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• Get Excel.Application object from Process or hwnd in .NET

  - by Abiel

  In C# I am trying to get an instance of an Excel.Application object from a Process object. This seems like it should be really simple yet I cannot figure it out and cannot find an example. To repeat, I have a System.Diagnostics.Process object that I know refers to a running Excel instance. I now need to recover a Microsoft.Office.Interop.Excel.Application object that refers to the process so that I can go about manipulating the Excel application from C#. In case it makes it any simpler, I also have the HWND id and window text associated with the active Excel window. Thanks.

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• What are the typical reasons Javascript developed on Firefox fails on IE?

  - by karlthorwald

  I developed some javascript enhanced pages that run fine on recent Firefox and Safari. I missed to check in Internet Explorer, and now I find the pages don't work on IE 6 and 7 (so far). The scripts are somehow not executed, the pages show as if javascript wasn't there, although some javascript is executed. I am using own libraries with dom manipulation, from YUI 2 I use YUI-Loader and the XML-Http-Request, and on one page I use "psupload", which depends on JQuery. I am installing Microsoft Script Editor from Office XP and will now debug. I will also write specific tests now. What are the typical failing points of IE? What direction I can keep my eyes open. I found this page, which shows some differences: http://www.quirksmode.org/compatibility.html Can you from your experience name some typical things I should look for first? I will also ask more questions here for specific tasks later, but for now I am interested in your experience why IE usually fails on scripts that run fine in Firefox

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• What would be the wisest choice for a new .Net RESTful web service?

  - by Phil.Wheeler

  I want to write my first REST web service using the .Net framework. I've seen fairly passionate comments from various people about which is best and have even found some differing comments from Microsoft. My web service should be fairly simple: I want to expose bus timetable information. I figure the resources I will be concerned about are Fares Timetables (routes, stops) What would be the most appropriate (i.e. not necessarily the easiest, most fun or your personal preference) technology to use out of WCF, ADO.NET Data Services or ASP.Net MVC?

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• [C#] How to consume web service adheres to the Event-based Asynchronous Pattern?

  - by codemonkie

  I am following the example from http://msdn.microsoft.com/en-us/library/8wy069k1.aspx to consume a web service implemented (by 3rd party) using the Event-based Asynchronous Pattern. However, my program needs to do multiple calls to the DoStuffAsync() hence will get back as many DoStuffCompleted. I chose the overload which takes an extra parameter - Object userState to distinguish them. My first question is: Is it valid to cast a GUID to Object as below, where GUID is used to generate unique taskID? Object userState = Guid.NewGuid(); Secondly, do I need to spawn off a new thread for each DoStuffAsync() call, since I am calling it multiple times? Also, would be nice to have some online examples or tutorials on this subject. (I've been googling for it the whole day and didn't get much back) Many thanks

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• Accessing HttpRequest from Global.asax via a page

  - by Polymorphix

  I'm trying to get a property (ImpersonatePersonId) from a page in global.asax but get a HttpException saying 'Request is not available in this context'. I've been searching for some documentation on where in the pipeline the request is accessible, but as far as I can see all Microsoft can produce of documentation is one-liners like "PostRequestHandlerExecute: Occurs when the ASP.NET event handler finishes execution." which really doesn't give me much... I've tried placing the call in both Pre and PostRequestHandlerExceute but with the same result. I wonder if anyone with experience in this would be so kind as to tell me where the Request object is available. My code from global asax is below. ICanImpersonate page = HttpContext.Current.Handler as ICanImpersonate; ImpersonatedUser impersonatePerson = page != null ? page.ImpersonatePersonId : null; Response.Filter = new TagRewriter(Response, new TagProcessor(Context, impersonatePerson).Process); What I want to do is rewrite some HTML based on some request parameters.

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• Declare 2 types inside using statement gives compile error?

  - by citronas

  I want to use this line of code: using (ADataContext _dc = new ADataContext(ConnectionString), BDataContext _dc2 = new BrDataContext(ConnectionString)){ // ...} This gives a compile error: Cannot use more than one type in a for, using, fixed or declartion statement. I thought this was possible? MSDN says it is: http://msdn.microsoft.com/en-us/library/yh598w02%28VS.80%29.aspx In the MSDN sample code Font is used, which is class and thereby a reference type as well as my two DataContext classes. What went wrong here? How does my attempt differ from the MSDN sample?

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• parser error in aspx page(.net 2.0) after converting from website to web application

  - by persistence911

  I have a website I recently converted from website to web application Project . When I compile It compiles Successfuly but when I run the code I get this error Parser Error Message: Could not load type 'DApplause.Logon'. Source Error: Line 1: <%@ Page Language="vb" AutoEventWireup="true" CodeBehind ="Logon.aspx.vb" inherits="DApplause.Logon"%> Line 2: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> Line 3: <HTML> Source File: /Shared/LogOn.aspx Line: 1 -------------------------------------------------------------------------------- Version Information: Microsoft .NET Framework Version:2.0.50727.3053; ASP.NET Version:2.0.50727.3053 I have tried to resolve this error for like a day now. I am currently running with the internal web server of VS 2005 sp1. I have the Sain.dll in my bin folder cuase the assembly name use is sain and Root Namespace is DApplause . Please I need urgent help.

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• Opening Large (24 GB) File In C

  - by zacaj

  I'm trying to read in a 24 GB XML file in C, but it won't work. I'm printing out the current position using ftell() as I read it in, but once it gets to a big enough number, it goes back to a small number and starts over, never even getting 20% through the file. I assume this is a problem with the range of the variable that's used to store the position (long), which can go up to about 4,000,000,000 according to http://msdn.microsoft.com/en-us/library/s3f49ktz%28VS.80%29.aspx, while my file is 25,000,000,000 bytes in size. A long long should work, but how would I change what my compiler(Cygwin/mingw32) uses or get it to have fopen64?

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• System.Uri("") in default browser?

  - by Hallgaws

  I am using special program where it loads some url imagine it like window with automatically load www.google.com - program starts and it load the site - BUT when you click on some links in the program window it opens in default browser - how it can be opened in default browser - I am using this code: <Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _ Partial Class Form1 Inherits System.Windows.Forms.Form <System.Diagnostics.DebuggerNonUserCode()> _ Protected Overrides Sub Dispose(ByVal disposing As Boolean) Try If disposing AndAlso components IsNot Nothing Then components.Dispose() End If Finally MyBase.Dispose(disposing) End Try End Sub Private components As System.ComponentModel.IContainer <System.Diagnostics.DebuggerStepThrough()> _ Private Sub InitializeComponent() Me.components = New System.ComponentModel.Container Dim resources As System.ComponentModel.ComponentResourceManager = New System.ComponentModel.ComponentResourceManager(GetType(Form1)) Me.WB = New System.Windows.Forms.WebBrowser ..... ..... Me.WB.Url = New System.Uri("http://www.google.com/", System.UriKind.Absolute) Using Visual Basic 2008

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• vista bandwith reservation

  - by user185646

  I would like to write my own version of Microsoft Live labs pivot.http://www.getpivot.com/ For this i will use realtime texture streaming technology like John Carmack did for doom4. But i would like to use Windows vista SetFileBandwidthReservation api to have the best throughput possible. For example // reserve bandwidth of 200 bytes/sec result = SetFileBandwidthReservation( hFile, 1000, 200, FALSE, &transferSize, &outstandingRequests ); What i dont understand is the lpTransferSize and lpNumOutstandingRequests return parameters. How should i next read the file for this to be the most worth it. Should i do exactly lpNumOutstandingRequests number of request of size lpTransferSize. Or can i do one synchronous request bigger than lpTransferSize.

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• Good coding style to do case-select in XSLT

  - by Scud

  I want to have a page display A,B,C,D depending on the return value from XML value (1,2,3,4). My approaches are by javascript or XSLT:choose. I want to know which way is better, and why? Can I do this case-select in .cs code (good or bad)? Should I javascript code in XSLT? Can the community please advise? Thanks. Below are the code. Javascript way (this one works): <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:msxsl="urn:schemas-microsoft-com:xslt" xmlns:js="urn:custom-javascript"> <xsl:template match="page"> <msxsl:script language="JavaScript" implements-prefix="js"> <![CDATA[ function translateSkillLevel(level) { switch (level) { case 0: return "Level 1"; case 1: return "Level 2"; case 2: return "Level 3"; } return "unknown"; } ]]> </msxsl:script> <div id="skill"> <table border="0" cellpadding="1" cellspacing="1"> <tr> <th>Level</th> </tr> <xsl:for-each select="/page/Skill"> <tr> <td> <!-- difference here --> <script type="text/javascript"> document.write(translateSkillLevel(<xsl:value-of select="@level"/>)); </script> </td> </tr> </xsl:for-each> </table> </div> </xsl:template> </xsl:stylesheet> Javascript way (this one doesn't work, getting undefined js tag): <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:msxsl="urn:schemas-microsoft-com:xslt" xmlns:js="urn:custom-javascript"> <xsl:template match="page"> <msxsl:script language="JavaScript" implements-prefix="js"> <![CDATA[ function translateSkillLevel(level) { switch (level) { case 0: return "Level 1"; case 1: return "Level 2"; case 2: return "Level 3"; } return "unknown"; } ]]> </msxsl:script> <div id="skill"> <table border="0" cellpadding="1" cellspacing="1"> <tr> <th>Level</th> </tr> <xsl:for-each select="/page/Skill"> <tr> <td> <!-- difference here --> <xsl:value-of select="js:translateSkillLevel(string(@level))"/> </td> </tr> </xsl:for-each> </table> </div> </xsl:template> </xsl:stylesheet> XSLT way: <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> <xsl:template match="page"> <div id="skill"> <table border="0" cellpadding="1" cellspacing="1"> <tr> <th>Level</th> </tr> <xsl:for-each select="/page/Skill"> <tr> <td> <xsl:choose> <xsl:when test="@level = 0"> Level 1 </xsl:when> <xsl:when test="@level = 1"> Level 2 </xsl:when> <xsl:when test="@level = 2"> Level 3 </xsl:when> <xsl:otherwise> unknown </xsl:otherwisexsl:otherwise> </xsl:choose> </td> </tr> </xsl:for-each> </table> </div> </xsl:template> </xsl:stylesheet> EDIT: Also, I have some inline javascript functions for form submit. <input type="submit" onclick="javascript:document.forms[0].submit();return false;"/>

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• Hidden Features of Visual Studio (2005-2008)?

  - by shoosh

  VS is such a massively big product that even after years of working with it I sometimes stumble upon a new/better way to do things or things I didn't even know were possible. For instance- Crtl-R,Ctrl-W - show white spaces. essential for editing python build scripts. Under "HKEY_CURRENT_USER\Software\Microsoft\VisualStudio\8.0\Text Editor" Create a String called Guides with the value "RGB(255,0,0), 80" to have a red line at column 80 in the text editor. What other hidden features have you stumbled upon?

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• starting 64 Bit Windows Application Development

  - by user173438

  I intend to start writing a 64 Bit Scientific Computing Application (signal processing) for Windows using Microsoft Visual Studio 2008. What should I have ready as far as a development platform is concerned? How would it be different from 32 Bit development? What could be the porting issues for a 32 Bit version that I already have (ok - this might too early to ask.. even before I start compiling)? As you might have guessed, I am looking for general directions. All pointers would be much appreciated! :) Thanks in advance..

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• CF - CAB deployment

  - by no9

  Hello. I have followed this example http://msdn.microsoft.com/en-us/library/Aa446504 and it works fine. The cab is created and i can copy it on the device and install the app. What im missing is that on device the application is not present in Programs folder. All i can do is browse to its location in /program files and run it manualy. Can some1 tell me how to: install CAB so it makes a shortcut in programs on device run the application automaticly after it has been installed thanx !

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• WCF Caching Solution - Need Advice

  - by Brandon

  The company I work for is looking to implement a caching solution. We have several WCF Web Services hosted and we need to cache certain values that can be persisted and fetched regardless of a client's session to a service. I am looking at the following technologies: Caching Application Block 4.1 WCF TCP Service using HttpRuntime Caching Memcached Win32 and Client Microsoft AppFabric Caching Beta 2 Our test server is a Windows Server 2003 with IIS6, but our production server is Windows Server 2008, so any of the above options would work (except for AppFabric Caching on our test server). Does anyone have any experience with any of these? This caching solution will not be used to store a lot of data, but it will need to be fetched from frequently and fast. Thanks in advance.

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• Best cheap GUI for converting to f4v

  - by Ben

  Hi, I need to give one client the ability to convert some videos to f4v h264 before loading it up to an AIR app. I normally doing with the Adobe Media Encoder CS4 but that only ships with adobe products (you can't download it as a free standalone app - which, start rant is odd, you'd think they would push the format - Microsoft's competing expresssion encoder is free end rant) Anyway, I need to get a (hopefully not too expensive, but willing to pay for it) good 3rd part app that can take any video and convert it to an f4v. Can you suggest any? Everything i've found is horrible or jammed with ads and crap. What would you use? Any suggestion? (please don't just say ffmpeg - I know it can do it but we need to good simple GUI) Thanks!

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• document.getElementByID - checking whether an element has been found or not

  - by be here now

  Hi, guys. Here's a sample code, that opens an internet explorer window, navigates to google, and gets some element on the page by its unique id: set ie = CreateObject("InternetExplorer.Application") ie.navigate("www.google.com") ie.visible = true while ie.readystate <> 4 wscript.sleep 100 WEnd set some_object = ie.document.getelementbyid("xjsc") MsgBox some_object.tagname, 0 This sample brings me a DIV popup, which satisfies me completely. But at the next step I'd like to check whether some id exists in the page, or not. Unfortunately, I can't just be, like, set some_object = ie.document.getelementbyid("some_non_existant_id") if some_object.tagname = "" then ... because it gives me the following error: ie.vbs(12, 1) Microsoft VBScript runtime error: Object required: 'some_object' So, what's the best practice to check whether an element has been found or not?

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• "Thread-Safe Calls" with "Invoke" method to Winform control leads very heavy memory leak!!

  - by konnychen

  In the following link: "Make Thread-Safe Calls to Windows Forms Controls http://msdn.microsoft.com/en-us/library/ms171728.aspx" We can see an example which provide cross tread access to a winform control. But if the thread is in a while loop, it will cause the heavy memory leak. As I use taskmanage I can see the memory is increasing. Can anyone help me to solve the problem? oThread2 = new Thread(new ThreadStart(Cyclic_Call)); oThread2.Start(); delegate void SetText_lab_Statubar(string text); private void m_SetText_lab_Statubar(string text) { if (this.lab_Statubar.InvokeRequired) { SetText_lab_Statubar d = new SetText_lab_Statubar(m_SetText_lab_Statubar); this.Invoke(d, new object[] { text }); } else { this.lab_Statubar.Text = text; } } private void Cyclic_Call() { do { this.m_SetText_lab_Statubar("This string is set from thread"); Thread.Sleep(100); } while (!b_AbortThraed); }

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• MS Access Mark Duplicates in order of appearance - using the function RankOfDup: (SELECT Count(*) ...)

  - by veska stoyanova

  I'm trying to create Ranking that shows the sequence of agreements for the two fields Customers and Agreements. The number for agreements must be unique, whereas customers can repeat. The formula RankOfDup: (SELECT Count(*) FROM Data a WHERE a.customer=Data.customer And a.agreement >= Data.agreement) Works beautifully but after this query with columns Agreement, Customer and RankofDup, I need to create crosstab that transposes the RankofDub. It works when I make the table first and then create query but my data is too large so I'm trying to put the select query with the ranking in a crosstab query. However, when I try to do this Access gives error message that microsoft jet ... doesn't recognise Data.customer? Any ideas how I can fix this?

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• What Web design tool would make a good CityDesk replacement?

  - by Joshua Fox

  I am looking for a tool for building static template-based web sites, your typical brochure-ware for a non-profit or a personal site. I have used CityDesk, but that is out-of-date, unsupported, and has certain problems. Of course there are lots of tools out there, but I cannot find anything similar to CityDesk: WYSIWYG as well as HTML coding a templating system not overdesigned like, say, Dreamweaver built for developers who understand HTML/JS/CSS but easier to use than hand-coding of PHP, Ruby, or other templates in a text editor supporting the editing of pages by non-developers preferably free I'd also like it to be CSS-aware; and to have lots of free templates available. Or alternatively, static template-based sites are often developed nowadays on the Web using a CMS like Django; is that the way to go? Edit: Namo, DreamWeaver, NetObjects Fusion, Coffee Cup, Evrsoft First Page, and Microsoft Expression might be candidates. I'll appreciate comments on these based on the criteria above.

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• Custom Message Box: Windows' "Move Cursor to Default Button" Feature

  - by Andreas Rejbrand

  In Microsoft Windows, there is a (highly useful) feature that automatically moves the cursor to the default button of a modal dialog box (activated in Win+R, "control mouse"). Now I have created a custom dialog box in Delphi (basically a TForm), see below. But, quite naturally, the cursor does not automatically move to the default button ("Yes" in this case), even though the feature is turned on in "control mouse". How to implement this feature using Windows API? I guess it would be sufficient to obtain the settings as a boolean (true if feature activated, false if not), and then simply move the cursor programmatically using SetCursorPos if true. But how to obtain this setting?

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• Differnece between the IE6 and IE8 for Asp.net MVC

  - by kumar

  I am working on my Office PC I dont have, I dont not have Admin rights to download IE8 in my PC..currently I am working in asp.net mvc application with IE6 Browser..some of the things are not working in IE6 for my application, can any body explain me what is the Differnce between IE6 and IE8 for web application, is there any chance that if the web pages are not showing correctly in IE6 it wil show in IE8? Ex: I used Microsoft Charting Controls to dispaly Pie chart for my applciation. the pie chart displaying in Firefox but not in IE6 Ex: some of the checkbox check events not working in IE6 but its working with Firefox. what is the good way to test wihout instaling IE8 on my PC? is there any tools are there? any documents to refer these stuff..? thanks

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• Accessing a control in asp.net content page through Javascript

  - by rocksolid

  Hi, I have a form in my content page for which I am doing some client side validations via Javascript. The Javascript behaves as expected if I place the JS code directly in the content page. But if I place the JS code in it's own file and try accessing that from the content/master page (through the script tag's src attribute), I get a run time error when the validation function in JS being called. To be specific, I get the below error. Microsoft JScript runtime error: Objected expected/required at this line - document.getElementById('<%=txtemailId.ClientID %').value txtemailId is in the content page. Javascript code is placed in validation.js and accessed via master page. The reason I guess is that when .net is parsing the files, it is unable to substitute txtemailId.ClientID with the client side value that would be generated later on. So, how should one go about it? Thanks!

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• Overriding Page class constructor in ASP.NET code-behind file -- when is it called?

  - by CSharp Noob

  If I override the System.Web.UI.Page constructor, as shown, when does DoSomething() get called in terms of the page lifecycle? I can't seem to find this documented anywhere. namespace NameSpace1 { public partial class MyClass : System.Web.UI.Page { public MyClass() { DoSomething(); } protected void Page_Load(object sender, EventArgs e) { } } } For reference, here is the ASP.NET Page Lifecycle Overview: http://msdn.microsoft.com/en-us/library/ms178472.aspx Turns out the best answer was right in the MSDN article. I just had to look carefully at the diagram.

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• VB.NET 2.0 - StackOverflowException when using Thread Safe calls to Windows Forms Controls

  - by LamdaComplex

  I have a Windows Forms app that, unfortunately, must make calls to controls from a second thread. I've been using the thread-safe pattern described on the http://msdn.microsoft.com/en-us/library/ms171728.aspx. Which has worked great in the past. The specific problem I am having now: I have a WebBrowser control and I'm attempting to invoke the WebBrowser.Navigate() method using this Thread-Safe pattern and as a result I am getting StackOverflow exceptions. Here is the Thread-Safe Navigate method I've written. Private Delegate Sub NavigateControlCallback(ByRef wb As WebBrowser, ByVal url As String) Private Sub AsyncNavigate(ByRef wb As WebBrowser, ByVal URL As String) Try If wb.InvokeRequired Then Dim callback As New NavigateControlCallback(AddressOf AsyncNavigate) callback(wb, url) Else wb.Navigate(url) End If Catch ex As Exception End Try End Sub Is there a Thread-Safe way to interact with WinForms components without the side effect of these StackOverflowExceptions?

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