.NET Tutorials, Forums, Interview Questions And Answers
Welcome :Guest
Sign In
Win Surprise Gifts!!!

Top 5 Contributors of the Month
Gaurav Pal
Post New Web Links

Using wsp for event handlers

Posted By:      Posted Date: September 15, 2010    Points: 0   Category :SharePoint
Hi, I am using the WSP builder. After building the application in the development server, i got the filename.wsp under the visual studio projects in the solution folder. I am not sure of deploying the wsp file into the production server. Could someone guide me in installing and activating the event handlers. Also, when the event handler item was added, it showed ItemAdded and events like that, but it was not showing ItemDeleted event, by default. Is it possible to have ItemAdded and ItemDeleted events in the same eventhandler class? In the elements.xml file, there is a Type element. what is it used for. I have given it as < Type>ItemAdded</Type>, even though my class file has itemadded and itemdeleted event. Is this correct? Thank you

View Complete Post

More Related Resource Links

Get A Raise: Discover a Series of Fortunate Event Handlers in Visual Basic


You may use them every day, but how much do you really know about events? What's going on when you add an event handler to a class? In this article, Ken Getz demonstrates various ways to interact with events and event handlers, and shows how they can solve common problems. Along with the article, you can download two sample applications (one for Visual Basic .NET 2002 and 2003 and one for Visual Basic 2005) and follow along.

Ken Getz

MSDN Magazine June 2005

Adding client event handlers to an ASP.NET controls programmatically



I want to add client event handlers to ASP.NET controls (For example: GridView/Button ) programmatically to ASP.NET.

I am aware of "onclick" event handler, so my code would be

GridView1.Attributes.Add("onclick", "JSGridViewFunction()");

Button1.Attributes.Add("onclick", "JSButtonFunction()");

I want to know what are all the event handlers that are available for (or that can be added to)  ASP.NET controls.

For example, I want to add "onsort" event handler to ASP.NET GridView control.

But the following code fails

GridView1.Attributes.Add("onsort", "JSGridViewFunction()");

Please help.


Task Lists . Orphan Event Handlers


I wonder what are these empty event handlers that swarm in Task Lists with IDs 32767 ?

I think they can be a reason why my Announcements dont work from such lists. And wf dont autostart also (autostart on creation).

Event Handlers don't execute after restart from checkpoint

Hi,   I have OnPreExecute and OnPostExecute Event Handlers on the Package level for custom logging.  They fire on pre/post exec for every task in the package as I wish.  They don't fire however when the package is restarted from a checkfile.  FailPackageOnFailure is set to false for the event handlers and every task within them.  I thought this was how to prevent the task from being written to checkfile and in turn prevent the task from failing to execute after restart. Is it true there are no workarounds for this behaviour? Thanks, Josh

synchronous and asynchronous event handlers sharepoint 2007

Any one help me out to understand synchronous and asynchronous event handlers sharepoint 2007...why we r going to use..Event Handlers...

C# Problem with multiple SerialDataRecieved event handlers

Hi all, I'm relatively new to C# and have no formal programming experience so apologies in advance if the way I do things are bad practice etc - I generally implement things in a way which seems logical to me! As a small project I'm making a toy car which can drive itself, the problem I've currently got is reading data from two serial port devices at once. The way I tend to work is to write smaller applications to do one function and get that working before integrating it into a larger application which will pull all the functions together. I've written a "Serial_Port_Communications" class which allows you to pass a serial port object into it and then perform some typical functions: open a port, close it, read data, write data etc. Thats common code across all of my serial devices (they all need to do the same operation so why re-write it?) Then for each device I've got a class which handles the operations and data specific to it: GPS & Compass. Each of those two create instances of the Serial_Port_Communications class. In the GPS & Compass classes, they each have a SerialPort object which has an eventhandler assigned to it for when data is received e.g GPS.datareceived += & Compass.datareceived +=... They each work flawlessly when they run as the mini-applications i.e. I can Parse the GPS data that is received and I can read

System.Runtime.InteropServices.COMException with Event Handlers

hi,           i have written an ItemDeleting Event handler for a document library which holds images. the itemdeleting eventhandler works fine and displays the  errormessage on sharepoint error page when properties.cancel=true and properties.ErrorMessage="This Image is still being used in Announcements. Cannot Delete. ". this works fine when i delete from the doclibrary itself. when i delete the images in the document library from the ImageManger Tool of RadEditor it throws the com exception as follows instead of the sharepoint error page Server Error in '/' Application. -------------------------------------------------------------------------------- This Image is still being used in Announcements. Cannot Delete. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.Runtime.InteropServices.COMException: This Image is still being used in Announcements. Cannot Delete. can anyone suggest, how to reslove this issue.? i have the screenshots,which would better explain but i dont know how to paste images into this forum? kindly let me know how to upload images to this forums also. thank you all

workflow pause and event handlers


Hi All,

No matter what I do, if I pause my workflow, and then update a list item after the pause is over, my event handler on update list item will not fire, though the item has been updated! No matter I use Set Field or Update Field, same result. If I do not use pause, it will fire. 

I need pause to give user sometime to react, if he doesnt then remind him. Can use Wait Until Due Date etc., but why not pause. (Not sure, if event firing will work with Wait Until Due Date even.)

Any ideas will be much appreciated.


Rehman Gul

Event Handlers need to return the actual table, column and value of column and name of task which tr



Within SQL 2005 within the Event Handler tab I created a an Execute SQL Task with the following SQL statement; -

INSERT INTO dbo.CustomSSISLog (SourceName, SourceDescription, ErrorDescription,PackageName,ErrorCode,TaskName) VALUES (?,?,?,?,?,?)

In conjunction with using the Parameter Mapping tab to map parameters to system variables the above work's quite well. However the TaskName contains the name of the task which inserts the error record, I want it to contain the name of the Task (SSIS component) which triggered the error.

Also I need the error record to contain the actual table, column and value in the column which triggered the error, any ideas? There does not seem to be readily available system variables to do this.

Kind Regards,


If you have found any of my posts helpful then please vote them as helpful. Kieran Wood MCTS BI, PGD SoftDev (Open), MBCS http://uk.linkedin.com/in/bileeds

Application Resource and Event Handlers


I found a topic quite similar to my problem but ton the same I think. So I decided to post anyway

The thing is I have a CellTemplate Application Resource that I want to use in DataGrid TemplateColumns used for refresh.

The problem is that in the DataTemplate I have an image and I want to be able to set the MouseLeftButtonUp in the WPF Window or Control that I use the CellTemplate Resource. I made various attempts to some-how "overload" the resource in the Window but with no result. Can someone please enlighten me?

There follows the code snipet from the <Application.Resources> section

<DataTemplate x:Key="refreshColumnTemplate">
<StackPanel Orientation="Horizontal" VerticalAlignment="Center">
 <Image HorizontalAlignment="Stretch" Name="image3" Stretch="UniformToFill" VerticalAlignment="Stretch" Source="..."
  Width="22" Height="22" Cursor="Hand" MouseLeftButtonUp="Should I put something here?"/>

in the WPF Window the usage of the data template looks like this:

<DataGridTemplateColumn ... CellEditingTemplate="{StaticResource refreshColumnTemplate}"

Auto generate page level event handlers?


Inside VS2010 is there a way of auto generating page level event handler code? 

Error When am copying Date column from one list to another List using Sharepoint event handlers


when am copying a date column from list A to List B.

am able to copy the the date but, copied date has date decreased by a day!



List A


Date= 11\26\2010


after coping to

List B


Date = 11\25\2010


any thoughts?

 DateTime dt;
            if (properties.AfterProperties["follow_x0020_Date"] != null)

                item["Status follow up date"] = properties.AfterProperties["follow_x0020_Date"].ToString();
                flag = 1;
                dt = Convert.ToDateTime(properties.ListItem["follow_x0020_Date"]);

access event handlers through link



Hello all members,

I am making an application in which i use button images instead of button control in web forms.

So, How can i access event handler through this image link ?

Ex.: For Button Control, there si a event handler called button_Click().

So. Just by pressing button control, i can access this event handler.

I want to achive this by clicking on link i.e <a> anchor tag.

Thanks in advance.

How to create event handlers for Composite Controls



How to create event handlers for Composite Controls. I have created a composite control with label, textbox and button. Like this

        public TextBox txt1 = new TextBox();
        public Label lbl1 = new Label();
        public Button btn1 = new Button();

protected override void CreateChildControls()



Now how to write the code once a event fires like text changed or click.



ASP.NET validation controls are removing client event handlers.


 Below is a tiny section of code to highlight a problem that I am currently having. The textbox has an onblur event (the workings of the onblur event are irrelevant), and an associated RequiredFieldValidator. This code functions exactly as it should. However, if in the body onload event I simply raise an alert of the innerHTML of tr1 or td1, the onblur event does not appear (but it does work, and can be seen when I view source in IE7). If I remove the RequiredFieldValidator, the onblur event handler is shown in the alert, or if I retain the validator but change onblur to onfocus, then the event handler also appears in the alert. I need this to work as when the user increases the Quantity, duplicates of the table row are added (I have tried both cloneNode, and setting the innerHTML of each new table cell to that of the original, but as my alert proves, the onblur event handler is not included in what is copied). The same problem also occurs with onchange for select tags with validators. I am using Visual Studio 2008 (.Net 2), IE7 and IIS 7.

<tr id="tr1" /> 
  <td id="td1" />Quantity <input id="txtQuantity" onblur="fnBlur(this)" type="text" maxlength="2" value="1" runat="server" />   
 <asp:RequiredFieldValidator id="reqQuantity"

Event Handlers in 2010 vs. 2007


I hope this is posted to the correct forum. 

I have successfully migrated an entire Farm from 2007 to 2010. Most everything converted successfully without a hitch. In 2007, I constructed some very integral and complicated custom event handlers that worked with SPLists and SPListItems  on the Item Added / Changed event using Visual Studio 2008. 

Is there a way to convert event handlers from 2007? Or will I have to recode everything from scratch?


Thanks in Advance,



Edit: I have VS2010 now instead of 2008, that is a concern. Also, everything is operating on a 64bit server.


ASP.NET Architecture - ASP.NET Worker Process - HTTP Pipleline - Http Modules and Handlers

"ASP.NET is a powerful platform for building Web applications, that provides a tremendous amount of flexibility and power for building just about any kind of Web application. Most people are familiar only with the high level frameworks like WebForms and WebServices which sit at the very top level of the ASP.NET hierarchy. In this article I'll describe the lower level aspects of ASP.NET and explain how requests move from Web Server to the ASP.NET runtime and then through the ASP.NET Http Pipeline to process requests.
ASP.NetWindows Application  .NET Framework  C#  VB.Net  ADO.Net  
Sql Server  SharePoint  Silverlight  Others  All   

Hall of Fame    Twitter   Terms of Service    Privacy Policy    Contact Us    Archives   Tell A Friend