Solved

How to display only the data I need from a tag in an XML file to a listview?

Posted on 2003-11-30
4
204 Views
Last Modified: 2010-04-05
The delphi application I created is extracting data from tag <title> of an xml document and then displays the data extracted in a listview.

My problem is not how to display the extracted data. The problem is that some of the data contained in the <title> tag is not useful to me so I don't need it to be displayed in the listview.

E.g.    2-&gt;3            useful data
         2-&gt;4            useful data
         4                     not useful
         5                     not useful

The program is extracting this type of data in a listview. I don't want the integers e.g. 4,5 to be displayed and I want e.g.  2-&gt;3,   2-&gt;4 to be displayed.

Please can somebody show me how to write a routine that displays only the data I need

Thanks
0
Comment
Question by:Elmaz
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
4 Comments
 
LVL 2

Accepted Solution

by:
Tussin earned 65 total points
ID: 9848542
use function strpos.

This is an example.

procedure TForm1.Button1Click(Sender: TObject);
begin
  if StrPos(PChar(Edit1.Text), '-&gt;') <> nil then
    ShowMessage('Substring found')
  else
    ShowMessage('Substring not found');
end;
0
 
LVL 1

Assisted Solution

by:roknjohn
roknjohn earned 65 total points
ID: 9851968
What is the exact critera that determines if the data is of interest to you?  e.g. the data must contain the "&" character; or, the data should not be an integer value.

Then, build a test function for the data, such as:

function IsUseful(Data: string) : boolean;
begin
  Result := Pos('&',Data)>0;
end;

Then, either apply the test before the item is added to the ListView or iterate throught the list and delete the ones that fail the test.
0

Featured Post

Technology Partners: We Want Your Opinion!

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

The uses clause is one of those things that just tends to grow and grow. Most of the time this is in the main form, as it's from this form that all others are called. If you have a big application (including many forms), the uses clause in the in…
Have you ever had your Delphi form/application just hanging while waiting for data to load? This is the article to read if you want to learn some things about adding threads for data loading in the background. First, I'll setup a general applica…
NetCrunch network monitor is a highly extensive platform for network monitoring and alert generation. In this video you'll see a live demo of NetCrunch with most notable features explained in a walk-through manner. You'll also get to know the philos…
Monitoring a network: why having a policy is the best policy? Michael Kulchisky, MCSE, MCSA, MCP, VTSP, VSP, CCSP outlines the enormous benefits of having a policy-based approach when monitoring medium and large networks. Software utilized in this v…
Suggested Courses
Course of the Month11 days, 2 hours left to enroll

631 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question