.NET fundamental question
Hi All, I have searched everywhere, but possibly not asking the right way. Hence I am asking here. I am learning C sharp and ASP.net and am going through a lot of codes. I am seeing this type of...
View ArticleSolution Build Problem - Warning CS0436
*sigh* I'm running VS2005/SP1 Team Suite on Vista Ultimate RTM.For the last year I've been working on a solution with four componenets. Some are newer than others of course. The Build process has been...
View ArticleReal time view and transfer file to remote computer in C#
Any idea how to remotely access to other computer in real time and at the same time transfer files using C# ?
View ArticleValue cannot be null
Dear Team, I try to learn window phone using VS2013RC. I have a problem with this error "Error 1 Value cannot be null. Parameter name: key 0 0". I just create new project and select window...
View ArticleGet Active Control Reference in Form.KeyDown
Hi Experts,How can i get the Activecontrol in Form.Keydown when keypress for form level is true.For Example if on datagridview i press F2 KEY how can i find right now the current activecontrol is...
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How to calculate bearing in c#?
If I have two points (x1, y1) and (x2, y2) how do I calculate their bearing relative to the Y axis (0 degrees)?For example, in the graphic below:I would want the answer to be 50 degrees (I'm just...
View ArticleWhy string overloads == operator ?
Hi All,I knew that strings are reference type and overloads == operator.string s1 = "xyz";string s2 = "xyz";if (s1 == s2) ======> gives the TRUEif (String.ReferenceEquls(s1,s2)) =========> gives...
View ArticleCreating some PowerShell cmdlets for managing windows updates via WUApiLib
Ok, I have written a pure windows powershell module that allows me to manage updates from the command-line. You can find it here...
View ArticleWant to make a random Barometer reading code.
Hey again. (:I was wondering if anyone could help me with this. Basically I want to write a Code in Console Application that acts like a Barometer and when you play the code, it generates a random...
View ArticleSave multiple entry in Settings file in C#
How do I save multiple entry in one settings file in C#. e.g. i have one setting file call Remote.Settings with the attribute name and password. So example when user A saves his data and save in a...
View ArticleLINQ to SQL returns null object?
I'm trying to get users data from the database, and populate it, through the constructor. This query returns null, and the user object is null, however, if I log the output of: user.UserName, I get the...
View ArticleTask.Factory - ending a task
I have a fairly simple {I hope} question - I use Task.Factory.StartNew(() to start a task that runs in a loop indefinitely. However, I want to set up an event handler that ends/stops that method when a...
View ArticleComposition Example C#
Hi,I need to find pratical explaination of Composition in C#.Composition is again specialize form of Aggregation. It is a strong type of Aggregation. Child object does not have their lifecycle and if...
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Which Object Oriented Design we used
Hi, We have a one class Student, four (04) class inherit this studnet class name Full Time Student Part Time Student Scholarships Student Non Scholarships Student Now we need to get the studnet which...
View Articlepassing parameters to stored procedure and retrieving the result on crystal...
I have a stored procedure named "deliveryparam" that takes 3 parameters -deliverystatus,fromdate,todate.I want to pass these parameters from a windows form(to stored procedure) having 4 radio buttons...
View ArticlePrevent Remote Desktop Brute Force Attacks
The remote desktop on Windows XP does not seem to have a feature to automaticly lock out ip addresses after a set number of failed login attempts.Could I write a small C# program to do this and how...
View ArticleJoin multiple where clauses in LINQ as OR instead of AND
I'm developing an Entity Framework Code First library with C#, E.F. v. 4.4.0.0 and .NET Framework 4.0. I have this dynamic query: string[] keywords = null; if (query_string != null)...
View ArticleExtension Methods on base types, How much does this weigh down the system?
I have heard this going back and forth and wanted a semi-definitive answer. I have been told that extension methods are only valuable on classes you create, since adding it to a base adds it to EVERY...
View ArticleDownload csv files from ftp to c drive
How to download csv files from ftp server to local drive folder? Please any suggestions?
View ArticleRegarding the usage of SemaphoreSlim with Async/Await
i am not advance developer. just trying to have hold on task library just googling.i never use this class SemaphoreSlim so i like to know what it does. here i go through a code where SemaphoreSlim is...
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