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I just want a more portable format in comparison to a text file. Well, if large scale logging or speed is a requirement then it's obvious flat file logging will lose out. I just wanted simple, but I want the format of the log files be XML so I can use it in any way possible in the near future. Probably things like translating them into other formats like HTML, text using XSLT and stuffs.
I think it's really a nice format for a variety of uses as compared to a text file.
Yes I know what is an XML file and it has tags in them, but I want appending of data to be more transparent. Say AddLogEntry("Something"), and it'll append nicely into the XML file. I would like to do it from the class approach, rather than reading the data from the object and then writing it to the XML by specifying the open and close tags all the time.
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XMLTextWriter class can't append nodes to XML file. You have to use XMLDocument class, add a new node and call it's Save() method. But XMLDocument class loads the whole XML file initially. This can be a performance issue.
I suggest you to write to plain text file. Each log entry will be appended as a new line to the file. When you need to generate reports, create a XML file by reading this text file data. I guess this method will be efficient.
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I suggest you seriously look at fixed width files. Have a look at Log4Net or some such logging framework.
Cheers,
Vikram.
The hands that help are holier than the lips that pray.
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Why reinvent the wheel. Look at the Enterprise Library Logging Application block
only two letters away from being an asset
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All,
I have a requirement for accessing the information that you get when you right-click on an executable and select 'properties'. 'CompanyName', 'Version' etc.
Anyone have any idea how this can be achieved in C#? I have searched but can find nothing.
Thanks,
Darin
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we all know that there is an Open source Cross platform like of the Microsoft .NET development platform called MONO.... i have opened this Board for discussing whatever we are thinking about mono. The purpose is to clarify what is possible and what is dream.
I'm not an expert in either Microsoft .Net nor MONO (Unix .Net if i can say). I'm looking to be an expert in one of these since i have Linux and Windows knowledge. but i have limited time for both, so i need to dedicate my time for one at the same time I'm a supporter to the Open Source idea of MONO...
please have a look at http://www.mono-project.com and then add your questions and comments.
B.R
Ahmad Zuhd
modified on Monday, April 28, 2008 4:01 AM
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Please don't use bold for the whole post.
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We talk about C# in this forum. If it happens to work under Mono, that's fine, be we don't talk specifically about it because, well, this is a Windows programming site.
"Why don't you tie a kerosene-soaked rag around your ankles so the ants won't climb up and eat your candy ass..." - Dale Earnhardt, 1997
-----
"...the staggering layers of obscenity in your statement make it a work of art on so many levels." - Jason Jystad, 10/26/2001
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I've used Mono and am familiar with it, but this is a question/answer forum.
Mono is a follower, not a leader. So if you're going to dedicate your time I would suggest .Net and then incorporate that into what you'd like to learn about Mono later.
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I want to use the event of other class in my main clas help me out.
public class ParenctClass
{
public delegate void myDel(string data); .
public event myDel MYEVENT;
public void Some Fucntion
{
// Thourgh function i put some data in "data"
}
}// end Parenct Class
public class MainClass
{
// here how can i access "MYEVENT" event
}
thaks in advance for reply
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Is MainClass derived from ParentClass ? Your event is raised by your class. You can override the method that does this, and/or subscribe to whatever event gets fired to do this. You can also hook up the derived class to recieve the event.
Christian Graus
Please read this if you don't understand the answer I've given you
"also I don't think "TranslateOneToTwoBillion OneHundredAndFortySevenMillion FourHundredAndEightyThreeThousand SixHundredAndFortySeven()" is a very good choice for a function name" - SpacixOne ( offering help to someone who really needed it ) ( spaces added for the benefit of people running at < 1280x1024 )
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No sir the MainClass in not overrided from Parent class.
I got your idea but the probem is that MainClass is i overrideing from "Form" class
No the condition is same i have to call the ParenctCass(parent in sence i have to call my Custom Event) and use my ovent event.
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Declare the event static in your parent class and then subscribe to that event from the main class
public class Parent
{
public delegate void MyDelegate(string str);
public static event MyDelegate MYEvent;
public void Myunc()
{
if (MYEvent != null)
{
MYEvent("hello listeners");
}
}
}
<pre>
public class MainClass
{
public MainClass()
{
//subscribe to the event from Parent Class
Parent.MYEvent += new Parent.MyDelegate(Parent_MYEvent);
}
// called when event is triggered
public void Parent_MYEvent(object sender, EventArgs e)
{
}
}
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good answer but your event handler doesnt match the delegate:
public void Parent_MYEvent(object sender, EventArgs e)<br />
{ <br />
<br />
}
should be
public void Parent_MYEvent(string info)<br />
{ <br />
<br />
}
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Indeed, I wrote the answer with an Eventhandler delegate and after I noticed he needs a custom delegate I changed the code, but forgot to change the method parameters
modified on Monday, April 28, 2008 4:56 AM
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thanks for replying you got 5
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Your technique is ok when i am using function in Parenct class but if i am useing event in Parent then it fail.
i write the code which belew
<br />
<br />
public class Parent : TreeView<br />
{<br />
public delegate void MyDelegate(string str);<br />
public static event MyDelegate MYEvent;<br />
<br />
protected override void OnBeforeExpand(TreeViewCancelEventArgse)<br />
{<br />
if (MYEvent != null)
{<br />
Parent.MYEvent("hello listeners");
}<br />
}<br />
}<br />
<br />
<br />
public class MainClass<br />
{<br />
public MainClass()<br />
{<br />
Parent.MYEvent += new Parent.MyDelegate(Parent_MYEvent);<br />
}<br />
<br />
public void Parent_MYEvent(string str)<br />
{ <br />
MessageBox(str);<br />
}<br />
}<br />
<br />
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MyEvent is not going to be null if somebody subscribed to this event, like you are doing in the main class
public MainClass()
{
Parent.MYEvent += new Parent.MyDelegate(Parent_MYEvent);
}
that means if your OnBeforeExpand function will be hit before you subscribe to the MyEvent in the main class, this event will be always null.
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Hi All:
I need to capture Http GET/POST data sent from one page to another in IE using C#.
Can someone please help me out...
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Hi,
In our web application (ASP.NET and C# is used) some temporary dll files are created with random names (includes some letter and numbers). Is this a property of .NET framework?
Do anyone have information about this situation.
Thanks for your help.
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yes. Why is it a problem ?
Christian Graus
Please read this if you don't understand the answer I've given you
"also I don't think "TranslateOneToTwoBillion OneHundredAndFortySevenMillion FourHundredAndEightyThreeThousand SixHundredAndFortySeven()" is a very good choice for a function name" - SpacixOne ( offering help to someone who really needed it ) ( spaces added for the benefit of people running at < 1280x1024 )
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Hello everyone,
Two simple questions about C# threadpool.
1. C# CLR only has one thread pool per process, means the asynchronous method call (implicit using thread pool) and the explicit using thread pool by ThreadPool.QueueUserWorkItem will share the same thread pool?
2. For the exceptions occured in asynchronous method call, when we call EndInvoke, if exception is thrown and we can catch the exception. But when we use the the thread pool explicitly by ThreadPool.QueueUserWorkItem, we can not catch any exception occured?
thanks in advance,
George
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These are not simple questions 
1. using directly the ThreadPool by QueueUserWorkItem or indirectly by asynchronous methods will share the same thread pool.
2. In .NET 2.0 any unhandled exception on any thread shuts down the application (see here[^])
The solution is to
- use a try/catch block in every thread entry method (in order to avoid application shutdown in case of an unhandled exception)
- or use the application domain AppDomain.UnhandledException event.
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