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Code Project is not a code-ordering site, and for that it is not a site for homework solving...
If you want help, you have to do the work by yourself, and come here with actual questions about actual problems in your code/solution...
Skipper: We'll fix it.
Alex: Fix it? How you gonna fix this?
Skipper: Grit, spit and a whole lotta duct tape.
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So what have you done so far?
And if it's "nothing" then don't expect us to dig you out of a hole - if you don't even try, then there is no good reasons for helping to avoid a failing grade: we might have to work with you one day and nobody wants to work with someone who doesn't know what he is doing.
So show us what you have so far, and explain what is stopping you going any further. And we might help you to help yourself out of this hole...
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
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I have done this so far:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Apostash_Simeiwn
{
class Simeio
{
private double x;
private double y;
public Simeio(double x, double y)
{
this.x = x;
this.y = y;
}
}
}
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void bttApostash_Click(object sender, EventArgs e)
{
txtApostash.Text += Environment.NewLine + Convert.ToString(GetDistance(double.Parse(txtXa.Text),double.Parse(txtXb.Text),double.Parse(txtYa.Text),double.Parse(txtYb.Text)));
}
public static double GetDistance(double txtXa, double txtYa, double txtXb, double txtYb)
{
double a = txtXa - txtXb;
double b = txtYa - txtYb;
double distance;
return distance = Math.Sqrt(a * a + b * b);
}
private void bttOO_Click(object sender, EventArgs e)
{
if (Math.Sqrt(Math.Pow(double.Parse(txtXa.Text), 2) + Math.Pow(double.Parse(txtYa.Text), 2)) < Math.Sqrt(Math.Pow(double.Parse(txtXb.Text), 2) + Math.Pow(double.Parse(txtYb.Text), 2)))
{
txtOO.Text += Environment.NewLine + "Το σημείο Α";
}
else
{
txtOO.Text += Environment.NewLine + "Το σημείο Β";
}
}
private void bttTermatismos_Click(object sender, EventArgs e)
{
Environment.Exit(0);
}
private void bttSineuthiaka_Click(object sender, EventArgs e)
{
double l1 = (double.Parse(txtYb.Text) - double.Parse(txtYa.Text)) / (double.Parse(txtXb.Text) - double.Parse(txtXa.Text));
double l2 = (double.Parse(txtYc.Text) - double.Parse(txtYb.Text)) / (double.Parse(txtXc.Text) - double.Parse(txtXb.Text));
if (l1 == l2)
{
txtSineuthiaka.Text += Environment.NewLine + "Τα σημεία είναι συνευθειακά ";
}
else
{
MessageBox.Show("Δεν είναι συνευθειακά.Εισάγετε νέα");
}
}
}
}
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Just a small hint: The assignment didn't say you need to have a Form. So you could just do it with a console application. Maybe that will save you some effort and let you concentrate on the actual task.
If the brain were so simple we could understand it, we would be so simple we couldn't. — Lyall Watson
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he did say it. i just forgot to write it here
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So?
Start with a Console application and make sure your class works first, then make a Forms app using that class.
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I am trying to load subreport in a main report is loading properly, but while loading subreport getting "object reference not set to an instance error in catch". Can someone help me on this please?
Vijay
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Without the relevant code fragment?
No, probably not...
Have you tried using the debugger to look at exactly what you are passing to CR?
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
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Hi. If possible then provide code snippet for this. you got this error because one of your object does not initialize.
Thanks.
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I have an invoice class that has an invoice number.
I need to add to that invoice some details (orders).
these orders will be a list of details.
i have the invoice class, I have the details collection class,
and I have the details class.
So how to I add the many orders to the list from the invoice class?
any help is appreciated.
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I'm not sure exactly what you are needing help with here: all you need to do is add a private DetailsCollection instance to your Invoice class and provide methods to add Detail instance(s) to it.
Which is - to be honest - trivial, so I don't see why this is a problem if you've got this far?
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
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Like OriginalGriff, I am puzzled by what your question really is about here.
It sounds like you have some kind of class structure like:
public class OrderDetail
{
}
public class Order
{
public List<OrderDetail> OrderDetails;
}
public class Invoice
{
public List<Order> Orders;
public int InvoiceNumber { set; get; }
public DateTime InvoiceDate { set; get; }
} Perhaps this rough outline will inspire you to provide more detail and clarify your question.
«I want to stay as close to the edge as I can without going over. Out on the edge you see all kinds of things you can't see from the center» Kurt Vonnegut, Jr.
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Please post ur workable project i will try it , thanks
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It doesn't quite work like that.
We do not do your work for you.
If you want someone to write your code, you have to pay - I suggest you go to Freelancer.com and ask there.
But be aware: you get what you pay for. Pay peanuts, get monkeys.
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
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Is this intended as a kind of code competition? Is there a prize?
Whoever gave you the idea that this would be a good place to ask for ready made solutions, please tell him he was wrong.
If the brain were so simple we could understand it, we would be so simple we couldn't. — Lyall Watson
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Sascha Lefèvre wrote: Is there a prize?
Yes. A passing grade for the OP...
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
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OriginalGriff wrote: A passing grade for the OP... Not interested..
If the brain were so simple we could understand it, we would be so simple we couldn't. — Lyall Watson
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Strangely enough, I don't see 11 million other members bounding to his rescue either!
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
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Don't round up numbers... It is 11.4!
You (and others in community) should be proud of these .4, because (maybe) I am one of these.
The sh*t I complain about
It's like there ain't a cloud in the sky and it's raining out - Eminem
~! Firewall !~
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How do you get 0.4 of a member? Cut his arms and legs off?
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
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OriginalGriff wrote: How do you get 0.4 of a member? Cut his arms and legs off? And then he's only one of those 0.4
(Sorry Afzaal )
If the brain were so simple we could understand it, we would be so simple we couldn't. — Lyall Watson
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Yes, because rest of them run away... Or perhaps I can of think of escaping this Griffin slaughter?
The sh*t I complain about
It's like there ain't a cloud in the sky and it's raining out - Eminem
~! Firewall !~
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Afzaal Ahmad Zeeshan wrote: Or perhaps I can of think of escaping this Griffin slaughter? Disguising as a sheep might do the trick
If the brain were so simple we could understand it, we would be so simple we couldn't. — Lyall Watson
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White or black? Or the mighty, "Ba-ba black sheep".
The sh*t I complain about
It's like there ain't a cloud in the sky and it's raining out - Eminem
~! Firewall !~
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