C# Discussion Boards - CodeProject

Xmen Real 17-Feb-10 3:17

17-Feb-10 3:17

That code is for specific CRC...I dunno why the author did that...I just got the code from a site that says its for that purpose(I need) so I simply tried to convert it to C# but I thought I may did something wrong. Thats why I asked here.

TVMU^P[[IGIOQHG^JSH`A#@`RFJ\c^JPL>;"[,*/|+&WLEZGc`AFXc!L
%^]*IRXD#@GKCQ`R\^SF_WcHbORY87֦ʻ6ϣN8ȤBcRAV\Z^&SU~%CSWQ@#2
W_AD`EPABIKRDFVS)EVLQK)JKQUFK[M`UKs*$GwU#QDXBER@CBN%
R0~53%eYrd8mt^7Z6]iTF+(EWfJ9zaK-iTV.C\y<pjxsg-b$f4ia>

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OriginalGriff17-Feb-10 3:32

17-Feb-10 3:32

If you have to use this specific code for a specific purpose then the original author is naughty to call it CRC32 if it isn't. The best way to proceed if you have to use this code and no other is to compile the C++ code into a managed DLL and include that assembly in your C# code - then it will only generate the wrong results if the original code is wrong as well!

You should never use standby on an elephant. It always crashes when you lift the ears. - Mark Wallace

Xmen Real 17-Feb-10 15:46

Re: C++ to CSharp [modified]

17-Feb-10 15:46

yupp I thought of that...but now I got the bug in the written code (C++). So all working fine now.

Btw, I can see somebody voted you 1. It wasn't me Frown | :(

Anyway, thanks for your time buddy. Have a nice day Wink | ;)

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OriginalGriff17-Feb-10 22:11

17-Feb-10 22:11

Xmen W.K. wrote:
So all working fine now

Glad to hear it!

Xmen W.K. wrote:
Btw, I can see somebody voted you 1. It wasn't me

Didn't think it was - it's just an idiot ~~you~~ who thinks he's clever - I'm not bothered! Laugh | :laugh:

[edit]Typo as shown[/edit]

You should never use standby on an elephant. It always crashes when you lift the ears. - Mark Wallace

modified on Thursday, February 18, 2010 8:27 AM

Xmen Real 18-Feb-10 2:16

18-Feb-10 2:16

OriginalGriff wrote:
you thinks he's clever

what made you think like that

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OriginalGriff18-Feb-10 2:30

18-Feb-10 2:30

Sorry about that! Typing error caused by insufficient coffee! Was intended to read "who thinks he's clever" - fixed now. Blush | :O

You should never use standby on an elephant. It always crashes when you lift the ears. - Mark Wallace

C/C++ (I dont see a huge difference between them, and the 'benefits' of C++ are questionable, who needs inheritance when you have copy and paste) - fat_boy

Xmen Real 18-Feb-10 2:33

18-Feb-10 2:33

hehe

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Richard MacCutchan17-Feb-10 3:13

Richard MacCutchan

17-Feb-10 3:13

In your first sample the line

char ctext = textLen[i];

will produce bogus results. I think you mean to select the next character in the text string, the above instruction will pluck some random value from memory.

txtspeak is the realm of 9 year old children, not developers. Christian Graus

Saksida Bojan17-Feb-10 3:26

Saksida Bojan

17-Feb-10 3:26

Here are some example of CRC32 calculation in C#

http://tomkaminski.com/crc32-hashalgorithm-c-net[^]
ZIP CRC32 Static Method and Values[^]
CRC Encoding[^]
http://www.codeproject.com/Articles/35134/How-to-calculate-CRC-in-Csharp.aspx[^]

Xmen Real 17-Feb-10 3:27

http://www.codeproject.com/Messages/3371420/Re-Cplusplus-to-CSharp.aspx[^]

17-Feb-10 3:27

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Error Comes at showing the Crystal Report

BalasubramanianK17-Feb-10 0:59

BalasubramanianK

17-Feb-10 0:59

Hi All,

I am using Asp.Net 2.0 with C#, Crystal Reports(VS 2005). I am trying to open a report by passing 4 parameters but it gives an error called "Object reference not set to an instance of an object.". While I debug, I did not get err at any line. It goes smooth but finally it gives an error. Can you guide me?. Pls find below my code

crvSTT.RefreshReport();
ReportDocument rptDoc = new ReportDocument();
rptDoc.Load(Server.MapPath("Reports/STTCertificateAnnual1.rpt"));

ParameterFields paramFields = new ParameterFields();

ParameterField pfYear = new ParameterField(); 
ParameterField pfBACode = new ParameterField();
ParameterField pfFromClientCode = new ParameterField();
ParameterField pfToClientCode = new ParameterField();

pfBACode.ParameterFieldName = "pBACode";
ParameterDiscreteValue pdvBACode;
pdvBACode = new ParameterDiscreteValue();
pdvBACode.Value = strUserId;
pfBACode.CurrentValues.Add(pdvBACode);
paramFields.Add(pfBACode);

pfFromClientCode.ParameterFieldName = "pFromClientCode";
ParameterDiscreteValue pdvFromClientCode;
pdvFromClientCode = new ParameterDiscreteValue();
pdvFromClientCode.Value = txtFromCC.Text;
pfFromClientCode.CurrentValues.Add(pdvFromClientCode);
paramFields.Add(pfFromClientCode);


pfToClientCode.ParameterFieldName = "pToClientCode";
ParameterDiscreteValue pdvToClientCode;
pdvToClientCode = new ParameterDiscreteValue();
pdvToClientCode.Value = txtToCC.Text;
pfToClientCode.CurrentValues.Add(pdvToClientCode);
paramFields.Add(pfToClientCode);


pfYear.ParameterFieldName = "pYear";
ParameterDiscreteValue pdvYear;
pdvYear = new ParameterDiscreteValue();
pdvYear.Value = "Current";
pfYear.CurrentValues.Add(pdvYear);
paramFields.Add(pfYear);                    

   
crvSTT.ParameterFieldInfo = paramFields;
crvSTT.ReportSource = rp.tDoc;
crvSTT.DataBind();

Thanks in Adv.

Balasubramanian K.

Re: Error Comes at showing the Crystal Report

Richard MacCutchan17-Feb-10 1:02

Richard MacCutchan

17-Feb-10 1:02

Your message got posted twice, please delete the previous one. You do not indicate which line of your code gets the error so it is difficult to guess why it is going wrong. Please edit your message to show where the error occurs.

txtspeak is the realm of 9 year old children, not developers. Christian Graus

Re: Error Comes at showing the Crystal Report [modified]

BalasubramanianK17-Feb-10 1:13

BalasubramanianK

17-Feb-10 1:13

All of my code lines are getting debug successfully without any error.

But error has been shown at my page by debugging all of my lines. Thanks in adv.

Balasubramanian K.

modified on Wednesday, February 17, 2010 7:29 AM

Re: Error Comes at showing the Crystal Report

Richard MacCutchan17-Feb-10 2:51

Richard MacCutchan

17-Feb-10 2:51

BalasubramanianK wrote:
All of my code lines are getting debug successfully without any error.

But error has been shown at my page by debugging all of my lines. Thanks in adv.

Which of these two statements is true?

txtspeak is the realm of 9 year old children, not developers. Christian Graus

Accessing XML File on Web

alexthecat200017-Feb-10 0:40

alexthecat2000

17-Feb-10 0:40

Hi guys,

I am having a few problems reading a line from an XML file on the web somewhere - say http://www.blah.com/myfile.xml - from within a c# application.

I do not even know roughly where to begin in order to read the XML file?

Do I need to download it to my desktop first, and then open it - because of security issues?

A poke in the right direction (or correct functions / concepts to use) would be greatly appreciated!!

Thanks!

Alex

Re: Accessing XML File on Web

Michael Bookatz17-Feb-10 0:53

Michael Bookatz

17-Feb-10 0:53

Have a look at

http://developer.yahoo.com/dotnet/howto-xml_cs.html[^]

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Weight at start [1/Feb/2009] 127kg
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Re: Accessing XML File on Web

alexthecat200017-Feb-10 11:06

alexthecat2000

17-Feb-10 11:06

Thank you very much for your help indeed!!

to pass memcod with query string in window.open() method

Mayank Pathak, Chandigarh17-Feb-10 0:24

Mayank Pathak, Chandigarh

17-Feb-10 0:24

hello seniors,

i have to pass memcod with query string on link button's click and also have to open a popup on which i'll upload picture.
i want to open that popup using window.open() javascript method
please help me its very urgent.....

Mayank Pathak

Re: to pass memcod with query string in window.open() method

Calla17-Feb-10 0:26

Calla

17-Feb-10 0:26

This is better suited in the ASP.NET forum.

Re: to pass memcod with query string in window.open() method

OriginalGriff17-Feb-10 0:35

Re: to pass memcod with query string in window.open() method

17-Feb-10 0:35

Additionally, change your user name: never post email addresses in forums unless you really like spam!

You should never use standby on an elephant. It always crashes when you lift the ears. - Mark Wallace

Mayank Pathak, Chandigarh17-Feb-10 1:04

Mayank Pathak, Chandigarh

17-Feb-10 1:04

Well Thnx for the suggestions,
Actually i'm new to .net and on codeproject community

Re: to pass memcod with query string in window.open() method

OriginalGriff17-Feb-10 1:38