Answer Questions

• guptasameer1984 Mapped drives to access files in VB.NET

  Hi, I am a high school computer teacher teaching VB.NET. I am trying to teach sequential access files to my class, but the students do not have permission to the local drive (C:), they have only been given permission to save on their Network (mapped) drive (H:). I have read enough on-line to find out that mapped drives cause problems, and I have gotten my sequential access files to work when I work on my local drive. When this line of c ...Show All

• BillyB Compare time

  Hi, Im having a lil question. Im trying to compare 2 times with eachother. One time is in an xml file. The other one is the time at this current moment. If the time is older than 1 month, it should remove a whole table from the xml file. This is the code i produced so far: static void Main(string[] args) { try { DataSet xmlFile = new DataSet(); xmlFile.ReadXml("test.xml"); foreach (DataRow dateR ...Show All

• Christina LW Quick SQL question

  I am trying to build manually the UPDATE, INSERT and DELETE strings of my OdbcDataAdapter because the ones generated by the OdbcCommandBuilder are not going to be adequate. I will still be starting from the generated strings and build on them. To understand better what they do, I need to interpret a specific SQL predicate, and I am having trouble with an expression within. The following SQL command is supposed to ensure that a row in a table is ...Show All

• Mike Berro Using TcpClient to do a telnet session

  Background: I want to automate a telnet dialog on a non-standard port (i.e. not port 24). I tried to establish a simple dialog to a remote computer with TcpClient in C#, VS2005. The documentation provides a nice, compact example ( http://msdn2.microsoft.com/en-us/library/system.net.sockets.tcpclient.aspx ) which runs, but the output I get is Sent: login Received: ↑ # ' Actually, no matter what string I send, the Received line is t ...Show All

• vibha504 how do I change a field having PrimaryKey???

  Dear All; I want to change just a No Duplicate field in a Row having Primary Key. When i follow as given in MCAD/MCSD code snippet as follows: Dim rowChange as DataRow rowChange=m_dtContacts.Rows.Find(m_NextID-1)  rowChange.Item("Workphone")="(555)222-90000)" it threw an exception of type "Dublicate Key.." Is there any helpfull tip for solving such problem Thanks alot   Thanks paul for your reply: I don't want to c ...Show All

• Dedy Susanto File download from server to separate client hard disk - I'm Stuck!!!

  Hi, I am using C# with ASP.NET2.0 I am having difficulty in downloading a file from a Web server to a client hard disk via a browser. 1. I have been able to download from the WebServer to a folder on the hard disk of the machine running the web server (Not what I want). 2. I have been able to down load a file (.zip) from the WebServer to a folder on the client machine - but this forced user intervention by asking whether I wanted to ...Show All

• Danel Router's public ip address

  Greetings All, I have a windows application that is installed at numerours client locations . I want to detect the router's public ip address. Anyone know of a quick and easy way to do this programmatically Thanks, Anz Hmm... this gets you the router private address, not the public one. I'm not sure that such a thing (getting the public address) is even possible. ...Show All

• Rick01 Using Generics with a DataGrid Control Returning an Index -1 after appending to the Collection

  Hello Everyone, What I am doing is simply this .. I have a collection say named List<Persons> persons; And I have a datagrid Control that has its DataSource set as follows - dgView1.DataSource = persons; now when I say use the context menu on the datagrid control and I add to the collection after adding the new object to my collection and then setting the datasource to null and back to the persons List Collection so that the DataGrid co ...Show All

• mnborja Where does ObjectSpace fit?

  and all the architecture discussion Currently the list of topics for these forums is still being flushed out, but we are trying to start small and keep the scope limited to technologies that customers can use starting with VS 2005. When more information, in general, is available on objectspaces I imagine there will be more people asking questions about the concept. Then we'd probably create a forum if the ...Show All

• Peter.Kortman System.IO.Ports problem? I/O Exception...

  I've searched all over and seen a few instances of other people having similar issues but have yet to find a solution. I'm trying to connect to my GPS unit via COM3 I use the following: SerialPort thisPort = new SerialPort("COM3", 4800, Parity.None, 8, StopBits.One); thisPort.Open(); This always throws an exception: The I/O operation has been aborted because of either a thread exit or an application request I wrote a similar applicatio ...Show All

• EldoChem How to create a single instance Data set?

  How to create in a Windows Forms Application a single instance typed Dataset using .net2.0. This is needed to have real-time update on two forms. Regards Bhargav     Create the static instance of type dataset inside the static program class. This is where your main method is. Then it should be available through the following call in all of your forms. Program.myDataSet cheers ...Show All

• devalapa_k That assembly does not allow partially trusted callers.

  Why am I getting this I am trying to debug a C# application on my own machine, so, as I understand it, my program should have full trust. Does your MS.SD.Admin.Status.DLL try to call into any other assemblies In my Application ,When I am hosted my application , that gives an error.... " Exception: System.Security.SecurityException:That assembly does not allow partially trusted callers. Description: Application a ...Show All

• AJ_101 Unable to modify database data (ADO.Net, C++, ODBC)

  Hi, I've got a similar problem, too. I'm using MyODBC to connect to a MySQL 5 database. I use VB '05 Express and databinded textboxes to view that database (resp. the data stored in it). I'm able to view the data, to navigate through the database (using bindingnavigator) and so on. But now there's a problem: If I make changes in this database, they are stored in the db while runtime. But if I close the program and run it once again, ...Show All

• Tuyen Tran SSL X509Store

  I have created a certificate with makecert.exe -sr LocalMachine -ss MY -a sha1 -n CN=test -sky exchange -pe cert.cer makecert.exe import the cert into the certification store. But i delete the cert in the certification store because i would add the cert to the store with my server app. Here is the code, all works fine but Server.AuthenticateAsServer(cert) don't work... Private cert As New X509Certificate2("C:\cert.cer ...Show All

• inbarik Programatically checking whether a type implements a interface?

  How can we find whether a Assembly is already loaded into a AppDomain or not Thanks, Suresh. I would verify that your assembly is correctly named and that the type name is the fully qualified path to your class.  It is possible that either the assembly you are referencing isn't the one containing the type or the type name is not fully qualified.  Either one will cause a problem.  If they are ac ...Show All