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

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

Bind Event Receiver to List Dynamically

Posted By:      Posted Date: September 29, 2010    Points: 0   Category :SharePoint

Hey all, I've been working on a little application page that will give users the option to say whether a list should allow duplicate title entries.

I am able to pass the current list GUID to the application page using this:

<UrlAction Url="~site/_layouts/preventduplicates.aspx?List={ListId}"/>

within a custom action which I've added to the list settings. I'm kind of stuck now....


I'm not sure how to grab this GUID out of the url, and use it so I can bind the current list with my event receiver. Every example I've seen of binding has used a hard coded list name which is fine as an example, but isn't the best for real applications. Or is there a way to use the GUID to get the lists name which I can then pass to the spweb.Lists[var] ? Since I won't know the list name beforehand.

Hope all of that makes sense, any suggestions are appreciated.

View Complete Post

More Related Resource Links

List Event Receiver in Visual Studio 2010 Received "Save Conflict"


Here is the code. ItemUpdated was looped multiple times that caused the error shown below the code.  I Google the error and one suggestion was adding "if (properties.AfterProperties["vti_sourcecontrolcheckedoutby"] == null && properties.BeforeProperties["vti_sourcecontrolcheckedoutby"] != null)" will prevent the loop. The problem was both properties.AfterProperties["vti_sourcecontrolcheckedoutby"] and properties.BeforeProperties["vti_sourcecontrolcheckedoutby"] were always null. Any ideas?

Is it possible to update a list item in the ItemUpdating event receiver?


i need to add a property (SPListItem.Properties) to the SPListItem being updated in my ItemUpdating event receiver. is there any way to do that?

SPListItem.Update() doesnt seem to be an option, so the obvious answer is probably trying to use the SPItemEventProperties object called properties by calling properties.AfterProperties.ChangedProperties.Add(key, value) and letting sharepoint do the rest, but it turns out it actually deals with fields and not properties. it's a little misleading. so is there another way? some kind of painful work around maybe?

Event Receiver für WorkflowCompleted event - How to get list item?



I'm using an event receiver, which reacts on the WorkflowCompleted event (which is new in SharePoint 2010). In general the event is fired, when an associated workflow has been completed. The question is: how to get the list item the workflow is running against? The WorkflowCompleted event handler has a parameter of type SPWorkflowEventProperties, but via those properties I can't access the specific list item.

Any Idea how to achieve this?




Event receiver firing wrong list



I have added two eventreceivers to two different lists. But the receivers are firing on both list.
In the element.xml  files ( one for each list) I am adding the receiver to the listdefinition. See below..

When I add an item to any of the two list, the eventreceivers are firing, independent on the list I added the item to.

Does anybody know why?

List 1
<Receivers ListTemplateId="20011">
      <Assembly>AL.Intranet.EventReceivers, Version=, Culture=neutral, PublicKeyToken=0224865009a9e8c5</Assembly>

List 2
  <Receivers ListTemplateId="20020">

.NET Reflection: Dynamically Bind Your Data Layer to Stored Procedures and SQL Commands Using .NET M


One major inconvenience of using SQL stored procedures from code is having to match type information. You have to write long wrapper functions around the procedures just to expose the data types. In the .NET Framework, however, the reflection services of the System.Reflection namespace allow you to query rich metadata that describe data types. This article explains how to use reflection in .NET to end your stored procedure nightmares. The author creates four custom classes, including one that generates a SQLCommand object based on the metadata of a method. Using this library, you'll be on your way to automating the generation of stored procedures.

Atif Aziz

MSDN Magazine August 2002

Why feature with event receiver doesn't activate properly after site provisioning?



I have defined feature with event receivers for my document library and for users List .

I try to activate my feature in onet.xml in section <WebFeatures>. After provisioning a new site from onet.xml  all work fine and my feature is shown as activated, but event receivers doesn't fire. It fires only after reactivating my feature (deactivate, then activate it again). But I need my feature works immediately after site provisioning without deactivating and activating it again. Who knows how to solve this problem?

part of ONET.xml



        <Feature ID="00BFEA71-4EA5-48D4-A4AD-7EA5C011ABE5"/>

        <!-- TeamCollab Feature -->

        <Feature ID="F41CC668-37E5-4743-B4A8-74D1DB3FD8A4"/>

        <!-- MobilityRedirect -->

        <!--My EventReceivers Feature-->

        <Feature ID ="41178843-A6A4-47c7-9EF9-B8A432E02B88"></Feature>





How to pupolate one Drop Down list values dynamically depending on the value of another Drop down fr


i have two dropdowns in my Custom form.

One drop down displays all the list titles present in the current site.

i want to update another drop down with the list of columns(Field Names not the items).

i am able to get list named in one drop down but i am not able to figure out how to dynamically populate the another drop down with list of columns

any ideas

bind drop down list in content page from value from master page

Hi all, I have applied nested master page to some page. Now i want to bind drop downlist from value selected in dropdown list in master page of master applied to that page. the hierarchy of pages is  mypage.aspx -> main.aspx -> inner.master I want bind dropdown list in  mypage.aspx from  from value selected in dropdown list in  inner.master Please help me. 

Sharepoint 2010 List Added Event Problem

Hi All, I have created List Added Event Handler. In that Event I want to Add Custom Field in List as List is created. I get an Error "The Specified Program Requires    a newer version of windows" Is there ant solution for it. I have tried it also creating new instances of spweb and spsite rather than getting it from "Properties" Thanks Saumil Thakkar

how to get values of list item being entered in ItemAdding event handler?

Hi,          i am trying to get the values being entered in a listitem in the ItemAdding eventhandler as follows, but it doesnt work. public override void ItemAdding(SPItemEventProperties properties)         {             base.ItemAdding(properties);             SPSite CurrentSite = new SPSite("http://mm-moss/np/");             SPWeb CurrentWeb = properties.OpenWeb();             SPList CurrentList = CurrentWeb.Lists[properties.ListId];             string vehicleNo = CurrentList.Items[CurrentList.Items.Count - 1]["Vehicle No"].ToString();             string  name=CurrentList.Items[CurrentList.Items.Count-1]["Name"].ToString(); } when i debug i cant get hold of the VehicleNo value. canyone help me in getting the values of the list item being entered? Thank you all.

What is the best way to dynamically create a scrollable list of forms that when clicked expand for e

Hello, What is the best way to dynamically create a scrollable list of forms that when clicked expand for entry? More details: In my XAML I have a TabControl. One particular TabItem looks like this:   <TabItem Name="Tab_Forms" Header="4" Width="50" Height="20" Background="{x:Null}" BorderBrush="{x:Null}"> <Border Name="Tab_CategoryTabSelected_Border" BorderThickness="10" BorderBrush="Transparent" Padding="3"> <... What do I use here? ...> </Border> </TabItem> At the location <... What do I use here? ...> I need some sort of scrollable control.  The scrollable control can be part of the XAML above. However, the contents of that scrollable control will be entirely code generated. Within that scrollable control will be a vertical list of forms by name with an expansion/contract button next to the name.  When the user clicks the expansion button, the form expands into view, and may be longer than the viewable area, and the user will need to be able to enter data into the entry fields.  I need the tab key to go from field to field as would be expected. If the user is on the last viewable field and there are more fields below, when the user hits the tab key, the for

Handling event from dynamically generated ImageButtons

Dear all,I have a situation here.Please review the following codeImports MySql.Data.MySqlClient Imports VB = Microsoft.VisualBasic Partial Class AddFriend Inherits System.Web.UI.Page Dim WithEvents btnAccept As ImageButton Dim WithEvents btnReject As ImageButton Protected Sub Page_Init(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Init Dim ConnectionString As String ConnectionString = ConfigurationManager.ConnectionStrings("MySqlConnectionString").ToString.Trim Dim MySqlConnection As New MySqlConnection(ConnectionString) Try MySqlConnection.Open() Dim MySqlCommand As New MySqlCommand("", MySqlConnection) MySqlCommand.CommandText = "Select `ccf`.uuid,`ccf`.requestmsg,`cu`.* from `chittochat`.`cc_friends` as `ccf`, `chittochat`.`cc_users` as `cu` where `cu`.uuid=`ccf`.uuid and `ccf`.fuuid='" & Membership.GetUser(Page.User.Identity.Name.Trim).ProviderUserKey.ToString & "' and `ccf`.accepted=0" Dim Reader As MySqlDataReader = MySqlCommand.ExecuteReader If Reader.HasRows Then Do While Reader.Read() Dim img As New Image With {.Height = 40, .Width = 35, .ImageUrl = "content\userphoto\" & Reader("PhotoURL").ToString.Trim & Reader("PhotoEXT"

set the Report URL property to a specific report dynamically based on the selection in the list.

Hi I want to use  embedding the Report Viewer Web Part in a Web page, and I know we  should set the Report URL property to a specific report. but  is there a way by which we can set the url  dynamically based on the selection of the report  from  the list How can I customize this  feature Any Help on this is appreciated. Thanks

Bind List&lt;&gt; to GridView

Can any body help how to update list through gridview

List Event Receivers firing for all custom lists

Hello, I have a site with two custom lists, and I have created an EventReceiver class to handle the ItemAdded event for custom lists. I have modified the EventReceiver's Elements.xml file to only handle items added to one of the custom lists instead of all custom lists, by changing: <Receivers ListTemplateId="100"> to <Receivers ListUrl="/Lists/MyCustomList">   however, when debugging, the ItemAdded method is being fired when an item is added in both custom lists. I have had to work around this by checking within the ItemAdded method for the list that fired the event:        public override void ItemAdded(SPItemEventProperties properties)        {            base.ItemAdded(properties);            if (properties.ListTitle.Equals("My Custom List")) { ... } I thought the ListUrl attribute of the Receivers element specifies the event to only fire for the specific list with that url? (see http://msdn.microsoft.com/en-us/library/ms431081.aspx). Is there somewhere else I should be checking?   Thanks

How to rename the document using event receiver during upload

Hi all, I am going to programmaticlly rename the document when it is being uploaded to the document library. In Visual Studio 2010, I used the event receiver and choosed the documment libray type, for the event I selected 'ItemAdding". However I am not able to update the file name using the codes inside this thread: http://social.msdn.microsoft.com/Forums/en-US/sharepointdevelopment/thread/5c3dcc5d-3113-463d-8835-2a050b2471a6/ Can anyone help me with this problem? Thanks!

event receiver to update created field of uploaded document

Hi,   I need to update the created column with the document creation time . 1) First should i use ItemAdding event or Item Added event 2) how do i get the file created properties and assign it to the cdocument library created column.
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