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  • How to create DataSource dependency property on a wpf User Control

    - by Michael Hedgpeth
    I have a user control that wraps a grid. I want to be able to set the underlying grid's data source, but through the user control, like this: <my:CustomGrid DataSource="{Binding Path=CollectionView}" /> I have set this up in the grid like this: private static readonly DependencyProperty DataSourceProperty = DependencyProperty.Register("DataSource", typeof(IEnumerable), typeof(CustomGrid)); public IEnumerable DataSource { get { return (IEnumerable)GetValue(DataSourceProperty); } set { SetValue(DataSourceProperty, value); underlyingGrid.DataSource = value; } } But this doesn't work (it doesn't give me an error either). The data source is never set. What am I missing?

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  • Bind web user control property in markup

    - by Ian Levy
    I'm sure it's elementary but I can't figure it out. This does not work - the the binding expression is passed as string to the control: {<uc:usercontrol runtat="server" message='<%#Me.protectedVariable%>'/>} The code behind include a Page.Databind() call in page_load. But this does work: <uc:usercontrol runat="server" id="usercontrol1"/> And in code behind page_load: usercontrol1.message = Me.protectedVariable Do I have to bind from the code-behind? Is this a page life cycle issue?

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  • Air/Flex concatenating a variable with a property

    - by Deyon
    I have three text boxes on the stage id=red, blue, green same as the keys in my cars Object/Array public function carsToBox():void { var cars:Object={red:"300zx",blue:"Skyline",green:"Supra"}; for(var tempObj:String in cars) { tempObj.text= cars[tempObj];//this trows errors } } So I'm thinking "tempObj.text" would equal red.text but I can't stick "tempObj" with ".text" is there a way this can be done?

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  • jQuery .height() property not working

    - by Andrew
    I'm attempting to get the height of an element using jQuery, but am receiving some unexpected results. Here's the code: $(function() { var contentheight = $('#subpage-content-small').height; alert(contentheight); }); Where #subpage-content-small has these CSS properties: #subpage-content-small { width: 400px; float: left; margin: 30px 10px 0 0; padding-bottom: 45px; } What I'm getting as an output for my alert is the following: function (f) { var e = this[0]; if (!e) { return f == null ? null : this; } if (c.isFunction(f)) { return this.each(function (j) {var i = c(this);i[d](f.call(this, j, i[d]()));}); } return "scrollTo" in e && e.document ? e.document.compatMode === "CSS1Compat" && e.document.documentElement["client" + b] || e.document.body["client" + b] : e.nodeType === 9 ? Math.max(e.documentElement["client" + b], e.body["scroll" + b], e.documentElement["scroll" + b], e.body["offset" + b], e.documentElement["offset" + b]) : f === w ? c.css(e, d) : this.css(d, typeof f === "string" ? f : f + "px"); } Any idea why I'm getting this as opposed to an integer of the height? Thanks in advance!

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  • Filtering NSMutableArray based on enum property

    - by Marty
    I've got an NSMutableArray filled with objects of type "GameObject". GameObject has a number of properties, one of which being "gameObjectType" . "gameObjectType" is of type GameObjectTypeEnum. I want to be able to filter this NSMutableArray so only GameObjects of a certain type are returned. I've got the following in place, but it's giving me a "BAD ACCESS" error: NSPredicate *predicate = [NSPredicate predicateWithFormat:@"gameObjectType = %@", gameObjectType]; return [gameObjects filteredArrayUsingPredicate:predicate]; Is it possible to pass a "custom" type (ie, this enum I've defined) into the predicateWithFormat call?

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  • Using anchor property with dynamically added controls

    - by tcube
    I'm adding some textboxes to a form dynamically at runtime. Everything works fine i.e. the textboxes are aligned, anchored and automatically resizes until the form is maximized. On maximizing the form, the textboxes are added to the same location while the form was not maximized. This causes a misalignment of the textboxes. How can I ensure that all the textboxes are at the same location and of the same size both while the windowstate is normal as well as maximized? EDIT: Btw I'm using C# EDIT: Would a flowlayoutpanel be useful here?

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  • asp.net C# variable as Image1.ImageUrl property

    - by ModS
    I would like to Click "buttonImage1" and have that store "photos/Image1.jpg" into a var called Photo. then have ButtonImage2.ImageUrl = (Photo). I am using an UpdatePanel to refresh the area with the images so the only problem is actually setting the variable correctly and then using it correctly. Reworded: how can I store a path to an image in a variable then set it correctly as a image's URL path? protected void Button2_Click(object sender, ImageClickEventArgs e) { Evt = ("~/events/ev2.jpg"); } protected void Image2_Click(object sender, ImageClickEventArgs e) { Image1.ImageUrl = (Evt); }

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  • Which one is better to have auto-implemented property with private setter or private field and property just getter?

    - by PLB
    My question may be a part of an old topic - "properties vs fields". I have situation where variable is read-only for outside class but needs to modified inside a class. I can approach it in 2 ways: First: private Type m_Field; public Type MyProperty { get { return m_Field; } } Second: public Type MyProperty { get; private set; } After reading several articles (that mostly covered benefits of using public properties instead of public fields) I did not get idea if the second method has some advantage over the first one but writing less code. I am interested which one will be better practice to use in projects (and why) or it's just a personal choice. Maybe this question does not belong to SO so I apologize in advance.

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  • Change url property of .sitemap

    - by user555209
    Hello I have multiple .sitemap xml defined with different providers. For one xml file, I want to change the url (append Customerid in the url) by taking the existing url in xml file. I want this to be changed when the page is loaded the first time. For eg one of my node is And I want to make it as I have read many articles online talking about changing node in memory but cant make it work. Any help would be appreciated. Not working with breadcrumbs or sitemapPath control.

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  • C# stop property change at runtime

    - by petebob796
    I have been trying to build a user control with some custom properties set in the designer. However the control involves some interop code and settings which shouldn't be adjusted at runtime. Is there a way to stop the values being changed after they have been initially set by the designer code?

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  • Chrome not displaying Class set by jQuery or a Direct CSS property

    - by user186128
    This might seem like a bit of a design/css question but i really need some help. This is the page http://library.permilia.com/Gavin/version2.0_beta/lead.html It works on every browsers imaginable except chrome. By it works i mean it applies a class .error that sets the borders to 1px solid #f00 which is a red border. In chrome for some reason you cannot change it no matter what! Anybody got any ideas?

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  • How to pass a property to an event with a Button

    - by Tam
    I'm generating buttons dynamically that I want it to call a method like this: private function fetchTheDay(day:String):void { ... } But I wasn't sure how to make the button pass the string to it button.addEventListener(MouseEvent.CLICK,fetchTheDay); buttonVGroup.addElement(button); trying to do something like this didn't work: button.addEventListener(MouseEvent.CLICK,fetchTheDay(myString)); How should I do this?

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  • Treeview remove property problem

    - by curiosity
    Hi, i added a SampleNode to the treeview. if i remove any node from SampleNode, like, TreeNode[] nodes = this.SampleNode.Nodes.Find(node.Text, true); if (nodes.Length > 0) { int j = nodes[0].Index; if (nodes.Length > 0) this.SampleNode.Nodes[j].Remove(); } it is deleted in treeview but not in SampleNode. Why does this happens? what is the solution?

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  • alpha property problem in swf file.

    - by sabuj
    i made a button & i used a on click event on this. So it can show some images. but after that when i click on another button for showing some text the images still upon there. Images hide the text. what will be the solution ?

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  • Distinct by property of class by linq

    - by phenevo
    I have a collection: List<Car> cars=new List<Car> Cars are uniquely identified by CarCode. I have three cars in the collection, and two with identical CarCodes. How can I use LINQ to convert this collection to Cars with unique CarCodes?

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  • ordering by a property on a joined table linq to sql

    - by Gazeth
    I have the following linq query from o in context.Opportunities join i in context.Interactions on o.OpportunityID equals i.OpportunityID into ints from i in ints.DefaultIfEmpty() orderby i.StatusID descending, o.StatusID descending select o Now i want to then do a distinct on the opportunities table but doing so removes my orderby. I know that you can do Distinct().OrderBy but how do i get a reference to the interactions table that was joined when I'm only selecting the opportunity entity?

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  • Qt script get text property

    - by user350668
    Hi all, I'm trying to access the text of a QLabel using Qt script. Here is what I have: var mystring; var mylabel = objectFromPath("...someWindow::Label"); mystring = mylabel.text; // then do something with mystring This doesn't work and I don't know what I'm doing wrong. Any help would be appreciated. thanks

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  • Grouping by property value and writing group members

    - by Will S
    I need to group the following list by the department value but am having trouble with the LINQ syntax. Here's my list of objects: var people = new List<Person> { new Person { name = "John", department = new List<fields> {new fields { name = "department", value = "IT"}}}, new Person { name = "Sally", department = new List<fields> {new fields { name = "department", value = "IT"}}}, new Person { name = "Bob", department = new List<fields> {new fields { name = "department", value = "Finance"}}}, new Person { name = "Wanda", department = new List<fields> {new fields { name = "department", value = "Finance"}}}, }; I've toyed around with grouping. This is as far as I've got: var query = from p in people from field in p.department where field.name == "department" group p by field.value into departments select new { Department = departments.Key, Name = departments }; So can iterate over the groups, but not sure how to list the Person names - foreach (var department in query) { Console.WriteLine("Department: {0}", department.Department); foreach (var foo in department.Department) { // ?? } } Any ideas on what to do better or how to list the names of the relevant departments?

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  • Error - Trying to get property of non-object

    - by Patrick Lanfranco
    I am currently getting this error on one of my files: /var/www/vhosts/httpdocs/generator/index.php on line 6 Line 6 would be resulting in: echo $results->GetBookCodesResult->BookCodes->BookInfo->ServiceCode; My code: <?php $config['soap_url'] = "http://myservice.com?WSDL"; if(isset($_REQUEST['codes'])) { $results = request_Data(explode("\n",$_REQUEST['codes'])); echo $results->GetBookCodesResult->BookCodes->BookInfo->ServiceCode; } .... What is the best method to have this fixed? Some advice would be appreciated.

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