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C# Add to listbox

Posted on 2011-02-13
9
Medium Priority
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475 Views
Last Modified: 2012-05-11
the code below it add only one line to list box how can I correct to make it insert for all text
private void button1_Click(object sender, EventArgs e)
        {
            string url = "http://www.presscouncil.or.th/th2/index.php?option=com_content&view=article&id=230&Itemid=100084";
            string result = null;

            try
            {
                WebClient client = new WebClient();
                result = client.DownloadString(url);
            
                listBox1.Items.Add(result);
            }
            catch (Exception ex)
            {
                // handle error
                MessageBox.Show(ex.Message);
            }

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0
Comment
Question by:teera
7 Comments
 
LVL 45

Assisted Solution

by:AndyAinscow
AndyAinscow earned 800 total points
ID: 34885853
That code asks for ONLY one line to be added to the list box.

If you want multiple lines then you need to call Items.Add once for each string you want adding.
0
 
LVL 7

Expert Comment

by:mkobrin
ID: 34885867
From what I can make out your result data is stored in a single string. you will need to split the string into an array, or loop your webclient call to fetch more results.
0
 
LVL 11

Expert Comment

by:SAMIR BHOGAYTA
ID: 34886175
Hi, use this code

private void textBox_Leave(object sender, System.EventArgs e)
{
    listBox1.Items.Add(((TextBox)sender).Text);
}
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LVL 12

Expert Comment

by:starlite551
ID: 34886505
try using this code :
private void button1_Click(object sender, EventArgs e)  
{  
      string url = "http://www.presscouncil.or.th/th2/index.php?option=com_content&view=article&id=230&Itemid=100084";  
      string result = null;  
      try  
      {  
           WebClient client = new WebClient();  
           result = client.DownloadString(url); 
           string[] lines = result.Split(new string[]{"\n"},StringSplitOptions.RemoveEmptyEntires);
           foreach(string line in lines)
           { 
                 listBox1.Items.Add(line);  
           }
      }  
      catch (Exception ex)  
      {  
          // handle error  
          MessageBox.Show(ex.Message);  
      }
}

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Above code will add all the content line by line.
0
 
LVL 12

Accepted Solution

by:
starlite551 earned 1200 total points
ID: 34886608
Sorry the correct code is as follows :
private void button1_Click(object sender, EventArgs e)
        {
            string url = "http://www.presscouncil.or.th/th2/index.php?option=com_content&view=article&id=230&Itemid=100084";
            string result = null;
            try
            {
                WebClient client = new WebClient();
                result = client.DownloadString(url);
                string[] lines = result.Split(new string[] { "\n" }, StringSplitOptions.RemoveEmptyEntries);
                foreach (string line in lines)
                {
                    listBox1.Items.Add(line);
                }
            }
            catch (Exception ex)
            {
                // handle error    
                MessageBox.Show(ex.Message);
            }
        }

Open in new window

0
 
LVL 45

Expert Comment

by:AndyAinscow
ID: 34894777
I can understand the comment accepted.
The assist of mkobrin says in different words what I said, so I am surprised that gets an assist but my comment doesn't.

Of what use is the comment by samirbhogayta in resolving your problem?
0
 
LVL 12

Expert Comment

by:starlite551
ID: 34899998
I agree with Andy.. :)
0

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