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• Writing a Virtual Printer in .NET

  - by David Osborn

  I'm looking to create a virtual printer that passes data to my .NET application. I want to then create an installer that installs both the printer and the .NET application. It would we really nice to be able to write it all in C#, but I have a feeling that this will require a printer driver to be written is unmanaged code. Does anyone know of a fairly clean tutorial or example of how to do this?

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• The .NET ProviderBase pattern

  - by Daniel Schaffer

  .NET's ProviderBase was established in the 2.0 release of the .NET Framework. Have there been any new features since then that supercede or improve on this pattern that should be used as an alternative?

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• Guidelines to write C# applications for .NET and mono

  - by FerranB

  Mono claims to be compatible with .NET. Have you tried it? Can you share any tips or guidelines for making a running .NET application compatible with mono?

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• Generating dynamic thumbnail of a PDF for ASP.NET

  - by Anjisan

  I've used a tool from Aspose (Aspose.PDF.kit) to generate a JPG thumbnail on the fly of a PDF for a .NET application. This works great, but what kind of other alternatives are there? Codeproject.com has this tutorial, but it requires you to have the full version of Acrobat. Is there an open source alternative that's geared for ASP.NET?

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• Need a sample code to use google calendar in asp.net

  - by Rajesh Rolen- DotNet Developer

  Please tell me how to use google calendar in asp.net. i needs a sample code for scheduling in google calendar using asp.net.

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• paypal payment integration from asp.net page

  - by kacalapy

  can anyone detail the particulars that are required to send data collected from a asp.net web page using vb.net that has a bunch of text boxes for first name, last name, address... item price, quantity, total price... to paypal for processing and settlement? i have never worked with paypal so i am assuming paypal will get this info and generate a bill to send the user. thanks in advance

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• Java Equivalent to .NET's DateTime.Parse?

  - by Superdumbell

  I'm working on a java class that I will use with Pervasive Data Profiler that needs to check if a Date String will work with .NET's DateTime.Parse. Is there an equivalent class or 3rd party library that can give me this functionality that is very close to .NET's DateTime.Parse?

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• code to set legacy mode in webconfig file through c#.net

  - by subash

  how to set the <xhtmlConformance mode="legacy"/> tag in web.config as "strict" using the codes in c#.net for an asp.net webaplication

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• Release notes for .net Builds using ndoc3

  - by user605097

  Actually i want to generate a release document for each and every builds so that developers can identify what is the difference between previous release and the new release example what are properties, method ,classes changed in previous build and new build in .net1.1,.net2.0,.net 3.5 builds so that developers can understand what are changes happened in there .net codes. Note : Iam using MSBuild on Nant script to compile dotnet solution. This is one of my longterm goal any people support will be a great thanks.

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• ASP.net Interview Question

  - by Amutha

  Recently i was asked (1) "How will you do performance optimization over your jQuery in ASP.net ?" (2) "How many script manager can we have in ASP.net Application?" why? (Ajax related). I have no ideas on both.Help me to grow.

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• Converting VB .NET code to C#

  - by Brono The Vibrator

  I have the follwing VB .NET code I am trying to convert to C# Dim decryptedBytes(CInt(encryptedStream.Length - 1)) As Byte I tried this: int tempData = Convert.ToInt32(encryptedStream.Length - 1); Byte decryptedBytes; decryptedBytes = decryptedBytes[tempData]; but got this error message: Cannot apply indexing with [] to an expression of type byte. Please note that the VB .NET code works.

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• .net equivalent of htmlunit?

  - by mike

  Does anybody know if there is a .net equivalent of htmlunit or similar library? I've heard that people have used IKVM to convert the htmlunit library. But I have also heard that the converted code is slow. Requirements: Headless browser Support javascript Handle cookies .Net

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• Mixing JQuery Ajax with ASP.NET : is there any security risk

  - by Sayem Ahmed

  I am using jQuery with ASP.NET in a project. Instead of using ASP.NET Ajax, I am using jquery's ajax functions. Is there any security risk if I do that? I mean, since I am using jquery's ajax calls, no view state information will be passed to the server so that it can verify the page's authenticity (though it saves a lot of bandwidth..). I would also like to know what is the best/good practice here.

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• asp.net .ashx error in sharepoint

  - by Kushal

  Hello All I am trying to shift my asp.net 3.5 application (C#) to sharepoint. I have used one .ashx(web handler) file for multiple file upload control in my application Now it works perfectly locally in asp.net but when i do the same thing with sharepoint with no change in code it stops working. I dont know if i need to add some dll or any supportive file to get that file upload page (using .ashx file) working in sharepoint Please help

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• " addressof " VB6 to VB.NET

  - by johan

  Hello, I´m having some problem to convert my VB6 project to VB.NET I dont understan how this "addressof" function should be in VB.NET My VB6 code: Declare Function MP4_ClientStart Lib "hikclient.dll" (pClientinfo As CLIENT_VIDEOINFO, ByVal abab As Long) As Long Public Sub ReadDataCallBack(ByVal nPort As Long, pPacketBuffer As Byte, ByVal nPacketSize As Long) If Not bSaved_DVS Then bSaved_DVS = True HW_OpenStream hChannelHandle, pPacketBuffer, nPacketSize End If HW_InputData hChannelHandle, pPacketBuffer, nPacketSize End Sub nn1 = MP4_ClientStart(clientinfo, AddressOf ReadDataCallBack)

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• What causes memory fragmentation in .NET

  - by Matt

  I am using Red Gates ANTS memory profiler to debug a memory leak. It keeps warning me that: Memory Fragmentation may be causing .NET to reserver too much free memory. or Memory Fragmentation is affecting the size of the largest object that can be allocated Because I have OCD, this problem must be resolved. What are some standard coding practices that help avoid memory fragmentation. Can you defragment it through some .NET methods? Would it even help?

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• How to safely store encryption key in a .NET assembly

  - by Alex

  In order to prevent somebody from grabbing my data easily, I cache data from my service as encrypted files (copy protection, basically). However, in order to do this, I must store the encryption key within the .NET assembly so it is able to encrypt and decrypt these files. Being aware of tools like Red Gate's .NET Reflector which can pull my key right out, I get a feeling that this is not a very safe way of doing it... are there any best practices to doing this?

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• How to edit and display Date in ASP.Net MVC 2

  - by Picflight

  I am storing a date in my database and want the user to be able to edit this date in the Edit View. In the past with ASP.Net web forms I have used 3 dropdownlists for the Month, Day and Year to get the date from the user and to bind it on display. I want to do the same in ASP.Net MVC and not sure how to do it? I am not using any jQuery or Javascript, the design calls for simple postback.

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• Default .NET exception handler

  - by ajs410

  So the other day my C# application crashed. Usually, with a .NET application, if you have an unhandled exception you get a nice error message with a stack trace. However, this time, I got a different dialog that just told me there was an error and offered to attach a Debugger, but there was no stack trace in the dialog and the machine it was running on had no debugger installed. What gives? Why don't I see the default .NET exception handler?

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• Are ther any .Net ports of the MonsterID gravatar generation

  - by sipwiz

  Does anyone know of a .Net port for the auto generated gravatar MonsterIDs icons? I'd like to generate monsters locally in my .Net app.

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• Context asp.net in WCF Service basichttpbinding

  - by alhambraeidos

  Hi all, I'am newbie in WCF Services. I Have asp.net page, and call it WCF Service (basic http binding). In my WCF Service, I need get the asp.net context of user. Any sample about it ? how can I config the client and service ?? and what code source can I use ?? Greetings, thanks in advanced

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• .Net version needed

  - by Tarscher

  Hi all, I want to know what the prerequisites are for my application. One is the installed .Net version. How can I know the minimum .NET number necessary to run my application. I use Visual Studio 2005. Thanks

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• Requirement to deploy the .NET framework

  - by Craig Johnston

  Has the requirement to deploy the .NET framework with a .NET application caused programmers to go back to languages such as C++ where more standalone applications can be created?

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• Instrumenting Web Service Performance in ASP.NET

  - by Achilles

  I need to measure the length of time requests are taking to be processed on an ASMX ASP.NET web service. What is the best approach for this? Is there an support in ASP.NET that "natively" supports this without me having to write code? Thanks.

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• Use html files from another project in ASP.NET MVC

  - by Stacey

  I know that I can use normal html files in ASP.NET MVC; however I have a situation where several (above 20) html files are needed for static display. This is fine and good, but I really don't want it cluttering the MVC project since none of them will have controller actions. Is there any way to load up a second project and use static html files from it, within ASP.NET MVC?

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