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  • How elevate and get admin rights on-demand in a .NET application?

    - by sashaeve
    I have an .NET application which is run with default rights as the current user, then at some point I need to perform an action which requires admin rights. How can I get admin rights on-demand in a .NET application? Requiring that the application is run with admin rights from the beginning is not appropriate as it may be that such action may not be called.

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  • How can i access to smartcard from ASP.NET site?

    - by Grassino87
    Hi, i need to comunicate with a smartcard from an ASP.NET site. I've create a dll(using Winscard.dll and MCSCM.dll that is the SCM Micro Reader's dll) that work with the cardreader on windows but i'm not able to use it with ASP.NET. The project will run only on IE and i must avoid Javascript. Thank you for the help.

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  • Flex and .NET - What's a good way to get data into Flex, WebORB? Web Services?

    - by JC Grubbs
    Ok, I asked a question earlier about Flex and ADO.NET Data Services but didn't get much response so I thought I'd rephrase. Does anyone have any experience building Adobe Flex applications with a .NET back-end? If so, what architecture did you use and what third-party tools if any did you employ. I've read a little about doing Flex remoting with WebORB but it seems more complicated than it should be, are web services an adequate alternative?

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  • how can we check file types before uploading them in asp.net?

    - by LostLord
    how can we check file types (formats such as jpg) without using file extensions before -uploading them- in asp.net with c# ? i am using vs 2008 + asp.net + c# + TELERIK Controls (RadUpload) ========================================================================================= imagine that some body change the text file extension to jpg and select it in a upload conrol such as radupload ... how can we recognize that this file is truely jpg or not?

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  • how to get varchar as byte[] using DataReader in Ado.Net?

    - by Krishna
    how to get varchar as byte[] data using DataReader in Ado.Net? We have tried the following code. if (!objDataReader.IsDBNull(i)) { long len = objDataReader.GetBytes(i, 0, null, 0, 0); byte[] buffer = new byte[len]; objDataReader.GetBytes(i, 0, buffer, 0, (int)len); } But the above code gives the error ("Unable to cast object of type 'System.String' to type 'System.Byte[]'.")

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  • Can Visual Studio 2010 Test .net 3.5 SP1 Projects?

    - by Michael Stum
    I have some projects in a solution that are running on .net 3.5 SP1 (and can never ever be updated to 4.0 as they are SharePoint projects). When I try to create a new Visual C# Test Project in VS2010 Premium, I have to choose .net 4.0 which is apparently intended. Now I don't care about what my Unit Test project is (don't have to care about VS2008 users), but I do care if I can safely test 3.5 Projects in it due to the different CLRs and slight C# language differences?

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  • how to create a system-wide independent universal counter object primarily for Database keys?

    - by andora
    I would like to create/use a system-wide independent universal 'counter object' that can be called via COM in a thread-safe manner. The counter object will be passed an ID to identify which counter to return, handle the counting, 'persist' the count (occasionally), have reasonable performance (as fast as possible) perhaps capable of 1000 counts per second or better (1mS) and be accessible cross-process/out-of-process. The current count status must be persisted between object restarts/shutdowns. The counter object is liklely to be a 'singleton' type object implemented in some form of free-threaded dictionary, containing maybe 10 counters (perhaps 50 max). The count needs to be monotonic and consistent, (ie: guaranteed unique sequential values). Each counter should have a few methods, like reset, inc, dec, set, clear, remove. As a luxury, I would like to have a variable-increment (ie: 'step by' value). To support thread-safefty, perhaps some sorm of critical-section or mutex call. It just needs to return a long/4byte signed integer. I really want something that can be called from anywhere, including VBScript, so I figure COM is my preferred solution. The primary use of this is for database keys. I am unable to use autoinc or guid type keys and have ruled out database-generated counting systems at this point. I've spent days researching this and I have really struggled to find a solution. The best I can find is a free-threaded dictionary object that can be instantiated using COM+ from Motobit - it seems to offer all the 'basics' and I guess I could create some form of wrapper for this. So, here are my questions: Does such a 'general purpose counter-object already exist? Can you direct me to it? (MS did do an IIS/ASP object called 'MSWC.Counter' but this isn't 'cross-process'/ out-of-process component and isn't thread-safe. (but if it was, it would do!) What is the best way of creating such a Component? (I'd prefer VB6 right-now, [don't ask!] but can do in VB.NET2005 if I had to). I don't have the skills/knowledge/tools to use anything else. I am desparate for a workable solution. I need specific guidance! If anybody can code something up for me I am prepared to pay for it.

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  • How to detect Windows 64 bit platform with .net?

    - by Marc
    In a .net 2.0 C# application I use the following code to detect the operating system platform: string os_platform = System.Environment.OSVersion.Platform.ToString();<br/> This returns "Win32NT". The problem is that it returns "Win32NT" even when running on Windows Vista 64bit. Is there any other method to know the correct platform (32 or 64bit)? Note that it should also detect 64bit when run as 32bit app on Windows 64bit.

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  • How to force Json.Net to put an integer value into a string field?

    - by Earlz
    Hello, in using Json.Net I have a class like this class Foo{ public string name; public string value; } and I have a JSON string that looks like this: [{"name": "some name","value": "1"}] The problem with this is that Json.Net detects "1" as being an integer(due to ambiguities with JSON) and will refuse to put it into the string value of Foo How can I override this behavior so that it will put the string "1" into value?

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  • Could the Print document ive built in .net cause a UriFormatException?

    - by Smoka
    After adding Print Document, Dialog, and Button to my Forms app i now have UriFormatException and A first chance exception of type 'System.ComponentModel.Win32Exception' occurred in System.Drawing.dll Additional information: Access is denied Is there something wrong with the strings in my Document? Preview looks fine. but unhandled exception's when it tries to print.

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  • Is there a built-in .NET method for getting all of the properties and values for an object?

    - by Ben McCormack
    Let's say I have: public class Item { public string SKU {get; set; } public string Description {get; set; } } .... Is there a built-in method in .NET that will let me get the properties and values for variable i of type Item that might look like this: {SKU: "123-4556", Description: "Millennial Radio Classic"} I know that .ToString() can be overloaded to provide this functionaility, but I couldn't remember if this was already provided in .NET.

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  • How to integrate cardinalcommerce authentication processing in a flash and Asp.net project?

    - by Krishnan
    Our Asp.net//Flash team doing a shopping cart project. We are integrating First Data Alternative payment gateway. Shopping cart items are selected through flash and our asp.net team taking the data from flash and integrating the first data alternative payment. We have already integrated first data payment gateway. Now we want to integrate First Data Alternative payment gateway. Please help our team to do so

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  • Git/SVN for asp.net development instead of VSS?

    - by jrutter
    At work, we are using ASP.net 2.0 and VSS. VSS is a beast, we are continually having issues with people checking out files and there is no branching - makes it crazy. I know SVN/GIT is mainly used by open source developers, are there any downsides to ASP.NET developers using it? I have been pushing for SVN internally, but am thinking GIT might also be a great option. Our team is spread across 3 continents.

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  • How to make WebKit or IE call your application (.NET) from HTML page opened in browser?

    - by Ole Jak
    I have a .NET application running on windows. I want clicking on some page element (button link flash app etc) to lunch my app with some special parameters. (It should run not just in IE but on WebKit based windows browsers too) During App install we suppose that user is Admin and is running Vista or Windows 7 or Later. So my question is - Where to get examples of such interaction (WITH source of course)? So how to make WebKit based Browser or IE call your .Net application?

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