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• Asp.net, directly assigning properties from value?

  - by Justin Alexander

  Is there a way to express <% objControl.ObjProp=ObjVar; %> <my:Control ID="objControl" runat="server" /> As something like this, in one line? And without passing ObjVar as a string? <my:Control ID="objControl" runat="server" ObjProp=ObjVar />

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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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• Is there an R equivalent of the pythonic "if __name__ == "__main__": main()" ?

  - by gappy

  The title says it all. The objective is to have two simple ways to source some code, say func.R, containing a function. Calling R CMD BATCH func.R initializes the function and evaluates is. Within a session, issuing source("func.R") simply initializes the function. Any idea?

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• add image and string in gridview

  - by RV

  hi i have gridview control in that control i need to add and image in a cell how to do it in c#..... please help me thanks in advance....

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• LoadControl - from string variable

  - by creo

  If e.g. I keep control markup in DB instead of ascx file. How can I load control from string constant? (of course if I don't want to save copy to disk)

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• Persisting dynamically loaded user controls in view state.

  - by User_003

  I am dynamically loading user control in Button Click event, since these user controls are dynamically loaded I have to recreate all previous user controls as well per click. My user control just has two textboxes for now, but I am not able to persist my inputs across postbacks. My ids are same everytime. I have enableViewstate ="true" in all controls all up to page level. Please adivce.

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• How can I allow Drag and Drop from Windows Explorer into a C# WPF application?

  - by Seabass__

  I know there have been tons of answers on this subject, but I still cannot get it to work at all. I've enabled AllowDrop on every control at every level of the application, and tried to catch DragEnter and Drop on every control to no avail. I can drag and drop items inside the application, but any time I try to bring something in from Windows Explorer or the desktop, etc. it gives me the No icon. Any ideas what I might be doing wrong?

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• Is there any way static block is executed more than once? if so then how?

  - by learner

  My Understanding Static block is executed during class loading, If a class is already loaded then there is no way to load the class other than class reloading Doubt/Question 1) Is there any time JVM reloads the class? My Understanding In Class Loading JVM loads source of the Java file, so it can not keep all thousands files source is a memory, it should discard the rarely used code and reload again when it is necessary and during reload JVM is not initializing static variables and locks again(may be using some tracking mechanism) Doubt/Question 2) If my above understanding is incorrect then please correct me

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• Is there a way to set LineHeight in a Silverlight 4 RichTextBox?

  - by benrick

  The TextBlock control has LineHeight. Does anyone know a good way to set LineHeight in the RichTextBox Control in Silverlight 4?

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• Binding Enum[] to ListBox

  - by Polaris

  Hello. I have next enumeration Enum rcCategory { Incoming, Internal, Outgoing } and I have property "categories" in my class which has rcCategory[] type. I would like to bind this property to the listBox. I use next code for this MyListBox.SetBinding (ListBox.ItemsSource, new Binding {Source= myClass.categories}); But this code doesnt work as expected. How Can I do this. My listBox always is empty but source property has value

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• Start javascript from asp.net page

  - by CruelIO

  Hi I have a usercontrol which includes some JavaScript, if I add the control to a standard web page I can start the JavaScript in the body tag, like this <body onLoad="Start()"> The problem is that I need to add the control to a webpage which is inside a masterpage, how do I then start the script when a page inside a masterpage doesn't have a body tag.

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• Using LINQ, how do you get all label controls.

  - by John

  I want to get a collection of all label controls that are part of a user control. I have the following code: var labelControls = from Control ctl in this.Controls where ctl.GetType() == typeof(Label) select ctl; but the result is zero results. Please assist. Thanks.

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• Why does this eval not work in Ruby

  - by Anil

  Can you explain this? I want to eval values and calculations from two different sources. One source gives me the following info(programmatically): 'a = 2' The second source gives me this expression to evaluate: 'a + 3' This works: a = 2 eval 'a + 3' This also works: eval 'a = 2; a + 3' But what I really need is this, and it doesn't work: eval 'a = 2' eval 'a + 3' I would like to understand the difference, and how can I make the last option work. Thanks for your help.

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• Im getting a data binding error when trying to embed flash into Flex 3

  - by Adam

  My script is: [Bindable] [Embed(source="loader.swf")] public static var Icon:Class; and my mx is: <mx:Image source="{Icon}" y="125" x="0"/> It works but when I try to export it it won't because of: Data binding will not be able to detect assignments to "Icon" What am I doing wrong?

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• Canvas total width (visible width + hidden scrollable part)

  - by Leeron

  It's probably a no brainer, but I've spent the last 40 minutes or so looking for it to no avial. I have a Canvas control with a fixed width and a horizontal scrollbar. I'm trying to find the actual width of the control. The .width (fixed width) + the part being reviled by the scrollbar. I tried explicitWidth, width + maxHorizontalScrollPosition, and some other combos but non of them hit the spot.

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• Getting the "unmodified" HTML document from Javascript

  - by chris_l

  Is it possible to get the source of the current HTML document, exactly as it was loaded, in text form? (i.e. not the "Generated source" after parsing and DOM manipulation.) Note: Issuing an extra AJAX request to retrieve the HTML page again is not an option in this case: The document could have changed.

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• Popup position and the right side of the screen

  - by zachary

  I have a pop up that is associated with a control on the screen. If the control is to far to the right of the screen the pop up appears off the screen. What is the best way to adjust for edge of screen conditions?

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• How to pass Button.Click into a function?

  - by Achilles

  I have a function that adds eventhandlers to control events. Right now I have several overloads that add events to different types of controls: Public Sub AddEventHandler(Button, ButtonEvent) 'adds event handling for Button.Click public Sub AddEventHandler(LinkButton, ButtonEvent)'adds event handling for LinkButton.Click The problem is I want to write a function that is more robust like: Public sub AddEventHandler(Control, EventToHandle, ControlEvent) where EventToHandle is the parameter representing Button.Click or whatever event that Button has associated with it. Any suggestions guys? Thanks!

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• What library should I use for financial product pricing?

  - by watkins

  I work in software division of a large bank and we are considering writing our own financial library. However, before we embark in such a project, I want to check that there is no such library on the market. We would need to have the following feature: Pricing of derivative products (options, futures, swaps, etc) Different financial models Hedging / risk management Open source would be great if it's stable. Otherwise, we would purchase the source code. We are looking for C#/.NET.

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• How can I find places where tabs are used in a commit range?

  - by Mike

  I am contributing code to an open source project which requires that no tabs exist in source code(only spaces). I am sure I have used tabs accidentally in some places, and want to clean up my code before I submit a patch. How can I find uses of tabs in a commit range?

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• overriding listbox RenderEndTag method

  - by scatman

  i am trying to extend the listbox control. i tried to override the RenderEndTag and everything worked well. but when i try to use the contorl in a Web User Control, the code inside the RenderEndTag is not executed. any help?

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• Issue in event.PreventDefault()

  - by Prathiba

  I'm using twitter bootstrap in my application. i gave e.preventDefault for link button in $(document).reday(), but it is not working. Here is my code: Master page: <a id="lnkLogout" href="javascript:void(0);" onclick="PageLogout();"><i class="icon-off"> </i>Logout</a> <script type="text/javascript" language="javascript"> $(document).ready(function () { $('#lnkLogout').click(function (e) { e.preventDefault(); }); }); function PageLogout() { //Code for logout from the application.... } </script> SampleDefaultPage.aspx : <div class="row-fluid"> <div class="form-horizontal"> <h4 class="header blue bolder smaller"> Contact</h4> <div class="control-group"> <label for="form-field-email" class="control-label"> Email</label> <div class="controls"> <input type="text" style="width:200px;" data-val="true" data-val-required="Mobile Number is required." id="txtEmail"> <div class="space-3"> </div> <span data-valmsg-replace="true" data-valmsg-for="txtEmail" class="field-validation-valid text-warning red"></span> </div> </div> <div class="control-group"> <label for="form-field-website" class="control-label"> Phone Number</label> <div class="controls"> <input type="text" style="width:200px;" id="txtPhno"> </div> </div> </div> I have given txtEmail as mandatory field. if i left that field blank and click on Logout button in Master page, it says txtEmail is required. i dint do any validation in Logout onclick event. I have given preventDefault for Logout link. But still facing an issue. I should be able to logout even though txtEmail is left blank. Thank you all in advance for your response.

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• Usercontrol and Border Style

  - by Ram

  Hi, I have created a user control ( custom data grid view control). I have used the code specified at MSDN [site][1] [1]: http://support.microsoft.com/kb/316574 to set the border style . I am able to see the selected border style in designer. Like None, FixedSingle or Fixed3D. But when I set the border style to FixedSingle, the border does not appear at runtime. Do I need to draw it manually in the OnPaint method?

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• How do you implement the Decorator pattern if you can't inherit from the class you want to decorate?

  - by Lennie

  Hi, This is more a design question... You can't do a decorate design pattern if: 1) The object is marked "sealed" meaning you can't extend from it. 2) or you want to override a method but its not virtual. What can you do then? Taken that you can't change the class source code if you don't have the source code (like a 3rd party library).

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• Finding Links on a Webpage with Java

  - by alan

  Using Java have the source code of a webpage stored in a string. I want to extract all the urls in the source code and output them. I am awful with regex and the like and have no idea how to even approach this. Any help would be greatly appreciated.

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