Printing a listview C#

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Hello all,

I've created a restaurant POS and i'm having trouble with the listview printing

the target is to print in the receipt the following

Product Quantity Unit Price Total

I've managed through coding to print it, but I have another problem

using the following code

C#

graphics.DrawString("  " + listView1.Items[0].SubItems[0].Text + "      " + listView1.Items[0].SubItems[1].Text + "      " + listView1.Items[2].SubItems[0].Text + "      " + listView1.Items[0].SubItems[3].Text,  new Font("Arial Bold", 11),
                     new SolidBrush(Color.Black), startX, startY + Offset);

the problem is, this only prints one row of the listview

I've tried add multiple lines of the previous code to be able to print 6 rows

but it give an error when any of the rows are empty

how to make it print all items and subitems in a listview dynamically depending on the number of rows add by the user?

What I have tried:

here is the full code of the printing

C#

graphics.DrawString("  " + listView1.Items[0].SubItems[0].Text + "      " + listView1.Items[0].SubItems[1].Text + "      " + listView1.Items[2].SubItems[0].Text + "      " + listView1.Items[0].SubItems[3].Text,  new Font("Arial Bold", 11),
                     new SolidBrush(Color.Black), startX, startY + Offset);

Posted 18-Feb-17 11:17am

Joey Arnanzo

Updated 22-Jun-23 12:56pm

v2

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[no name] 18-Feb-17 18:04pm

"the problem is, this only prints one row of the listview", no that is not a problem, that is exactly what you told it to do.
"add multiple lines of the previous code to be able to print 6 rows", okay... really bad idea but okay.
"but it give an error when any of the rows are empty", so check for an empty row.

Joey Arnanzo 18-Feb-17 18:13pm

Ok, perhaps I didn't really point out what I want

User click button, add quantity to textbox, click addtocart button and that goes to the listview

now the number of listview rows printed is static with the number of lines of I write in code

So if I put 6 lines for 6 rows, user must add 6 items to the listview to be able to print

I want to make it print the number of rows the user enters according to what he chooses

am I making any sense? don't know why it feels difficult to explain

Thanks for your reply anyway

[no name] 18-Feb-17 18:54pm

"I didn't really point out what I want", yes I see what you want. What I don't see is a question. What is your question? Why are you unable to write a simple for loop? This is basic programming 101.....

Joey Arnanzo 18-Feb-17 19:00pm

Well, a good thing that you do understand my question, and I'm sorry if I'm not good enough to understand basic programming, but I'm not a programmer, I'm just a guy trying to help a friend who can't afford paying an actual programmer, your tone is very condescending, but thank you for your help, I believe now I'm supposed to lookup how to a loop, am I right?

[no name] 18-Feb-17 19:32pm

It seems "condescending" because we aren't a "teach me programming" web site. Yes you should look up how to write a loop. then get your friend a present. Get a book on basic programming and have him go through all of the exercises. Then he would know this stuff.

Garth J Lancaster 20-Feb-17 17:48pm

>> "we aren't a "teach me programming" web site"

are we not ? - I must be in the wrong place then - yes WE ARE a 'teach me programming' web site - sometimes people come to us with more, sometimes with less (understanding)

Joey Arnanzo 18-Feb-17 19:30pm

i was able to solve this problem using loop, but now I have another problem, it prints the rows on the same line instead of below each other, here is the code I used

for (int i = 0; i < listView1.Items.Count; i++)
{
int ii = 1;
ii++;

graphics.DrawString(" " + listView1.Items[i].SubItems[0].Text + listView1.Items[i].SubItems[1].Text + listView1.Items[i].SubItems[2].Text + listView1.Items[i].SubItems[3].Text, new Font("Arial Bold", 11),
new SolidBrush(Color.Black), startX, startY + Offset);
}
Offset = Offset + 20;

Garth J Lancaster 19-Feb-17 0:42am

ok, I'm not sure what graphics environment that is, but, lets say 'StartY' is the vertical axis, increasing from the top of the page/receipt to the bottom - if that was the case, for every 'iteration' of the loop, you would add the line height in ? pixels to the StartY variable (or maybe 'Offset' as you have it)

obviously if StartY's orientation is different, you could end up subtracting the line height from StartY ... I dont know how you'll get line height though, it depends on your font and how much margin you need between the lines etc ..given you have Arial/11, try 11 + 2 above + 2 below = 15 for a line height ...

Garth J Lancaster 19-Feb-17 20:53pm

I didnt see 'Offset = Offset + 20;' in this yesterday - hint - this needs to be INSIDE the loop

Joey Arnanzo 20-Feb-17 6:40am

Thanks, Garth. that worked perfectly

Garth J Lancaster 20-Feb-17 17:52pm

cool - Ive put that as 'the solution', although its obviously just a fraction - hopefully you wont be discouraged - stick around, read some articles, learn to code from them, ask questions - contrary to the belief of some, it is why we are here

Joey Arnanzo 20-Feb-17 19:50pm

Thank you a lot for your support and encouragement, mate.. I'm really into programming, I love what you guys do, I hope I can become one soon.
Also, my program is now complete, and working, thanks a lot for your help

2 solutions

Solution 3

where offset is declare in program please help me to solve it

e.Graphics.DrawString(lvProductItems.Items[i].SubItems[0].Text + " " + lvProductItems.Items[i].SubItems[1].Text + " " + lvProductItems.Items[i].SubItems[2].Text + " " + lvProductItems.Items[i].SubItems[3].Text+ " " + lvProductItems.Items[i].SubItems[4].Text+ " " + lvProductItems.Items[i].SubItems[5].Text, new Font("Cambria", 9,FontStyle.Bold), new SolidBrush(Color.Black), 15,215 + offset);

error is showing in offset

Posted 22-Jun-23 12:56pm

Pranav Shrivastava

Comments

Dave Kreskowiak 22-Jun-23 23:06pm

You posted your question as an answer to an old question. DO NOT DO THAT!

Open your own question, with proper details, by going to the Quick Answers menu above and clicking "Ask a question".

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Garth J Lancaster · Accepted Answer · 2017-02-20T11:44:00

As we've already figured this out in comments etc, but for completeness, here's the code

C#

for (int i = 0; i < listView1.Items.Count; i++)
{
  // Not sure what/why these two are here 
  int ii = 1;
  ii++;

  // Draw the row details for ? receipt 
  graphics.DrawString(" " + listView1.Items[i].SubItems[0].Text + listView1.Items[i].SubItems[1].Text +   
    listView1.Items[i].SubItems[2].Text + listView1.Items[i].SubItems[3].Text, new Font("Arial Bold", 11), 
    new SolidBrush(Color.Black), startX, startY + Offset);

  // Move the next print position 'down the page' ie, y axis increases from top to bottom
  Offset = Offset + 20;
}