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Get all the strings of a stringlist in a textbox.

Posted on 2014-02-06
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Last Modified: 2014-02-06
Hi, I have this code below to display all the string of a stringlist in a textbox.
But even thou there are more strings in the stringlist I only get one string
displayed in the textbox. What do I do wrong?

private List<string> opened = new List<string>();

private void button1_click(object sender, EventArgs e)
{
       foreach (string mylist in opened)
       {
        testking.Text=mylist;
       }
}

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Greetings, Peter Kiers
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Question by:peterkiers
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6 Comments
 
LVL 29

Expert Comment

by:Paul Jackson
ID: 39840639
Each time you are looping you are overwriting the Textbox value.
try something like:
private List<string> opened = new List<string>();

private void button1_click(object sender, EventArgs e)
{
       foreach (string mylist in opened)
       {
            if (testking.Text = string.Empty)
            {
                 testking.Text=mylist;
            }
            else
            {
                 testking.Text = testKing.Text + " " + mylist;
            }
       }
}

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0
 
LVL 1

Author Comment

by:peterkiers
ID: 39840649
Hi, thank you for the response. I get: Cannot implicitly convert 'type' to 'bool' at the IF-line

P
0
 
LVL 1

Author Comment

by:peterkiers
ID: 39840654
Oh got it must be ==

Peter
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LVL 1

Author Comment

by:peterkiers
ID: 39840658
Is it possible to display the strings underneath each other then next to each other.

Peter
0
 
LVL 29

Accepted Solution

by:
Paul Jackson earned 2000 total points
ID: 39840671
You should be able to use Environment.NewLine instead of a space to separate the values:

private List<string> opened = new List<string>();

private void button1_click(object sender, EventArgs e)
{
       foreach (string mylist in opened)
       {
            if (testking.Text == string.Empty)
            {
                 testking.Text=mylist;
            }
            else
            {
                 testking.Text = testKing.Text + Environment.NewLine + mylist;
            }
       }
} 

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0
 
LVL 1

Author Comment

by:peterkiers
ID: 39840675
Thanks. Peter
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