C# Discussion Boards - CodeProject

pashitech14-Mar-07 21:58

14-Mar-07 21:58

Hi all,
i want to update the <lasers>
<laser id="Laser1">
<properties>
<tabular> 's <edit property = "true" if its false,
i am using checkedlistbox property to where these values come from XML FILES,
When user checkes or unchecks the checked box, i'll toggle the values depending upon the selection,
please help me

I've posted the xmi file( which i am using,) BELOW,, plz look at it.

WTF | :WTF:

<?xml version="1.0" encoding="utf-8" ?>
<lasers>
<laser id="Laser1">
<properties>
<gauge>
<property name="Output1" min="0" max="100" optimalval="50" currval="0"></property>
<property name="Output2" min="0" max="100" optimalval="50" currval="0"></property>
<property name="Output3" min="0" max="100" optimalval="50" currval="0"></property>
<property name="Output4" min="0" max="100" optimalval="50" currval="0"></property>
<property name="Output5" min="0" max="100" optimalval="50" currval="0"></property>
<property name="Output6" min="0" max="100" optimalval="50" currval="0"></property>
</gauge>
<tabular>
<property name="temperature1" currval="12" edit="true" selected="true"></property>
<property name="temperature2" currval="56" edit="true" selected="false"></property>
<property name="temperature3" currval="36" edit="true" selected="false"></property>
<property name="temperature4" currval="67" edit="true" selected="true"></property>
<property name="temperature5" currval="37" edit="true" selected="true" ></property>
<property name="temperature6" currval="87" edit="false" selected="true" ></property>
<property name="temperature7" currval="89" edit="true" selected="true" ></property>
<property name="temperature8" currval="23" edit="true" selected="false" ></property>
<property name="temperature9" currval="78" edit="false" selected="false"></property>
<property name="temperature10" currval="81" edit="true" selected="true" ></property>
<property name="temperature6" currval="87" edit="false" selected="true" ></property>
<property name="temperature7" currval="89" edit="true" selected="true" ></property>
<property name="temperature8" currval="23" edit="true" selected="false" ></property>
<property name="temperature9" currval="78" edit="false" selected="false"></property>
<property name="Poweroutput" currval="81" edit="true" selected="true" ></property>
</tabular>
</properties>

</laser>

<laser id="Laser2">
<properties>
<gauge>
<property name="Output1" min="0" max="100" optimalval="50" currval="0"></property>
<property name="Output2" min="0" max="100" optimalval="50" currval="0"></property>
<property name="Output3" min="0" max="100" optimalval="50" currval="0"></property>
<property name="Output4" min="0" max="100" optimalval="50" currval="0"></property>
<property name="Output5" min="0" max="100" optimalval="50" currval="0"></property>
<property name="Output6" min="0" max="100" optimalval="50" currval="0"></property>
</gauge>
<tabular>
<property name="temperature11" currval="0" edit="true" selected="true"></property>
<property name="temperature22" currval="0" edit="false" selected="false"></property>
<property name="temperature33" currval="0" edit="true" selected="false"></property>
<property name="temperature44" currval="0" edit="false" selected="false"></property>
<property name="temperature55" currval="0" edit="true" selected="true"></property>
</tabular>
</properties>
</laser>
</lasers>

prashanth,
s/w Engineer,
Syfnosys.

Re: How to Update XML FILE

Stefan Troschuetz14-Mar-07 22:12

Stefan Troschuetz

14-Mar-07 22:12

Load the XML file into a XmlDocument instance, use the SelectSingleNode in conjunction with a proper Xpath expression to select the attribute whose value has to be changed and finally change the value. Take a look at the documentation of the mentioned class and method. It contains examples and continuative links that should give you a good starting point.

"Programming today is a race between software engineers striving to build bigger and better idiot-proof programs, and the Universe trying to produce bigger and better idiots. So far, the Universe is winning." - Rick Cook

www.troschuetz.de

Re: How to Update XML FILE

Stefan Troschuetz16-Mar-07 0:19

Stefan Troschuetz

16-Mar-07 0:19

pashitech wrote:
suggesting a good/moderate Encryption method for XML file

Never done that, so I'm not really in the position of given sugestions regarding this topic. Sorry, but I guess someone else here can give you valuable suggestions.

Re: How to Update XML FILE

pashitech16-Mar-07 0:24

pashitech

16-Mar-07 0:24

here i don't mean, u suggest a Perticular Encrypting method,
what i mean is
PLEASE HElp me to learn ENCRYPTION AND DECRYPTION OF AN XML FILE..
HOpe U got me, now
since i'm a beginer i wanna learn something and use.
anyway Thnx alot for ur reply,
i'l be happy if u can explain with a sample....(what ever may the method, i want implement tat[XML ENCRYPTION] in my C#.Net(2.0)WindowsApplication)
thnx again,

prashanth,
s/w Engineer,
Syfnosys.

Re: How to Update XML FILE

Stefan Troschuetz16-Mar-07 0:30

Stefan Troschuetz

16-Mar-07 0:30

pashitech wrote:
PLEASE HElp me to learn ENCRYPTION AND DECRYPTION OF AN XML FILE..

I can't. As I said I've never done encryption of XML files (concretely I've never done encryption at all) and therefore I'm beginner in that too. The best thing I can do, is refering you to google or the documentation of the System.Security.Cryptography and System.Security.Cryptography.Xml namespaces.

how do i convert a C++ structure to a C# structure

DKurup14-Mar-07 21:21

DKurup

14-Mar-07 21:21

typedef struct Struct0
{
UCHAR Id ;
UCHAR reserved [15];
};

typedef struct Struct1
{
ULONG ID;
UCHAR MaxVP ;
UCHAR MaxRange ;
UCHAR MaxDY ;
UCHAR MaxFY ;
UCHAR TypeInfo ;
UCHAR reserved [8];
Struct0 VPInfo[4];
};

typedef struct FinalStruct{

ULONG SystemId;
ULONG MaxINT ;
ULONG SysVersion ;
ULONG DllVersion;
ULONG reserved[12];
Struct1 Info[4];
};

Re: how do i convert a C++ structure to a C# structure

OneSoftware14-Mar-07 23:59

OneSoftware

14-Mar-07 23:59

try to work it how a class with some propertys

File Browser dialog

hiremath7114-Mar-07 21:12

hiremath71

14-Mar-07 21:12

hi,
i am creating a filebrowserdialog object and selecting a file and opening it.

now my question is how to select a more than one file.

help me.

with regards
prasad Smile | :)

Re: File Browser dialog

AB777114-Mar-07 21:13

AB7771

14-Mar-07 21:13

set the FileBrowserDialog.multiselect = true

Thanks & Regards,
Pramod
"Everyone is a genius at least once a year"

Folder browser dialog

hiremath7114-Mar-07 21:10

hiremath71

14-Mar-07 21:10

hi,
i am using a folder browser dialog and selecting the pericular folder.

Now my qusestion is how to get the files of selected folder.

pls help me.

With regards
Prasad Smile | :)

Re: Folder browser dialog

AB777114-Mar-07 21:12

AB7771

14-Mar-07 21:12

use Directory.GetFiles(path)
this will give u the list of all the files in that folder.

Thanks & Regards,
Pramod
"Everyone is a genius at least once a year"

Re: Folder browser dialog

hiremath7114-Mar-07 21:39

hiremath71

14-Mar-07 21:39

hi,friend

i am working on c#
directory. i am not getting this option itself

pls help me

thanks
prasad Smile | :)

Re: Folder browser dialog

Stefan Troschuetz14-Mar-07 22:06

Stefan Troschuetz

14-Mar-07 22:06

The FolderBrowserDialog has a property called SelectedPath that gives you the path selected by the user. Use this path together with the classes provided by the System.IO namespace to get further information about the selected directory and its content. For example, to get the names of the files in the directory pass the return value of FolderBrowserDialog.SelectedPath to the static Directory.GetFiles method.

Re: Folder browser dialog

AB777114-Mar-07 22:17

AB7771

14-Mar-07 22:17

add the namespace System.io

Thanks & Regards,
Pramod
"Everyone is a genius at least once a year"

Re: Folder browser dialog

hiremath7114-Mar-07 23:01

hiremath71

14-Mar-07 23:01

thank you friend
it is working

with regards
prasad Smile | :)

list box

Question114-Mar-07 20:50

Question1

14-Mar-07 20:50

i want to create the list box which has horizantle and vertical scroll bar in asp.net using c#

Re: list box

MoustafaS14-Mar-07 20:55

MoustafaS

14-Mar-07 20:55

Ask it in the ASP.NET forum.

------------------------------

"About : Islam ..."

Re: list box

N a v a n e e t h14-Mar-07 21:01

N a v a n e e t h

14-Mar-07 21:01

I am not sure. Try applying CSS

string Cheers = "Navaneeth!!"

www.w3hearts.com

array of objects problem

Hari Om Prakash Sharma14-Mar-07 20:12

Hari Om Prakash Sharma

14-Mar-07 20:12

private class classStr {
public string str;
}

public void temp()
{
classStr[] objStr = new classStr[3];
objStr[0].str = "New string";
}

when i m trying to execute above code it gives error at this line

objStr[0].str = "New string";

whether i hav to type cast "New string".

error generated: Object reference not set to an instance of an object.

First and the Foremost: FIGHT TO WIN
Lxcite's Planet...the ultimate solution
[~COMING SOON Unsure | :~

]
lxcite.com | lxcitesplanet.com

Re: array of objects problem

Harini N K14-Mar-07 20:31

Harini N K

14-Mar-07 20:31

Hi
You need to create an instance for each index of an array before accessing it.

Here is an example:

//Create an array - but you have not created an instance for index
classStr[] objStr = new classStr[10];

//Loop thro' each index and create an instance of the class
for (int i = 0; i < 10; i++)
{
	objStr[i] = new classStr();
	objStr[i].Var = "New String"; 
}

Hope this is clear.

Harini

Re: array of objects problem

Arindam Tewary14-Mar-07 20:41

Arindam Tewary

14-Mar-07 20:41

You must get that error!!!
Explanation: In the function temp,

In Line 1.You are creating an array of 3 elements. So that you are allowed to store 3 objects. But remember you dont have any objects so far in any of your array position(cell).

In Line2: The first object in 0th cell of the array you are trying to access( So far you dont hav anything in 0th cell of the array and so you get the error.)

So the bottom line is .... you must assign ( or store )something in the array before accessing array element(s).

Hope this helps ... Big Grin | :-D

Thanks,
Arindam D Tewary

Re: array of objects problem-thnks

Hari Om Prakash Sharma14-Mar-07 22:23

Hari Om Prakash Sharma

14-Mar-07 22:23

thnks 4 all

First and the Foremost: FIGHT TO WIN
Lxcite's Planet...the ultimate solution
[~COMING SOON Unsure | :~

]
lxcite.com | lxcitesplanet.com

code for the form close button

Keshav V. Kamat14-Mar-07 20:08

Keshav V. Kamat

14-Mar-07 20:08

Hello All,

I know how to close a form,

just that i need to write the same code for the windows code button, along the maximize and the minimize buttons.

How can I do that.

Thanks in advance.

Keshav Kamat Smile | :)

India

Re: code for the form close button

N a v a n e e t h14-Mar-07 20:43

N a v a n e e t h

14-Mar-07 20:43

Keshav V. Kamat wrote:
just that i need to write the same code for the windows code button, along the maximize and the minimize buttons.

What is the use or writting same code there ? When user clicks windows close button form will close automatically ? Then what's u r prob ?

string Cheers = "Navaneeth!!"

www.w3hearts.com

Re: code for the form close button

Keshav V. Kamat14-Mar-07 23:01

Keshav V. Kamat

14-Mar-07 23:01

Never mind. I got it. Its not as simple as it looks to be.

I wanted to delete all databases created in the project.
Earlier, a separate button used to do the trick.

But if the user fails to click the special button, then the databases wont be deleted, which will in turn pose a problem the next time i run it.

What I mean to say is before the application exits, a series of tasks/events should occur. With the windows default close button, the application simply exists. Hence I wanted to place the code of events over there.

anyways thanks.

Keshav Kamat Smile | :)

India

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