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• N_i_X Simple question.

  I have been writting c# for a year, but I suddenly want to clarify a simple question in my mind. It is a well-known fact that System.Object is the universal base class of all types. So, System.Object is a reference type, right How can value types(like int, decimal) be dervied from Object Thanks Thanks To quote the documentation for ValueType as an answer: ValueType overrides the virtual methods from Object with more app ...Show All

• sasa_1999us Save DataGridView to XML.

  Hi, I have a datagridview that is bound at runtime to an XML file via a dataset. I was not sure how to go about saving changes made to the data back to the xml file so I tried. TestDataSet.WriteXml( "C:\\Test.xml" ); This works fine but since "Test.xml" is the file currently bound, is this ok; or is there a better way to do this Thank you, Paul Since the dataset in a ...Show All

• PatrickInDenver Control in GridView Cell

  Hi Is it posible to put my own control in to cell in GridView For example i want to put ListView or even my own UserControl. And What about summary in GridView if I want to show summary in every view rows - how to this. Maybe anyone knows or saw something witch can help me. - It's WinForm GridView, not web one. Lufa ...Show All

• CarlN How do I check connection to IP address and valid permissions for writing to directory?

  Hi.  I have a service that moves files from one location to another across a network. I am trying to add a utility that will check the connection to the various machines and check if the service can write to the folder the user is requesting - prior to actually trying to move the file.  Right now I do not know if the connection is valid nor the permissions for the directory until I try the move/copy of the file to the destination.  ...Show All

• Vl.K Expand or not expand - what a pain!

  Hi,    I have a configuartion question that I'm hoping someone will know the answer to. When I start VS (C#) I find all of my methods in the fully expanded state, this is a pain in the arse as my stuff is typically large (finance apps). Can anyone tell me how I can configure VS to not expand everything at startup/load time. thanks in advance, Ed. Should exiting VS without closing the project manu ...Show All

• naijacoder Properties.Settings; ArrayList and a custom object

  Hello, I am writing a Windows Forms application using .NET Framework 2.0 and Visual Studio 2005. I would like to use Properties.Settings class to persist a collection of custom objects, so I can created a property called Connections of type System.Collections.ArrayList using the Properties designer in VS. At run-time I populate an arraylist with instances of my class and then I set the Connections property to this arraylist. Then, I exe ...Show All

• kenalex Problem starting applications based on Skype Starter Kit for C#

  Hi All, I downloaded the Skype Starter Kit, I added the reference to the SharpLogic.Skype library and when the application starts I got this exception: "Could not load file or assembly 'SharpLogic.Skype, Version=1.0.2299.29912, Culture=neutral, PublicKeyToken=null' or one of its dependencies. This application has failed to start because the application configuration is incorrect. Reinstalling the application may fix this problem. (Exception ...Show All

• Mark Cann SQL Server

  Ok. I have a Windows Media Player Control question, and a SQL Server question. What I want to know is, when I am choosing the sound file location for the Windows Media Player, if I can have it play a file from my SQL server, and if so, how would I put the file on my SQL Server Duplicate of http://forums.microsoft.com/MSDN/ShowPost.aspx PostID=131562&SiteID=1 i'd like to know also. ...Show All

• Sillyman How I can fill a DataTable with a DataGridView cell's data to insert that to SqlServer Database

  hi Gurus; How I can fill a DataTable with a DataGridView cell's data to insert that to SqlServer Database. can i set like this DataTable dt= new DataTable(); DataGridView dg; dt= dg.Table or dt=dg. please help! if my question is stupid forgive me :) hi, like that you want to reverse how it should work, you suppose to do it in this order 1) creat your datatable 2) to creat a table adapter to fill your d ...Show All

• billreynolds Specifying and Encoding w/ Trace and FileStream

  Hi ... I would like to have my trace file produced with a Unicode encoding. I'm using a FileStream and wasn't sure how to specify a different encoding. Any suggestions on documentation Thanks! Doug Hi Mike! Thanks for you answer on this! I think I tried to use a StreamWriter at one point for the trace log, but ran into some problems with this. It seemed like a FileStream was required. I'll take another crack at it and see ...Show All

• Yaniv1 He need some help with authentication

  Im trying to design a login form that will check against a SQL database to see if the username and password are correct. Could some one please supply some sample code of how i would do this. Thanks, Greg Are you working on ASP.net 2.0, check the following link http://www.asp.net/QuickStart/aspnet/doc/ctrlref/login/default.aspx Hi. You can use FormAuthintication class. Below I am including ...Show All

• senwang.microsoft How to create the object of the class present in the dynamically loaded Assembly(DLL)?

  Hi All, I have DLL (Assembly) say the name is test.dll . This dll has one class say Math, Math contains two functions Add () and Mul (). I am loading test.dll at runtime Assembly *** = Assembly .LoadFrom(xml[0]); I am getting all the types in that DLL using Type [] types = ***.GetTypes(); With this piece of code I am able to execute the function inside the code, foreach ( T ...Show All

• FHJJr Off-topic: Windows XP startup issues

  Hi, Does anyone have any idea on how to solve the following issue. I recently installed Macafee Internet Security Suite. But since I did that and ran virus scan which found a number of issues, which I cleaned up. But ever since, when I boot up my computer, it gets as far as the Welcome screen. When I click on either of the two user accounts, it initiates the login but then immediately logs out again. Any ideas on how to resolve this pro ...Show All

• p33 Adding Caption to DataGridView

  Hello, In Visula Studio 2003 DataGrid object had a caption field. However, in Visual Studio 2005, there is no caption field. Is there a way of addind a caption bar to the DataGridView object Thank you. hi, i don't know if there is a caption field or not but is there any problem to use a lable for that Best regards ...Show All

• liujun how to modify .exe or .dll 'file's productName and comany

  hi: in every .exe or .dll 'file's property, there are productName and comany these attribe . i want to write C# program to modify these value, does anyone know is there any methods to do that thanks Good that your question does not mean changing others copyrights (I wouldn't help with such questions). To modify your own - go to Project properties, select first "Application" tab and cli ...Show All