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


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

Grid's PreviewMouseRightButtonUp event handler not firing until I changed something...don't unders

Posted By:      Posted Date: October 14, 2010    Points: 0   Category :WPF
 

So to keep this brief, my heirarchy is: Window ->Canvas ->Listbox -> Grid (part of template for listbox) -> etc.

 

I wanted a draggable selection box so I did the fairly standard thing of rendering a square to the screen by using a drawing visual within a host class and then adding that drawing visual to the tree with the main helper methods. The PreviewMouseRightButtonUp event handler however, of my grid, was never being fired unless I just clicked without dragging. In other words, if I dragged on my grid to create my selection square, the PreviewMouseRightButtonUp event handler of the grid is never being fired. So, instead I associated this eventhandler with the PreviewMouseRightButtonUp event of my Visual host (which contains my square drawing visual) and the event fires.

Pretty much, the PreviewMouseRightButtonUp event never bubbles down the grid for some reason after I my drawing is rendered to the screen. Can anyone answer why or do you need to see source code?




View Complete Post


More Related Resource Links

Sharepoint Event Handler not firing

  
I have written an event handler for an ItemAdded eventfor a document library. I am trying to read an excel file being uploaded and extract a value from it which I write to a list column for the item. I have this working properly on my development machine which is a Windows Server 2003 machine.However, on a production Windows Server 2008 machine, the event handler never fires. I am doing a simple write to a log file to test and see if it runs at all even if the Excel parsing does not work but I get no indication that it ran. The event handler is being registered with a feature that I am deploying. I have verified that the event handler is registered to the library by using the u2u Event Handler Explorer tool.Is there any way I can determine if my event handlers are even executing? How can I debug this?

ItemAdded Event Handler not firing

  
Hi, I have created an ItemAdded Event handler that is linked to a content type. This event handler does certain custom validations and then sends Email to users. I have referenced this event handler in XML file as well but somehow the event handler is not getting fired...Following is the code.   Code Snippet            this.DisableEventFiring();            using (SPSite site = new SPSite(properties.SiteId))            {                 using (SPWeb web = site.OpenWeb())                {                    base.ItemAdding(properties);                     SPList nList = web.Lists["NList"];                    SPList IList = web.Lists["IList"];                     foreach (SPListItem listItem in nList.Items)                    {                        if (listItem["Topic"].ToString() == properties.ListItem["Topic"].ToString())                        {                            SPUser alertUser = (SPUser)(properties.ListItem["SUser"]);                            SPUtility.SendEmail(web, false, true,alertUser.Email,"New item added", "A new item has been added");                         }                    }                    this.EnableEventFiring();                }            }       The XML file is: Code Snippet  <XmlDocuments>      <XmlDocument NamespaceURI="http://schemas.microsoft.com/

Selection Changed event is not firing for listview

  

Hi,

     In my listview i have two columns, once is check box and another one is normal column. if i select in normal column, listview's selection changed event is fring, but when i select check box(This checkbox is inside the datatemplate) listview's selection changed event is not firing. Can any one tell me how i can achieve it. If you are not understand, please give your email id, i will send my sample application to you.

 

Regards

Udayakumar S


Button click event handler firing twice

  
I noticed today that button click event handlers are firing twice for me in some cases when the button is inside an UpdatePanel -- but only in Firefox.  I'm wondering if this might have to do with the Firefox 2.0.0.1 update that came out today because I never noticed this problem until today.  Has anyone else run into this problem?

Event handler firing for one site but not for another

  

Hi,

I have an event handler that is working just fine on a list in one site, but when I bind it to the other list in another site, it binds properly, but never fires. Any suggestion? 

 


Event Handler (send mail task) firing multiple times for each dataflow error - How can I stop the da

  

I've set up an OnError event handler for my package which sends an email containing the name of the file that fails import through my dataflow task. The problem is the dataflow experiences three errors (one for each task it is attempting to complete) which in turn causes three duplicate emails to be sent.

I'd prefer to stop the dataflow task completely rather than allow it to try to complete the remaining tasks after the first error. Is this possible? Alternately, how can I set up my event handler to only send one email regardless of the number of dataflow errors that occur?

Thanks in advance!


radio button checked changed event not firing with onclick javascript function

  

Hi,

I have used below code.

<asp:RadioButton GroupName="grpAssoc" ID="rbtEvery" runat="server" Text="Everyone"
                                                                                    onclick="return doChangeAssociationType(0);" AutoPostBack="True" oncheckedchanged="rbtEvery_CheckedChanged"
                                                                                     />


but oncheckedchanged="rbtEvery_CheckedChan

Creating Event Handler in Code behind

  

Hi, so I have a control that is created in the code behind and generates fine but I can't figure out how to create an event handler for it.  I've found plenty of examples for it in C sharp, but none of them seem to apply to VB.  What I want to do is essentially this:

myDropDownList.SelectedIndexChanged = "Event to do here"

but it doesn't seem to work for me.

Any suggestions are appreciated.



want to launch modal Popup from created User Event handler

  

hi,

 

I have a create user wizard on my page and in the event handler (Created User) I get extra information from the user

via textboxes within the aspx etc.

 

I then do a response.redirect to another page.

What I want to happen is this

 

When the CreatedUser Event is fired, I  want a Modal Popup to show up with a message Processing your registration.

once the registration code is processed it will close and the users get redirected.

 

On my ASPX I have the Modal PopUp and a Panel.

In the code behind in the handler I put ModalPop.show()

 

but this does not work.

 

thanks for any suggestions

 

 


Custom Grid View Header - Grid view Row Created event vs Gridview row databound events ?

  

Hi Gurus ,

It happened to add an extra Gridveiw Header in row_databound event , It did worked fine on !Postback but disappered on Page.Postback . Quick google search guided me to move the event to Row_Created event and every thing is okay .

Can any expert post some pointers , differnces between grid row_created vs row_databount with some sample table data created dynamically  behaviour of both the events in !Postback and page.Postback .

Thanks a tonne in Advance and  any inputs will be valued and appreciated .


InfoPath Workflow Task Form "Loading" event handler only being called after App Pool recycled.

  

I have a Workflow that is using an InfoPath task form.  In the "FormEvents_Loading" method event handler I have some code that needs to run each time the form is opened.   I recycle the App Pool and open the form the code runs perfectly, but if I close and try to re-open the form the code is not run at all.  I can then recycle the App Pool again and on the next load the code executes just fine.   The code that is supposed to be run is a very simple statement to set a field value, so I don't think it is interfering.

Does anyone know what this might be?

Thanks,
--Aaron


Event Handler Credentials

  

I made EH that checks out document when OOB Approval WF is finished successfully.

I want doc to be checked out by WF Initiator, but by default it is made by System Account.

How can i change Event Handler Account ?


Setting size of Grid Since Ajax Resizer Changed It

  

I'm sure that wasn't a very good subject, but I couldn't think of a better one. What I have is a page that has an UpdatePanel on it with a GridView control in it. It was originally displaying at a particular height and width according to the CSS style I have setup for it in my style sheet. However, since adding an AJAX Resizer control to the UpdatePanel, it is now defaulting to a much smaller size.

How do I get the grid to default to that same height and width that is in its CSS class? I don't mind putting it in the ASPX page or whatever, just need the grid to default to a larger size than the small little box it defaults to since adding the AJAX resizer. 


Pre_Init event handler problem

  

Hi all my friends

   I have to masterpages for my home page.

1. The first is for the annonymous users which has the login controls. its name is General_Anonymous.master.

2. The second one is for the logged in users which has a logout button and it hasn't the login controls in it. its name is General_LoggedIn.master.


in my default.aspx page I wrote the following code

protected void Page_PreInit(object sender, EventArgs e)
    {
       
            if (Session["SupId"] == null && Session["CustomerId"] == null)
            {
                this.MasterPageFile = "~/Masters/General_Anonymous.master";
            }
            else
            {
                this.MasterPageFile = "~/Masters/General_LoggedIn.master";
      &nbs

MouseUp event not firing on ActivityDesigner class?

  
I have a custom control derived from ActivityDesigner.  I'm basically retemplating the contol to give it a stylized look and feel ... I want to add the ability to change the Display Name by swapping out the TextBlock with a TextBox on MouseUP - but this event is not firing. I can handle the MouseDown event and it works OK, except it enters the Edit mode when dragging the activity around.  Is the MouseUp handled at the base level?  Is there a way to work around this? 

Event Handler & AD

  
My event handler is working fine until i add AD part. After this string it stops firing at all: DirectoryEntry dom = new DirectoryEntry(); I mean it compiles, deploys and doesnt react to anything ( Why ? PS VS2010, SP2010  

Infopath Changed Event code triggering in preview but not in web filler.

  
Hi there, I've written some code for a changed event hookup on a field in infopath 2010. The form is for submission to a sharepoint 2010 forms library. What the code does is fill in a specific value into a field depending on the selected value from a combo-box elsewhere on the form. When i preview this in Infopath 2010 it works perfectly but when i fill out the form through the web interface it simply does nothing. I've got another piece of code which executes on load and this works perfectly in both the preview and the web filler. What it does is just set the value of a field when the form loads. Here is the code, could someone tell me what i'm doing wrong? public void InternalStartup() { EventManager.XmlEvents["/my:myFields/my:service_level"].Changed += new XmlChangedEventHandler(service_level_Changed); EventManager.FormEvents.Loading += new LoadingEventHandler(FormEvents_Loading); } public void service_level_Changed(object sender, XmlEventArgs e) { // Write your code here to change the main data source. XPathNavigator xroot = MainDataSource.CreateNavigator(); XPathNavigator serviceLevel = xroot.SelectSingleNode("/my:myFields/my:service_level",NamespaceManager); XPathNavigator xest = xroot.SelectSingleNode("/my:myFields/my:est_cost", NamespaceManager); switch (serviceLevel.Value)
Categories: 
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