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Windows Form onchange()

Posted on 2013-11-12
6
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Last Modified: 2013-11-12
Hi All,

I am new to windows form development and need a little help.  I created the form you see below:
Form
The "Types:" drop down has the following options 'Quotes', 'Poems' and 'Stories'.  What I would like to have happen is depending on what is chosen, the 'Story' label changes to reflect the selection.  So, if 'Quotes' is selected, 'Story' will change to 'Quotes', etc.

I did modify the code and here's what happens when I make a selection:
Entry Error
Here's my code:
namespace QuotesPoemsStories
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
            TypeOfChoice.Text = e.ToString();
        }
    }
}

Open in new window


Any help would be great.

Thanks!
0
Comment
Question by:Isaac
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6 Comments
 
LVL 10

Expert Comment

by:joriszwaenepoel
ID: 39642337
The type of e is EventArgs.  It has nothing to do with the value that is selected in the combobox.  The value you want is combobox1.SelectedText

You should replace

TypeOfChoice.Text = e.ToString();

with

TypeOfChoice.Text = combobox1.SelectedText;
0
 
LVL 5

Author Comment

by:Isaac
ID: 39642397
i did that but the label that is to be affected dissappeared.
0
 
LVL 10

Expert Comment

by:joriszwaenepoel
ID: 39642408
I typed that code in the browser, and I didn't test it.  Sorry for that.

It is the SelectedValue property that you need to use, not SelectedText.  

Hope this helps.
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LVL 86

Accepted Solution

by:
Mike Tomlinson earned 500 total points
ID: 39642409
Not quite...you actually want SelectedItem():
        private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (comboBox1.SelectedIndex != -1)
            {
                TypeOfChoice.Text = comboBox1.SelectedItem.ToString();
            }
        }

Open in new window

0
 
LVL 86

Expert Comment

by:Mike Tomlinson
ID: 39642420
*SelectedValue() applies if you've set DisplayMember() and ValueMember() for your ComboBox.

If you've only added strings to your ComboBox thru the IDE then use SelectedItem().
0
 
LVL 5

Author Closing Comment

by:Isaac
ID: 39642461
That worked.  Thanks!
0

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