Re: c# - C# Discussion Boards

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Re: storing Data from textbox created At runtime?

developer.ravish15-Jan-09 2:36

developer.ravish

15-Jan-09 2:36

how to find controls

amcikaljaber14-Jan-09 0:01

amcikaljaber

14-Jan-09 0:01

Create an application that allows the user to enter the length for the three sides of a triangle as ints. The application should then determine whether the triangle is:
• A right triangle, two sides of the triangle form 90-degree angle
• An equilateral triangle, all sides of equal length
• Neither.
You must create a class to represent a triangle object and define the event handler for the Create Button. Define the necessary properties:
 Constructor that take the length of the three sides of the triangle as arguments
 Three properties that enable clients to access and modify the length of the three sides. If the user enters a negative value that side should be zero.
 Tow features to determine whether the sides form a right triangle. The other an equilateral triangle only get accessor "read-only".

help to solve this program..please...please

Re: c#

Eddy Vluggen14-Jan-09 0:11

Eddy Vluggen

14-Jan-09 0:11

I will!!

But first, build me a house that has:
- Four bedrooms
- A garage
- A beertender in every room

Smile | :)

I are troll Smile | :)

Re: c#

Tony Richards14-Jan-09 0:12

Tony Richards

14-Jan-09 0:12

Obvious homework questions don't go down well here. Be more specific, and show you've had a go first. You might get a useful an answer that way.

My Blog: This Blog

Re: c#

musefan14-Jan-09 0:13

musefan

14-Jan-09 0:13

Sounds like an extract from an assignment brief lol
is it?

pretty basic stuff really. You know much c#?

Re: c#

musefan14-Jan-09 0:25

musefan

14-Jan-09 0:25

Tell you what, as i feel in a helpful mode.

If you post at 12.30pm (My Time (in one hour))saying your still stuck, i will help you out with a bit of code. But give it a try yourself till then. its not too difficult for what you want to do

P.S are you doing a console app or a windows form or what?

Re: c#

J4amieC14-Jan-09 1:10

J4amieC

14-Jan-09 1:10

Please don't do people's homework for them, not in its entireity anyway. They learn nothing, pass caourses, go out to work and the rest of us spend our life clearing up their mess!

Re: c#

Colin Angus Mackay14-Jan-09 0:42

Colin Angus Mackay

14-Jan-09 0:42

As others have said, you have to do your own homework. If you don't, how do you expect to learn anything?

Provide the code you have written so far along with what you are stuck on and we will be only too glad to help you out.

* Developer Day Scotland 2 - Free community conference
* The Blog of Colin Angus Mackay

Vogon Building and Loan advise that your planet is at risk if you do not keep up repayments on any mortgage secured upon it. Please remember that the force of gravity can go up as well as down.

Re: c#

DaveyM6914-Jan-09 0:57

DaveyM69

14-Jan-09 0:57

Doesn't sound too difficult. What have you got so far and what bits of your code aren't working as expected?

Dave
BTW, in software, hope and pray is not a viable strategy. (Luc Pattyn)
Visual Basic is not used by normal people so we're not covering it here. (Uncyclopedia)

Re: c#

Pete O'Hanlon14-Jan-09 1:28

Pete O'Hanlon

14-Jan-09 1:28

Right - here's how to solve your homework.

You have a good set of requirements there. Are there any areas you are unsure about from the requirements? If yes, seek clarification.

Once you are sure you fully understand the requirements, put a use case together to show how a user would interact with this. For such a trivial problem, the use case will be simple. You may also want to put together an activity diagram to help clarify points.

Now, your thoughts should really be coming together on this, so you are now ready to commit to a design. I'd recommend roughing out a class structure on paper.

Now, follow TDD practices to physically create your application. Remember to test for edge cases - these always end up catching people out.

"WPF has many lovers. It's a veritable porn star!" - Josh Smith

My blog | My articles | MoXAML PowerToys

Re: c#

Christian Graus14-Jan-09 2:28

Christian Graus

14-Jan-09 2:28

You're going to fail your course, even if someone does this for you. So, practice with me 'do you want fries with that ?'

Christian Graus

Driven to the arms of OSX by Vista.

Re: c#

musefan14-Jan-09 2:54

musefan

14-Jan-09 2:54

Do you think people write these kind of posts just because they know lots of people will reply to complain about them?

Re: c#

leckey14-Jan-09 3:21

leckey

14-Jan-09 3:21

Change majors.

"Well, we're getting "F"'d at work. WPF, WCF, and WWF... WTF?" --John Simmons

Windows service suggestions

mpavas14-Jan-09 0:00

mpavas

14-Jan-09 0:00

Hello,

I am creating a windows service which performs 20 operations based on some condition. So at one time one process will be executed.

All these 20 different tasks are separate assemblies added to the windows service. The objects and the call to the assembly will be made only when needed.

For example:

Case "findcustomer"
create object
process

Case "findVendor"
create object
process

Is this approach a good idea? Also I want to know what needs to be keep in mind related to design of this service.

Regards,
Pavas

Regards,
Pavas

Need advise about desktop application

Haim Nachum13-Jan-09 22:28

Haim Nachum

13-Jan-09 22:28

hi. im thinking of building a multi user game that works over the internet but the clients are a desktop applications.
that means that the application will have to talk to a server on the internet and im not sure about what technology to use when sending messeges between the client and server.

is it "expensive" for example to use web service to communicate with the application?

what is the common use technology when developing such application?

Re: Need advise about desktop application

SeMartens13-Jan-09 23:14

SeMartens

13-Jan-09 23:14

Hi,

what do you mean by "expensive"? Regarding the speed of the application or the time to implement the app.

My opinion:
Implementing the app using the low-level TCP/IP (or UDP, depends on the app) protocol will result in fast communication between client and server, because web services are on a much higher level (ISO/OSI) using protocols like HTTP etc. Also you need an IIS to host the service etc. This will all slow down the app. But going this way will need you to invest time, because you have to implement all the stuff like opening sockets, handling server communication etc.

Hope this helps you a bit.

Regards
Sebastian

It's not a bug, it's a feature!

Me in Softwareland.

Link ArrayList to datagridview and display spesific data

Ronenb13-Jan-09 20:51

Ronenb

13-Jan-09 20:51

Hi I would like to link ArrayList as datasource to datagridview

I’ve defined the
ArrayList arrList;
arrList = new ArrayList();
//Add data to list
arrList.Add(node_1);
...
arrList.Add(node_n);

dataGridView1.DataSource = arrList;
Adding the link is OK, the problem is that I see all the members of nodes in datagridview and I wish to see only specific members in the grid.
I try to manually add columns to grid and it didn’t help, I see all members of node in datagridview

Please advice
Thanks
Ronen

Re: Link ArrayList to datagridview and display spesific data

musefan13-Jan-09 23:54

musefan

13-Jan-09 23:54

maybe you should forget the datasource option and update the grid view as required by looping through the array list. That way you can display what ever you want how you want, much more control that way Smile | :)

Re: Link ArrayList to datagridview and display spesific data

Reza Raad14-Jan-09 0:41

Reza Raad

14-Jan-09 0:41

See this is my code same as you want , this works for me correctly:

<br />
        grdRequests.Columns.Clear();<br />
<br />
<br />
        loanRequests = //get your array list here<br />
        grdRequests.DataSource = loanRequests;<br />
        grdRequests.DataKeyNames = new string[] { "ID" };<br />
<br />
<br />
<br />
        CommandField SelectField = new CommandField();<br />
        SelectField.SelectText = "field1";<br />
        SelectField.ShowSelectButton = true;<br />
        grdRequests.Columns.Add(SelectField);<br />
        <br />
        <br />
        BoundField IDField = new BoundField();<br />
        IDField.DataField = "ID";<br />
        IDField.HeaderText = "field2";<br />
        grdRequests.Columns.Add(IDField);<br />
<br />
...<br />
<br />
<br />
        grdRequests.DataBind();<br />

Human knowledge belongs to the world

Re: Link ArrayList to datagridview and display spesific data

Henry Minute14-Jan-09 2:16

Henry Minute

14-Jan-09 2:16

The DataGridView will automatically show ALL public properties of your Node class.

So you could do as musefan has suggested, or a possible alternative is to create a new class 'GriddableNode' which holds only the properties you wish to display, then create a list of some sort to use as the datasource for the DataGridView. OR you could edit the columns of the DataGridView, use the SmartTag for the gridview in the designer.

Henry Minute

If you open a can of worms, any viable solution *MUST* involve a larger can.

xml carriage return

arkiboys13-Jan-09 20:50

arkiboys

13-Jan-09 20:50

I am passing the data of an element inside an xml file into a sql server table with field varchar(max). This datatype is permanent and due to business rule is not allowed to be changed.

The xml file contains something like:
i.e.

<file>
<data>

-----1234------

This is the value for the first item...
</data>
<data>

-----9876------

This is the value for the second item...
</data>
</file>

Notice, there are spaces and carriage returns.
When pulling these data out of the xml file, in the immediate window, I can see "\r\n\r\n" attached to the text where there should be a return.

Problem:
The sql does not take care of these returns, so that when I show these values on the UI, I do not see the carriage returns.

Question:
How do I see the text on the UI as it exacly appears in the xml file ?

Thanks

Re: xml carriage return

Eddy Vluggen13-Jan-09 21:07

Eddy Vluggen

13-Jan-09 21:07

Make it CDATA Smile | :)

I are troll Smile | :)

Re: xml carriage return

arkiboys13-Jan-09 21:24

arkiboys

13-Jan-09 21:24

indeed it has ![CDATA[]] in there already with the data inside []

Re: xml carriage return