I am looking into someone else's code and do not have much experience with anything to do with multi-threading. I came across this line of code: BeginInvoke((MethodInvoker)delegate() { btnCalibrate.PerformClick(); }); I was wondering why do this when just this would have worked: btnCalibrate.PerformClick(); Thanks for your answers. ...
Using SQL Server 2005, VB.Net In my application am using 3 textbox Textbox1.text = Date Textbox2.text = TimeIn Textbox3.text = TimeOut I want to update my table by using the textbox value with condtion For Example Textbox1.text = 23/02/2009 Textbox2.text = 10:00 - HH:mm Textbox3.text = 18:00 Query update table1 set TimeIn = '" ...
I have to implement client server based app where client is windows app. Now, my plan is to create a webservice as a server app and use it in our client app. But the problem is in notification. For this, I need to add a timer to the client app to check for the notification. It slows down the client app. What is the best approach to do ...
I am currently looking to implement DUKPT (Derived Unique Key per Transaction) and am lost on how to successfully implement it. Does anyone know a step-by-step guide/existing implementation out there, or some more information on the actual implementation of the solution in a client-server application? An introduction to DUKPT: In cr...
i m writing unit testcases for a class, I want to create a db file in setup make the testcase to use it and delete the file in teardown the problem is the time taken to copy is not predicted and sometimes the teardown cannot able to delete the file help me please.. code in setup has File.Copy to copy the file in teardown it has F...
In my application the user can select how a date is displayed. Most of the standard datetime format strings can be selected. My problem now is that the average user doesnt understand the difference between "m" and "D". What I want to do is change this so that, as excel does, rather than showing the format string, I show how an arbitrary ...
I have a custom logging framework writing to a System.Windows.Forms.TextBox. The way i am writing to the TextBox now is like this: tbLog.Text += newLogEntry.Text; The problem with this approach is that each time this is executed the strings from the tbLog.Text and newLogEntry.Text are concatenated, and then assigned to tbLog.Text. As ...
Hello, for main version of site i use facebook Developer Toolkit ( http://facebooktoolkit.codeplex.com ), also i need to have access to fb-connect from mobile devices (not smarts) http://wiki.developers.facebook.com/index.php/Facebook_Connect_for_Mobile_Web is there any solution to use this Developer toolkit to authorize in fb-mobile-c...
I Got An Error After I insatlled the CAB File into Device .When i select the EXE in the device. I got An Error:::::::: "internal Error: Sql server compact made an unsupported request to the operating system" Pls Help Me..... Thanks In Advance..... ...
I have a null in one of arguments in String.Format() so call throws NullReferenceException. Why does check take place even the argument isn't in resultant string? class Foo { public Exception Ex { get; set; } } class Program { public static void Main(string[] args) { var f1 = new Foo() { Ex = new Exception("Whatever...
I have created a simple tcp based "echo protocol" and notice that I suffer from handle leak on the server when the client forcibly closes the connection (sends a reset). I catch the ConnectionReset and dispose the socket in the same way I do when the socket is closed (socket.Shutdown and socket.close). As anybody encountered such a prob...
What is C# (wpf, .NET) analog for ColorMatrixFilter in ActionScript? ...
Is it possible in any possible way to add to/change the .application file (or another way) of a ClickOnce deploy file to allow parameters to be specified without the need for the parameters to be passed via the URL? The assembly may be compiled at run time/re-signed/etc, or stated otherwise, I am not worried about the bounds of "what el...
Hi! I am using UltraGrid for inserting data in table. The problem is that i need to do insert,update, delete with web service. I am getting dataSet from web service and display it into grid but when I do some changes on the grid for example insert or update data, I need also to send new dataSet to web service so that web service do upda...
I've added an .ocx to the toolbox in VS. Two .dll's were created: Interop.NNN.dll, AxInterop.NNN.dll. What is each one? Are they both required? ...
Does WatiN support redirects? I'm trying to automate testing linked in integration library with WatiN. // url like "https://api.linkedin.com/uas/oauth/authorize?oauth_token=ba826cd4-644a-4709-b2de-bedb7c8fb5b4" using (var ie = new IE(authorizationUrl)) { if (ie.TextField("email-oauthAuthorizeForm").Exists && ie.TextF...
Hi What does it mean in .Net: try-catch block without any Exception as parameter for catch? ...
I have a C# Windows application that does many tasks. some of these tasks are very time wasting. When I run these type of tasks, the other parts of my application will be disabled. How can I write my application to avoid this? Is using threads a good solution? Is it safe? ...
I have an ASP.NET MVC solution built on Entity Framework with Microsoft SQL Server 2008. I need to create a function that lets my users upload files. What I would like is: A solution that uses the Entity Framework to store files in the Database A solution that detects and prevents from uploading the same file twice via some kind of h...
I'd like to use a non-standard font for my .net 3.0 Winforms application. This font might be installed on some of my user's computer, but it will clearly be missing on some others. How can I ship the font with my program ? Do I need to install the font ? If so, is the lack of administrator privileges going to be an issue? ...