Hello Experts, Currently I am working on a windows-based project using asp.net with C#. One of the project tasks is to create a scheduler. For example I have two datagrids with one rows each: dgA and dgB. On dgA, each column display a customer name; on dgB, each column is a date (i.e. 1st, 2...more >>

If I have label on the left side, and a textBox on the right (one to another), same font / fontsize... Space between the rows in the label is smaller then in textbox? can it be changed? ...more >>

Hello, Is there a fairly easy and quick way to sync 2 MS Access databases (with the same structure, obviously) using C# ? Going record by record is slow and cumbersome, there has to be an alternative.. Thank you....more >>

Hi, please don't tell me there is no other posibility to access the serial port than using the createfile(...) func? I was so convinced of .NET until this! Can somebody please provide me with an answer, which shows I'm wrong!?! Martin...more >>

hi all=2E In my program I need to convert a double number to string= representation in fraction format and vise versa=2E For example,= convert 0=2E75 to string "3/4" and convert string "1/2" to 0=2E5=2E= The class will only need to handle numbers that increment by= 1/32=2E That is 1/32, 2...more >>

I want to be able to record media off CD's and onto the C: drive, and then control display - all via the framework. Is the Media Player SDK ActiveX control the best for this? Or some other solution? Thanks, John ...more >>

Does anyone know of an API for a popular P2P network (ie WINMX, bearshare etc) that I can access using the .NET Framework? Or even one of these systems that runs as a service, and allows control via ..net? Thanks, John ...more >>

I am writing some kind of network testing tool and I have wrote the following code in ASP.NET with C# int size= 10048576; // around 10 MB data string buffer = ""; for (int j=1; j<=1024; j++) { buffer = String.Concat(buffer, "x"); // I tried buffer += "x"; sa...more >>

Hi, I am new here, hope my question is not too stupid. I want to send out email from my application by using C#, I was told to use smtp, the sample code is very simple, I am using smtpmail.send(), the questions are: 1. What does the relationship between smtp and pop3? 2. I had impression...more >>

Hello, is it possible, when creating new Event log (C#), to specify the log size or other related options. if( !EventLog.SourceExists( sourceName ) ) { EventLog.CreateEventSource( sourceName, logName ); } m_Log = new EventLog(); m_Log....more >>

Hey guys! I wrote a script with 2 dropdown lists. When the value on one is selected it should automatically load the corresponding value from the table on the second list. This for some apparent reason is not working. Label1.Text=this.ddList1.SelectedItem.ToString(); SqlCommand sqlC...more >>

My form's resx file is losing resources that I have added with ResEditor.exe (the utility that ships with VS.Net. Here is what is happening: I add the icon to the .resx file with no problems. My app calls the resource, using the following code: System.Resources.ResourceManager resources = ...more >>

Hello, I have 2 resource files. The resource files have both inside the name field values. I want to select from the first resource file the records where the name field haves a value between 1 and 25. Now I am doing this: XmlDocument xdResx = new XmlDocument(); xdResx.Load("Resources.res...more >>

How do I get rid of that '@' symbol from a string? I am tyring to use FileStream.WriteByte but it does not like it. I don't want to write that '@' symbol to the file either. s = @"c:\text1.txt" bytes = Encoding.UTF8.GetBytes(s); fs.Write(bytes, 0, bytes.Length); ...more >>

Hi I am looking for info on the correct way to import data from a dataset directly into my local SQL Server database. I need to take into account PK id. I could look through the data, but I think there has to be a better way!!! Thanks ...more >>

I need to be able to test at runtime whether or not a component is going to load properly from the Intranet. Is there a way to query, "Will the current running assembly trust a component loaded from the Intranet?" ...more >>

I can think of a couple ways to do this, but was wonder what the fastest way you can think of. Want to take any arraylist of > 1 element and make the first element the last, and all the rest of the elements will move up one position. This will be called a lot, so looking for speed. This just s...more >>

This is rather elementary but I cannot find it anywhere. How do you rename a file from within a program in C# ? (In the directory I mean.) How do you delete a file from within a program in C# ? (I don't mean renaming a file while in the IDE). Thanks. ...more >>

Hi, I need to get an image of a control (ListView) so i can save it to a file. It's pretty easy to get the Graphics with the CreateGraphics() function on every control, but I don't know how I might save the Graphics object as an image. Has anyone done this? Chris ...more >>

Hi all, I've got a tabControl, initially with one tabPage, along with two buttons, one to add another tabPage, and one to delete the current (selected) tabPage. On each tabPage, when it is created, is an pictureBox. Other stuff on the form leads to the creation of a graphic, say myImage,...more >>

I don't understand why there's no class included in the libraries for reading CSV files.. I've created my own CSV reader class which reads a CSV file, generates a report and returns records etc. Although I'm proud of having tackled the problem and produced code that works I worry that I could ha...more >>

Hi, I'm desperately trying to print a string on top of an image, but for whatever reason the images allways stays on top of my canvas! Is there some trick how to implement things? I call ev.graphics.drawimage(img, rect); ev.graphics.drawstring("mystring", ..., rect, ...); I can't re...more >>

Hi All, I use a Hashtable in my program to keep unique items...at one instance I need to repopulate this hashtable through a loop. when starting repopulation hashtable.count() returns ZERO hence first item gets added successfully but as soon as the control reaches top of foreach loop someho...more >>

I just ran into this problem also. (undocumented exception thrown when Streamwriter is handed a buffer with wierd characters in it). I was also able to get around it by specifying utf8 as the encoding for Streamwriter. (Thank you Amy L!) But I have some questions: 1- Isn't utf8 supposed to ...more >>

I've had an application that has been working for about a year that uses an HTTP channel with a Binary Formatter. The other day, my client installed a FreeBSD firewall and now the application has stopped working. He says that he has opened the configured port to enable communication between ser...more >>

hi all, i want to import [DllImport("gdi32.dll")] to perform BitBlt drawing, how to import it?? Thx... MAY ...more >>

Hello, I'd like to be able to allow instanciation of a class (class Class_A) only from another class method (class Class_B). And I'd like to write the necessary code to enforce this behavior even inside the same assembly where class Class_A and Class_B are defined. I've written the code that ...more >>

Hey Guys, I have a SQL database called price and a table called TB1, in it i have a column called "loc" I want to display the tiems in "loc" in a drop down list. I am able to do this in a datagrid. This is the code im using to display in datagrid: SqlConnection Conn=new SqlConnection("Data...more >>

Hi, I saw that there is a <value> tag that is used for class' properties. Is = there a similar tag for constants too, or should I use <value>? Thanks Mike...more >>

I am using the asynchronous send/receive methods of the Socket class. When the remote end closes the socket, the callback for receive is called and EndReceive returns 0. Socket.Connected still returns true at this point, which I know is expected behavior, so when I reach this state, I begi...more >>

I need to show a group of nodes - arranged in a hierarchy - in a Web page. A simple arrangement of boxes containing text with connecting lines among related boxes would be fine. The nodes and their relationships are stored in a database. How could I generate a graphic that depicts the current nod...more >>

Hi, I am trying to find a simple approach to share a simple data type (primitive) with two processes (two .exe files), but can’t work out. Any ideas are appreciated. Further, how to fire event across process Thanks f ...more >>

Hi I have to RowFilter in a DataSet. My problem is My column Names use aliases So when i filter lets say Ds.defaultview.RowFilter="Region Name ='US'" does not work as it has a space in between Region & Name. Does anybody Knows How to overcome this problem? thanks shiv ...more >>

All of a sudden all my C# apps require the keyword static on all global = fields and methods that I create. Even in the simplest of console apps. = Can someone tell me what I have inadvertenly set in the IDE or did = something else happen to cause this? =20 I get the following error with the...more >>

The GetProperty ./ GetMethod etc. methods all require an instance as a first parameter. What if the property is static? I can't pass in a class, obviously... John ...more >>

How do you go about appending data from a dataset to an existing xml file? I know you can use WriteXML but this writes over any data already existing in the specified file.. Cat ...more >>

With a standard enum, values are automatically assigned. public enum MyEnum{Happy,Sad,Angry,Grandpa}; ....but what about a bitflag enum? [Flags()] public enum MyEnum:int{ FalseTeeth=0x00000001 BrainCancer=0x00000002 CronesDisease=0x00000004 A...more >>

OK, for a number of reasons I have needed to begin experimenting with resources sooner than I had planned (I had avoided it for now). Step 1: I built the 'reseditor' application that is in the SDK sub-directory, as instructed by the MSDN. Step 2: I used the 'reseditor' to create a file named...more >>

I get the following exception when doing a simple statement like SELECT * FROM MyTable, I am using SQL Server 2000 and ADO.Net as the client using framework 1.1, I get this error periodiodically. Please help, Exception message: iE.AM.Runtime.AMSQLException: Unable to perform SqlCmd --...more >>

Hi In VB6, I can use OpenURL http://msdn.microsoft.com/library/default.asp?url=/library/en-us/Inet98/html/vbmthopenurlmethod.as to get the return value of a URL. Which library can I use in C# Does VB.net has that library and I can add it to C# to call a VB method? Thanks for advice....more >>

Does c# support overriding by name and not signature For instance I am building a custom collection class, that ca only take a certain type of object For this, I have added an override for add from the class view and changed it fro public int Add(object value t public int Add(MyItemClass valu...more >>

I need a little clarity in the NameValueCollection. Within the MSDN .NET 1.1 Framework help is says: "This collection is based on the NameObjectCollectionBase class. However, unlike the NameObjectCollectionBase, this class stores multiple string values under a single key." Wh...more >>

If you remove an item from a collection (that is derived from CollectionBase and thus implements IList will the index property automatically 'shuffle' up one i.e. if of {0, 1, 2, 3} I delete item 2, then will I be left with {0, 1, 2} or {0, 1, 3} Basically I am implementing a custom collection a...more >>

Hell I find with .NET it is so easy to create class libraries and user control projects and build them as DLLs, and reference them, that I am doing it as a matter of course But what is the method of deploying a DLL that is created with .NET (say a class library or a windows control library) and n...more >>

I've been searching for a clue for this but can't find one. Is possible to create an aplication with something like: "Decompressing... x%" Where the x will be changing with the evolution of the decompression in this case. In this case I used decompressing but it could be anything like in...more >>

I have a project (called Project1) which contains a main form (called mainform1) and several other forms. I would like to use mainform1 of Project1 in another project (called Project2) as a normal form but not as a main form. The main form (called mainform2) of Project2 is different than mainfor...more >>