: zabiullahPosted on 2009-04-07 at 03:26:07ID: 24085635

The above solution will work for List. The "DispForm.aspx" will be used to display the listitem. you can edit the "DispForm.aspx" in desinger and add the user control / create a new display form in sharepoint designer and add the user control to it.

But the above solution will not work for Document Library. DispForm.aspx of Document Library used to display item's properties.. when you calick the document from document library, the browser will open the document, you can't increase the view count here.

I think of the following workarounds,
1) creating a Http Handler to increase the item view count when a item from document library is requested.
2) convert the list view web part to data form web part using sharepoint designer, change the link url of each item to open in new form using window.open(url). Append the query string with doc path. ex. "mydispform.aspx?url=http://www.xyz.com/doclib/mysampledoc1.doc".

create a new page "mydispform.aspx" and add a content editor web part. Add javascript to read the querystring and set href to the querystring url (doc path).
Also add the user control for increasing the item view count.

Now, when you click a document it will open "mydispform.asx?url=docpath" and the count will increase by 1 for that item.

 

by: CJ_SPosted on 2009-04-07 at 09:54:44ID: 24089403

Thank you very much for your thorough explanation.

Today I've been doing a few things to get this done.

1. I made a usercontrol which RunWithElevatedPrivileges to change the itemcount (in my case it is a different field, but it serves well as an explanation).
2a. I adjusted a data view by making it contain the XSLT data. In there I could adjust the HREF to move to the dispform.aspx. The HUGE drawback of this solution is that it is near impossible to easily adjust the views (e.g. add new columns to the view - this has to be done through SharePoint Designer, and even then it can be quite a hassle).
2b. I made a simple usercontrol which uses javascript to examine the current dataview and changes the direct link to the document to go to the dispform.aspx.

I will award you the points because I am really happy with 1 and 2b.

However, I am a little bit wondering one more thing. Perhaps you have an answer to it.

When making a view over a document library you can specify the columns you want to show. This includes the filename (with menu),, filename (with link to document) etc. Is there an easy way to make a custom column that you can call filename (with link to display form)?
This solution would obvious be 2c and be preferred over any of the other options.

Thanks for your time.

 

by: zabiullahPosted on 2009-04-07 at 22:10:30ID: 24094149

You can create a HTML calculated column to navigate to DIspForm.aspx. refer the following for creating HTML calculated column.

This will give you good start
http://blog.techgalaxy.net/archives/941

 

by: zabiullahPosted on 2009-04-07 at 22:13:17ID: 24094158

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