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Thanks for the warning, it was a honest mistake.
Uros
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Is there a tool that would help me examine the application domains in a running process that hosts the .NET runtime (BizTalk for instance)? Or the DLL's loaded by the said process?
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In order to get the Dlls loaded by a process, you can make use of Process.Modules property. Not sure about getting the list of AppDomains in a process. In case you know the AppDomain, AppDomain.GetAssemblies method would do same for you."No matter how many fish in the sea; it will be so empty without me." - From song "Without me" by Eminem
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Thank you for your answer. I will start with that, that should be enough.
I wanted to do this because you can instruct BizTalk to load specific assemblies into named domains and not to unload those domains when idle.
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You can also use the Fusion Log Viewer, it's installed with most visual studio installs, if not it is easily downloaded from Microsoft Downloads. Open up a visual studio command prompt, and type FUSLOGVW. have this open whily you run your process, and it will log all the assembly binds that occur.
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Hi i am trying to write a tree view control however have come accross difficulty in drawing the vertical lines.
The bellow method currently works by fining the cumulative height of the last branch it was in and then calls AmountToDeduct(nodes[i].Nodes) to reduce this to the correct height for the next line.
However this is very slow. Does anyone know a way i can simply not add nodeheight to the newLineFinishPoint if it is not needed apposed to taking away from the total heigh.
private Point PositionNodes(List<Node> nodes, Point point)
{
Point newStartPoint = new Point();
Point newFinishPoint = new Point();
newStartPoint = point;
int nodeHeight = nodes[0].Size.Height;
for(int i = 0; i < nodes.Count; i++)
{
nodes[i].Location = point;
point.Y += nodeHeight;
if (nodes[i].Nodes.Count > 0 && nodes[i].Expanded)
{
point.Y = PositionNodes(nodes[i].Nodes, new Point(point.X + m_xIndentation, point.Y)).Y;
}
newFinishPoint = point;
newFinishPoint.Y -= (int)(nodes[0].Size.Height * 0.5);
if (nodes.Count == 1 && nodes[i].Expanded)
{
newFinishPoint.Y -= AmountToDeduct(nodes[i].Nodes);
}
m_linePoints.Add(newStartPoint);
m_linePoints.Add(newFinishPoint);
}
return point;
}
Thanks in advance
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hi there,
I need to read a text file, but i want to read only the first 5 lines.
please help me
Thanx
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muka66 wrote: I need to read a text file, but i want to read only the first 5 lines
Stop reading after 5 lines.  txtspeak is the realm of 9 year old children, not developers. Christian Graus
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help please, dnt forget we all hv to start somewhere, so im a 9 year old in development
thanx 
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muka66 wrote: im a 9 year old in development
Well, at least that explains the txtspeak.  txtspeak is the realm of 9 year old children, not developers. Christian Graus
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Here is one way:
string[] lines = new string[5];
using (StreamReader sr = new StreamReader(@"c:\XXTemp\data.txt"))
{
for (int i = 0; i < 5; i++)
{
if (!sr.EndOfStream)
{
lines[i] = sr.ReadLine();
}
}
}
If Barbie is so popular, why do you have to buy her friends?
Eagles may soar, but weasels don't get sucked into jet engines.
If at first you don't succeed, destroy all evidence that you tried.
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when i read the whole file, i manage to sisplay the content on a label, now I need to display only the first five line of the text file, but currently the program just display one line.
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
try
{
StreamReader objStream;
string myfile = Request.QueryString["txtreader"] + ".txt";
string reading = Server.MapPath(myfile);
string[] lines = new string[5];
using (objStream = new StreamReader(reading))
for (int i = 0; i < 5; i++)
{
if (!objStream.EndOfStream)
{
lines[i] = objStream.ReadLine();
lblDispaly.Text = lines[i];
}
}
objStream.Close();
}
catch(FileNotFoundException exc)
{
lblerror.Text = exc.ToString();
}
}
Thanx
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You are overwriting the Label.Text property each time ...
try this :
lblDispaly.Text += lines[i] + @"\n";
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Thanx a lot, it worked
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muka66 wrote: lblDispaly.Text = lines[i];
You just replace the text (up to) 5 times..
What exactly do you want on that label? All up-to-5 lines?
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for (int i = 0; i < 5; i++)
{
if (!objStream.EndOfStream)
{
lines[i] = objStream.ReadLine();
lblDispaly.Text = lines[i];
}
}
This will only display line 5
because each line diplayed ...
lblDispaly.Text = lines[i];
replaces the previous line.
The five lines are stored in 5 strings
inside the array lines, lines[0] holds
the first string while lines[4]
holds the 5th string. The seperate
strings may be combined into one string
with the Join function.
for (int i = 0; i < 5; i++)
{
if (!objStream.EndOfStream)
{
lines[i] = objStream.ReadLine();
}
}
lblDispaly.Text = String.Join(" ",lines,0,5);
Do a google for C# string join.
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Thanx it works
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I see from later messages that you got it sorted anyway, but there are a comments. Please do not assume I am "getting at you", I'm not - I'm just trying to make your life easier later on!
1) When you post code fragments, use the "code block" widget on the message entry page. This preserves the formatting and makes it easier to read. It doesn't make much difference with a tiny bit of code like yours, but any bigger and it really can improve things. There are people here who won't read tour code unless it is formatted - and they include some people who seriously know what they are doing!
2) Get into the habit of using "too many" curly braces - whenever you can use them do. Particularly in the early days, they make it a lot more obvious where the flow of control is going. If you don't then there is always the temptation to add a new line of code which is outside the scope you intended:
if (condition)
statement; becomes:
if (condition)
statement;
statement; and then you are wondering why the second one is always executed!
if (condition)
{
statement;
}becomes:
if (condition)
{
statement;
statement;
}Is a lot more obvious. (And yes, I know VS re-formats code automatically - but it doesn't always.)
3) You don't need the "objStream.Close()" - the using statement Disposes of the file stream, so there is nothing to close!
4) Try to be consistent with your naming: lblerror and lblDispaly can't both be right! Use lblError and lblDisplay instead. Remember that VS will rename variables for you if you ask it nicely...
5) Use names that describe what something does, not what it is: objStream is neither helpful nor accurate! srInputFile is a lot more useful when you come back to it in six months time.
6) Try to declare things in a minimum scope: for example:
StreamReader objStream;
string myfile = Request.QueryString["txtreader"] + ".txt";
string reading = Server.MapPath(myfile);
string[] lines = new string[5];
using (objStream = new StreamReader(reading))
{
for (int i = 0; i < 5; i++)
{
if (!objStream.EndOfStream)
{
lines[i] = objStream.ReadLine();
lblDispaly.Text = lines[i];
}
}
}
objStream.Close();Because objStream is only usable within the using block, declare it in the using block. That way, if you try to use it outside, the compiler will complain and you will realize there is a problem before you can run the code. Catching bugs in the compiler is way faster than at runtime!
string myfile = Request.QueryString["txtreader"] + ".txt";
string reading = Server.MapPath(myfile);
string[] lines = new string[5];
using (StreamReader objStream = new StreamReader(reading))
{
for (int i = 0; i < 5; i++)
{
if (!objStream.EndOfStream)
{
lines[i] = objStream.ReadLine();
lblDispaly.Text = lines[i];
}
}
}
objStream.Close();
This may seem a lot of criticism, but it's not really - it's just good coding practices (hopefully) explained as to why we do things the way we do! It really does speed things up when projects get more complex, and it's is worth getting right from the start, because that way you don't have "bad habits" to break later on.If Barbie is so popular, why do you have to buy her friends?
Eagles may soar, but weasels don't get sucked into jet engines.
If at first you don't succeed, destroy all evidence that you tried.
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Thanx, I will use the advice
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Hi, I need to have maybe 5 threads running which all use the same DataSet and need to loop through all the rows retrieved but each row must be processed by one thread only (e.g. I don't want row 1 to be processed by thread 1 and thread 3).
I can also use a DataReader if that helps, but I need to dow some locking logic I would have thought. Can anybody please help as I've no experience of doing this before?
Thank you
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| Pass each thread a row to process, or a list of rows to process. Lock won't help you much here since it suspends the thread until the lock is released. You would need to check if a thread is (or has) processed that row, which is a different logic altogether. If Barbie is so popular, why do you have to buy her friends?
Eagles may soar, but weasels don't get sucked into jet engines.
If at first you don't succeed, destroy all evidence that you tried.
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Ok, thanks. So how do check if it has processed or is processing a row which has been used/is being used?
Thanks
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| Yo will have to do that yourself - either by handing the thread only the row(s) you want it to process (my preferred option) or by keeping a list of all rows that have been processed and checking it in your thread. If you go for the second option, you will need to lock the list before your threads access it! If Barbie is so popular, why do you have to buy her friends?
Eagles may soar, but weasels don't get sucked into jet engines.
If at first you don't succeed, destroy all evidence that you tried.
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Thanks, yes it would probably be best to just set each numbered thread to use certain segments of the data. For example, I have set the first thread to process rows 0 to 9999 of the DataSet, etc.
Thanks
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