Can anybody check my code, please? - C# Discussion Boards

emergency ned to help(how to store datagrid in array list)

malak nour27-Aug-05 22:54

27-Aug-05 22:54

Hi all,
i wanna know way to store every row in a datagridview into array list
also i wanna know way to sort data by specific column in datagridview
watting u Sigh | :sigh:

don't forget me Cry | :((

How to get address of variable

levgiang27-Aug-05 22:52

levgiang

27-Aug-05 22:52

How to get address of variable in C# not use unsafe code.

le van giang

Re: How to get address of variable

Dario Solera27-Aug-05 22:53

Dario Solera

27-Aug-05 22:53

simply you cannot.

[ITA] Tozzi ha ragione: Gaia si sta liberando di noi.
[ENG] Tozzi is right: Gaia is obliterating us.

Re: How to get address of variable

Guffa28-Aug-05 0:53

Guffa

28-Aug-05 0:53

You can't. As there is nothing you could use that address for in safe mode, there is no reason to have the functionality to get it in safe mode.

How do you plan to use it?

---
b { font-weight: normal; }

-- modified at 13:29 Sunday 28th August, 2005

Changed unsafe to safe in my post, as that was what I meant.

Re: How to get address of variable

leppie28-Aug-05 3:18

leppie

28-Aug-05 3:18

Guffa wrote:
As there is nothing you could use that address for in unsafe more, there is no reason to have the functionality to get it in unsafe mode.

I assume you actually mean the opposite... Confused | :confused:

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Re: How to get address of variable

Guffa28-Aug-05 7:29

Guffa

28-Aug-05 7:29

You assume absolutely correct.

I modified the post to reflect my original intention.

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b { font-weight: normal; }

C#+MysQL+Crystal report

ben887327-Aug-05 16:13

ben8873

27-Aug-05 16:13

i'm doing a project which related to C#+Mysql+Crystal report
i have a big problem on crystal report part...
anybody can guide me how to call out the crystal report using MySql ?
thank you

Ben8873

Can anybody check my code, please?

Lord Kixdemp27-Aug-05 12:49

Lord Kixdemp

27-Aug-05 12:49

Hello everyone! Big Grin | :-D

OK, I read and re-read this code like a thrillion times and I can't understand why it's doing this... Please check it out: (VS.NET 2003 solution file)

http://www.sulfurmidis.com/BeepXtreme-srchelp.zip
[^]
OK. When I click on the open button, (File>Open), it's suppossed to make a thread (OpenFileThread()) and open a file. It starts out by making the BIP file and then validating (Check for errors in it) it (BipReader.ValidateBipFile(), file BeepXtreme.cs, line 975) but it stops on there! It doesn't throw me an exception or anything, it just pauses at the if statement on BeepXtreme.cs line 979, and the ValidateBipFile() won't execute because I tried debugging with a pause at line 298 in BipReader.cs. What's causing this?! Thanks very much! Smile | :)

Darth_Sulfur (Sulfurik)
http://www.sulfurmidis.com
http://www.sulfursoft.tk
ftp://tsfc.ath.cx
http://tsfc.ath.cx
hotline://tsfc.ath.cx

Re: Can anybody check my code, please?

leppie27-Aug-05 13:23

leppie

27-Aug-05 13:23

public BeepCollection FileParams
{
  get { return this.FileParams; }
}

Thats where u get your stackoverflow from.

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Re: Can anybody check my code, please?

Lord Kixdemp27-Aug-05 13:55

Lord Kixdemp

27-Aug-05 13:55

Umm... what's the problem with that code? What's a stack overflow? (Sorry for sounding noobie...)
Thanks! Wink | ;)

Darth_Sulfur (Sulfurik)
http://www.sulfurmidis.com
http://www.sulfursoft.tk
ftp://tsfc.ath.cx
http://tsfc.ath.cx
hotline://tsfc.ath.cx

Re: Can anybody check my code, please?

leppie27-Aug-05 14:12

leppie

27-Aug-05 14:12

Darth_Sulfur wrote:
What's a stack overflow?

Basically you get stuck in an infinite loop because the method you are calling, are calling itself.

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Re: Can anybody check my code, please?

Lord Kixdemp27-Aug-05 14:25

Lord Kixdemp

27-Aug-05 14:25

It's... calling itself? How? WTF | :WTF:

Thanks!

Darth_Sulfur (Sulfurik)
http://www.sulfurmidis.com
http://www.sulfursoft.tk
ftp://tsfc.ath.cx
http://tsfc.ath.cx
hotline://tsfc.ath.cx

Re: Can anybody check my code, please?

DavidNohejl27-Aug-05 14:48

DavidNohejl

27-Aug-05 14:48

public BeepCollection FileParams
{
  get { return this.FileParams; }
}

Actually, this is same as BeepCollection FileParams_get(){ return FileParams_get() }. Do you see now how it is calling itself? Maybe you know recursion but you was confused by syntax of properties. Properties are syntactic thing only, in reality it generates setter (and getter) functions. Is it clearer now? Smile | :)

Never forget: "Stay kul and happy" (I.A.)

David's thoughts / dnhsoftware.org / MyHTMLTidy

Re: Can anybody check my code, please?

Mohamad Al Husseiny27-Aug-05 14:50

Mohamad Al Husseiny

27-Aug-05 14:50

Set Breakpoint at

public BeepCollection FileParams
{
get
{
/* Set Breakpoin Here*/	return this.FileParams;
				
}

You will see that you will never goes out of the body
Of FileParams Property because the Body Call The
Property again and so on
This Like you wrote somthing like

public int Sum(int i,int x)
{
return Sum(i,x);
}

this will still sum i and x and

MCAD

-- modified at 20:50 Saturday 27th August, 2005

Why didn't Throw StackOverflowException

Mohamad Al Husseiny27-Aug-05 14:54

Mohamad Al Husseiny

27-Aug-05 14:54

this property call its self but why did not throw
StackOverflowException

MCAD

-- modified at 20:58 Saturday 27th August, 2005

Re: Why didn't Throw StackOverflowException

Lord Kixdemp27-Aug-05 15:41

Lord Kixdemp

27-Aug-05 15:41

Well, is there a better way to do it? I really can't figure it out, I thought that was the correct way to do it... Thanks!

Darth_Sulfur (Sulfurik)
http://www.sulfurmidis.com
http://www.sulfursoft.tk
ftp://tsfc.ath.cx
http://tsfc.ath.cx
hotline://tsfc.ath.cx

Re: Why didn't Throw StackOverflowException

S. Senthil Kumar27-Aug-05 19:31

S. Senthil Kumar

27-Aug-05 19:31

Return the member variable that actually backs up that property, instead of returning the property itself, which is what is causing infinite recursion.

class X
{
   string fileName;

   public string FileName
   {
       get { return fileName; // NOT FileName }
   }
}

Regards
Senthil
_____________________________
My Blog | My Articles | WinMacro

Re: Why didn't Throw StackOverflowException

Lord Kixdemp28-Aug-05 6:12

Lord Kixdemp

28-Aug-05 6:12

And what's my "member variable"? All I have is the FileParams... Confused | :confused:

Thanks!

Darth_Sulfur (Sulfurik)
http://www.sulfurmidis.com
http://www.sulfursoft.tk
ftp://tsfc.ath.cx
http://tsfc.ath.cx
hotline://tsfc.ath.cx

Re: Why didn't Throw StackOverflowException

Mohamad Al Husseiny28-Aug-05 7:19

Mohamad Al Husseiny

28-Aug-05 7:19

You need to Declare class member like

private BeepCollection beepCollection;

and the Change the implementaion of FileParams Property
to

public BeepCollection FileParams
{
  get
  {
  
   //return this.FileParams;
   //instead write where beePCollection is member variable  
       return beepCollection;
  }
  set
  {
    this.Lines = this.FileParams.Count;
   //Replace the following line 
   //this.FileParams = value;   
   //with this
   
    this.beepCollection=value
   }
}

MCAD

-- modified at 13:21 Sunday 28th August, 2005

Re: Why didn't Throw StackOverflowException

Lord Kixdemp28-Aug-05 16:25

Lord Kixdemp

28-Aug-05 16:25

THANK YOU ALL!!! Big Grin | :-D

It works! Now I can keep on working on this! Thanks! Wink | ;)

The program's homepage: http://www.BeepXtreme.tk

Darth_Sulfur (Sulfurik)
http://www.sulfurmidis.com
http://www.sulfursoft.tk
ftp://tsfc.ath.cx
http://tsfc.ath.cx
hotline://tsfc.ath.cx

Please Help : Marshalling in C#?

E6AD27-Aug-05 12:21

E6AD

27-Aug-05 12:21

Dear All,

I have the following issue...

I need to call a function from an unmanaged dll...

One of its input parameters is described as follows;
CvContourRetrievalMode as the datatype name
and it takes one of four values{CV_RETR_TREE...etc}

so shall I define it as enum or what?in msdn I found only examples for strings,structs and classes?any suggestions?

Thanks and Best Regards,
E.A.

Re: Please Help : Marshalling in C#?

leppie27-Aug-05 13:12

leppie

27-Aug-05 13:12

An enum will work fine. The important bit is that your datatype is the same size as the expected datatype.

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Re: Please Help : Marshalling in C#?

Mohamad Al Husseiny27-Aug-05 13:37

Mohamad Al Husseiny

27-Aug-05 13:37

Look at http://www.pinvoke.net/default.aspx/Enums.DFS_VOLUME_STATE[^]
This an example may be help tou to convert your enum
If you look at the left side from this page you will
see many Enums you can look at them

MCAD

Windows Forms - Text Box

surfman1927-Aug-05 11:49

surfman19

27-Aug-05 11:49

hi, i use a Text Box...can i underline some text in the text box?
For example when i have:
Hello how are you?
i want to underline Hello and you...

maybe its possible...
cu

Re: Windows Forms - Text Box

leppie27-Aug-05 13:21

leppie

27-Aug-05 13:21

RichTextBox

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Use Ctrl+Left/Right to switch messages, Ctrl+Up/Down to switch threads, Ctrl+Shift+Left/Right to switch pages.