.net

Commands to compile programs on Windows

In case I have .NET framework installed in my computer + all the necessary other language support (Perl Interpreter, etc) What are the commands I should give in the console to compile programs in the following languages: 1. C 2. C++ 3. Java 4. Python 5. VB 6. C# 7. Perl 8. Ruby Like we have for VB- *vbc program_name.vb*, what are the c...

How do I locate a particular word in a text file using .NET

I am sending mails (in asp.net ,c#), having a template in text file (.txt) like below User Name :<User Name> Address : <Address>. I used to replace the words within the angle brackets in the text file using the below code StreamReader sr; sr = File.OpenText(HttpContext.Current.Server.MapPath(txt)); copy = sr.ReadToEnd(); sr.Close(...

Is there an XmlEncode / XmlDecode for .NET?

Are there methods for encoding and decoding *XML* in .NET? I can't seem to find them and am wondering why they aren't there and what to use instead? I need to encode an XML document and pass it through to a string parameter on a web service. It then needs to be decoded at the other end. ...

Specify Search Path for .net assembly binding/Fusion in app.config?

I have an application that depends on other .net assemblies. When I start the application, I get an error that an assembly or one of its dependencies cannot be loaded. I do not want to put the assemblies into the GAC or into the Directory of the application. Is there a way (app.config?) to tell .net to look into a given path when trying...

What is the difference between using MD5.Create and MD5CryptoServiceProvider?

In the .NET framework there are a couple of ways to calculate an MD5 hash it seems, however there is something I don't understand; What is the distinction between the following? What sets them apart from eachother? They seem to produce identical results: public static string GetMD5Hash(string str) { MD5CryptoServicePro...

How do I allow edit only a particular column in datagridview in windows application?

I want to enable only two columns in the DataGridview to be able to edit. The others should not be allowed to edit. Further I am not directly linking to datasource; I will be doing some thing like this way DataTable dt = new DataTable(); dt.Columns.Add("Email"); dt.Columns.Add("email1"); for (int i = 0; i < 5; i++) { DataRow dr = dt...

Dice face value recognition

I’m trying to build a simple application that will recognize the values of two 6-sided dice. I’m looking for some general pointers, or maybe even an open source project. The two dice will be black and white, with white and black pips respectively. Their distance to the camera will always be the same, but their position and orientation o...

Setup requires .NET Framework v1.1.4322 - but i already have all frameworks 1.0, 1.1, 2.0, 3.0 and 3.5 !

Tried to install some program, it gives above message requiring 1.1.4322. BUT as the title says, all the frameworks are already installed on my WinXP SP2, if i inspect C:\WINDOWS\Microsoft.NET\Framework\ The machine has VS2008 which essentially required full installation of Framework 3.5 SP1. Any ideas? (i know, just re-install framew...

Simple multi-threading - combining statements to two lines.

If I have: ThreadStart starter = delegate { MessageBox.Show("Test"); }; new Thread(starter).Start(); How can I combine this into one line of code? I've tried: new Thread(delegate { MessageBox.Show("Test"); }).Start(); But I get this error: The call is ambiguous between the following methods or properties: 'System.Threading...

Returning the value of an identity column during/after SQL INSERT command

Using VS 2010, with ASP.NET, and .NET 3.0, and C#... When I use a System.Web.UI.WebControls.SqlDataSource and call its Insert() method to insert a new row, and that table has an identity column, I'd like my method to return the value of that column. For example, in my SQL 2005 table, I've got: Customer.Id Customer.FirstName Customer...

Setting ItemTemplate based on CheckBox value

I have a DataTemplate which contains a CheckBox and ListBox. When the CheckBox is checked, I want to change the ItemTemplate property on the ListBox to change the appearance of each item. Right now, it looks like this: <DataTemplate DataType={x:Type MyViewModel}> <DockPanel> <CheckBox DockPanel.Dock="Bottom" ...

Multithreading Errors in C#

Hi. I am trying to update a text box. I thought my threading code would fix the problem, but it does not. Can anyone help with this? new Thread((ThreadStart)delegate { txtCapacitance.Text = Math.Round(capacitance, 3).ToString(); }).Start(); Gives the following error: Cross-thread operation not valid: Control 'txtCapacitance' ...

How do I get a java application to subscribe to an NServiceBus publisher?

I've asked Google and searched through the NServiceBus website and forums, but I can't seem to find any prescriptive guidance on how I would write a Java application to subscribe to a publisher. Does anyone have any such link or experience? ...

Are there any implementations of multiset for .Net?

I'm looking for a .Net implementation of a multiset. Can anyone recommend a good one? (A multiset, or bag, is a set that can have duplicate values, and on which you can do set operations: intersection, difference, etc. A shopping cart for instance could be thought of as a multiset because you can have multiple occurrences of the same pr...

COM Interop between 32 bit and 64 bit applications

I have a .NET windows forms application compiled as x86 – it needs to be compiled as x86 because it references 3rd party DLLs which are 32 bit. The application uses COM interop to automate Office applications and also AutoCAD. My question is: will my COM interop code work okay on a 64 bit operating system against the 64 bit versions of O...

Can I set LARGEADDRESSAWARE from within Visual Studio?

I have a .net assembly that needs to be 32-Bit and needs to be /LARGEADDRESSAWARE. I know how to do this with EditBin, but I wonder if there is a built-in way in Visual Studio 2010? Or alternatively, did someone write an MSBuild Task for this? Edit: This is for a C# app, so no linker options sadly :( ...

Library for .NET that returns SPARQL results in some structured List instead of standard XML format?

Is there any Library for .NET that returns SPARQL results in some structured List instead of standard XML format? I am using SemWeb. I could not find any such method. ...

Use of @keyword in C# -- bad idea?

In my naming convention, I use _name for private member variables. I noticed that if I auto-generate a constructor with ReSharper, if the member is a keyword, it will generate an escaped keyword. For example: class IntrinsicFunctionCall { private Parameter[] _params; public IntrinsicFunctionCall(Parameter[] @params) { ...

IDisposable: is it necessary to check for null on finally {}?

In most examples that you find on the web when explicitly not using "using", the pattern looks something like: SqlConnection c = new SqlConnection(@"..."); try { c.Open(); ... } finally { if (c != null) //<== check for null c.Dispose(); } If you do use "using" and look at the generated IL code, you can see that...

how to identify a file is a text file or other using c#.net

I need to access a file as text file and want to process it later. But before I fetch it how I can identify a file that I am taking is a text file only. If file is in another format my whole code interpret wrongly. I want to access and process only text file. Currently i am using: StreamReader objReader = new StreamReader(filePath); ...