Examples of programming questions in .net

Finding HTML strings in document
How to use floats with TrackBar
HTTP 407 proxy authentication error when calling a web service
Determine referenced dll file version in C#
List with multiple indexes
.NET URI: How can I change ONE part of a URI?
Convert an unsigned 16 bit int to a signed 16 bit int in C#
Why can't you use null as a key for a Dictionary<bool?, string>?
IoC.Resolve vs Constructor Injection
Convert String to Date in .NET if my incoming date format is in YYYYMMDD
What is the difference between framework and architecture?
Logging NHibernate SQL queries
how do I treat null lists like empty lists in linq?
Object Comparison in Unit Testing
How do I monitor clipboard content changes in C#?
WCF and Soap 1.1
Screen Resolution Problem In WPF?
Change the XML Serializer's element name of an array element
Can I use .NET Reflector to modify & recompile the code quickly?
What is the difference between AxInterop and Interop?
What does <??> symbol mean in C#.NET?
How to obtain the target of a symbolic link (or Reparse Point) using .Net?
How to get the first element of IEnumerable
How to get all classes in current project using reflection?
Application.SetCompatibleTextRenderingDefault(false);
DataGridView throwing "InvalidOperationException: Operation is not valid..." when adding a row
How to find all the browsers installed on a machine
Where is mstest.exe located?
How to scan the wireless devices which exist on the network
C#/.NET analysis tool to find race conditions/deadlocks
Disadvantage of setting Form.KeyPreview = true?
Finding property differences between two C# objects
XSD.exe and "Circular Group references
How many elements of array are not null?
Equals method of System.Collections.Generic.List<T>...?
WPF disable window moving
Can I serialize Anonymous Types as xml?
OleDbParameters and Parameter Names
How to see JIT-Compiled code in .NET VM (CLR)
Clear the .NET-downloaded application cache without Mage?
Open Source Alternatives to Reflector?
How to do Python's zip in C#?
Using the HttpWebRequest class
What is the difference between an error and an exception in .NET?
Message pump in .NET Windows service
Unable to uninstall an Assembly from GAC?
How to write Performance Test for .Net application?
Is read-only auto-implemented property possible?
How can I run NHibenate queries asynchronously?
Win C#: Run app as administrator without UAC prompt
How to compress a directory into a zip file programmatically
How do I turn an array of bytes back into a file and open it automatically with C#?
Noninitialized variable in C#
Recommendations for a Hex Viewer Control for Windows.Forms?
Should I throw my own ArgumentOutOfRangeException or let one bubble up from below?
Good example of Reactive Extensions Use
What are the uses of circular buffer?
DotNetZip trouble with coding
Installing MSBuild 4.0 without Visual Studio 2010
Detecting if a PNG image file is a Transparent image?
WrapPanel doesn't wrap in WPF ListView
Dissallowing resize of a window form
Why should we call SuppressFinalize when we don't have a destructor
Validate JSON against a schema in .Net
The HTTP request is unauthorized with client authentication scheme 'Ntlm' The authentication header received from the server was 'NTLM'
Why are interfaces not [Serializable]?
Make regular expression case insensitive in ASP.NET RegularExpressionValidator
Accessing form's resources (resx file) from code
How to disable View State MAC globally?
Function Overloading
Order of imports in C#
Serializing a list of Key/Value pairs to XML
OpenXML SDK: Make Excel recalculate formula
Forms authentication failed for the request. Reason: The ticket supplied has expired
Need example for BouncyCastle PGP File encryption in C#
How to maintain precision using DateTime.Now.Ticks in C#
TextInfo.ToTitleCase does not work as expected for ALL CAPS strings
Can an x64 application use x86 assemblies - and vice versa?
How to expand environment variable %CommonProgramFiles%\system\ in .NET
Accessing deleted rows from a DataTable
Understanding Covariant and Contravariant interfaces in C#
.NET 4.0 build issues on CI server
Nested/Child TransactionScope Rollback
Enum.TryParse with Flags attribute
Find infinite loop in progress?
How to encode custom HTTP headers in C#
Good implementation of weak dictionary in .Net
Editable TreeView
Wait for a single RabbitMQ message with a timeout
How to load the App.config file?
Way around ASP.NET session being shared across multiple tab windows
Setting a cookie in a WebBrowser control
Is there a non-blocking version of MessageBox.Show (or something like it)?
Service Unavaiable - ApplicationPool won't start
Variable type ending with ?
Where in memory are nullable types stored?
What is the fastest way to calculate a Windows folders size?
How does linq Last() determine the last item?
How to ignore comments when reading a XML file into a XmlDocument?
How do I use global resources in WPF?
WMI to reboot remote machine
Edit characters in a String in C#
Can Entity Framework model be passed a SQL script to be run against the database
Difference between Html.RenderAction and Html.Action
Get the file path of current application's config file
Is Using .NET 4.0 Tuples in my C# Code a Poor Design Decision?
Drag and drop to Desktop / Explorer
Inheritance security rules violated while overriding member - SecurityRuleSet.Level2
HttpWebRequest.UserAgent : What does it do
How should I concatenate strings?
.NET Equivalent of Snipping Tool
C# Function returning two values
How to decrease the page load time in ASP.NET application?
How to prevent value changed events from firing on form initialization in .NET?
Is List.Find<T> considered dangerous? What's a better way to do List<T>.Find(Predicate<T>)?
ASP.Net Response.Close issue
Calculate endpoint given distance, bearing, starting point
How to get a stack trace in .NET in normal execution?
A function to return a sign
Iterate over each Day between StartDate and EndDate
Should I have a separate assembly for interfaces?
How to create a hardlink in C#?
How do you implement the equivalent of SQL IN() using .net
What is the maximum amount of characters or length for a Directory?
WPF DataGrid MouseOver on DataGridRow
Microsoft Azure Storage vs. Azure SQL Database
Automapper : mapping issue with inheritance and abstract base class on collections with Entity Framework 4 Proxy Pocos
Get PC's Monitor Information Using .NET / WMI
.NET convert Datetime to format Sortable date/time pattern ("s");
Performance cost of a try/catch block
Change File Extension VB.NET
Update an UpdatePanel manually using JavaScript or jQuery
Is there a way to flush the DNS cache from a C# WPF app? (on XP, Vista, Win7)
The Ultimate Visual Studio Solution Structure
Convert BMP to PNG in memory for Clipboard pasting in .Net
When is using the C# ref keyword ever a good idea?
How to use inline modifiers in C# regex?
Why we need Thread.MemoryBarrier()?
Operator '<' cannot be applied to operands of type 'bool' and 'double'
How the StringBuilder class is implemented? Does it internally create new string objects each time we append?
Linq to return ALL pairs of elements from two lists?
Dynamically set a hyperlink control's NavigateUrl property inline
How can I check if an event has been subscribed to, in .NET?
ASP.NET MVC HTML helper methods for new HTML5 input types
NUnit global initialization - bad idea?
Visual Studio keeps crashing
How securely unguessable are GUIDs?
File.Delete failing when Image.FromFile was called prior it, despite making copy of loaded image and destroying original one
Validating Uri from String
Check of two list have colliding element?
Invoke C# code from JavaScript in a Document in a WebBrowser
Size of A Class (object) in .NET
Consume a SOAP web service without relying on the app.config
C# - How to calculate ASN.1 DER encoding of a particular hash algorithm?
How to deal with circular references?
Reading Batch shell script output into C# .Net Program
WPF: Auto truncating text in TextBlock
Convert System.Windows.Media.Imaging.BitmapSource to System.Drawing.Image
How does SqlConnection manage IsolationLevel?
Can a Delegate have an optional parameter?
How to use javascript in .ascx pages
QR Code generation in ASP.NET MVC
How do I round down a decimal to 2 decimal places in .Net?
WPF UserControl with generic code-behind
Removing read only attribute on a directory using C#
What does 'ItemsSource="{Binding}"' mean?
Clever way to append 's' for plural form in .Net (syntactic sugar)
How do I concatenate two System.Io.Stream instances into one?
how to merge two changesets only (TFS)
Entity Framework 4 - AddObject vs Attach
C# 4.0, optional parameters and params do not work together
Is there a meaningful difference between "Double" and "double" in .Net?
ListBoxItem produces "System.Windows.Data Error: 4" binding error
How to use shared resource file between projects in one solution?
How to set and change the culture in WPF
WCF HttpTransport: streamed vs buffered TransferMode
Ways of creating a constant IEnumerable<TSomeType>...?
Extracting a .NET Assembly from SQL Server 2005
c# looping through datatable, changing data
How do you use an existing variable within one or more for loops?
C# Difference betwen passing multiple enum values with pipe and ampersand
A PictureBox Problem
Turning tracing off via app.config
How can i see the assembly version of a .NET assembly in Windows Vista and newer (WIndows 7, 2008)?
Console.WriteLine correctly handle null string
Accessing a member on Form may cause a runtime exception because it is a field of a marshal-by-reference class
What's the difference between List<string> and IEnumerable<String>?
Unable to Copy datacolumn from one data table to another
When to use [MTAThread]?
Detect serial port insertion/removal
Is there support for a POP3 client using C# in the .Net Framework?
Does lock() guarantee acquired in order requested?
Non-autoblocking MessageBoxes in c#
Installing/Uninstalling Services in Windows 7: "Error 1001. The specified service has been marked for deletion
C#: Multiply Decimal with Float?
How to improve painting performance of DataGridView?
Signature and Exchange key types– what are they and when to use each ( Makecert -sky )?
WPF: How to start from a window in a different assembly
Embedded C# web server?
How to Convert IntPtr to native c++ object
Generate N random and unique numbers within a range
.NET object size limit
How to split lines from Windows text file (/r/n separation)
How to convert PowerPoint (.ppt, .pptx) to several images of each slide?
Open file from byte array
Curve fitting points in 3D space
Regular expression to allow only some characters in .net
I need a Powerful Web Scraper library
How can I embed an application manifest into an application using VS2008?
Performance: XDocument versus XmlDocument
Binding to Converter Parameter
ReSharper: how to remove "Possible 'System.NullReferenceException'" warning
Why can't I use the as keyword for a struct?
There was an error reflecting type - XML Serialization issue
System.Net.WebClient unreasonably slow
C# Run application MINIMIZED at windows startup
Cannot write to Registry Key, getting UnauthorizedAccessException
What does int test[] = new int[0] mean?
Most Popular/Frequently Used/Important Interfaces in C# .NET?
How to convert a Class Library project to a Web Application project?
How can a Windows Service start a process when a Timer event is raised?
Can I make a preprocessor directive dependent on the .NET framework version?
How to open Outlook "New mail message" window from VB.NET
Can I split an IEnumerable into two by a boolean criteria without two queries?
What is the correct way to use TypeForwardedToAttribute?
Any way to make DataContractJsonSerializer serialize Dictionaries properly?
Get class that method was defined in?
C# third index of a character in a string
How to make Regexs only match on exact-matches?
How do I compile my App.config into my exe in a VS2010 C# console app?
How to capture Shell command output in C#?
Changing the Default Target Framework Visual Studio 2010
Timeout for individual tests in NUnit
Inconsistency in divide-by-zero behavior between different value types
How to add a tooltip for a datagrid header, where the header text is generated dynamically?
What is the need of OrderedDictionary, ListDictionary, and HybridDictionary?`
C# lib for processing font files - TTF (TrueType), others
How do I declare a nested function in VB.NET?
How can I prevent a user from closing my C# application?
Why are WinForms applications STAThread by default?
System.Windows.MessageBox vs System.Windows.Forms.MessageBox
List.Contains based on a property of a list item
Multi-threading with .Net HttpListener
How to AutoSize the height of a Label but not the width
Could not find any resources appropriate for the specified culture or the neutral culture
Calculate hash when writing to stream
How to debug a stackoverflowexception in .NET
How secure is ProtectedData.Protect (DPAPI)?
Difference between BackgroundWorker and Thread?
Better random function for C#