Is there something like the listitem class in windows forms?

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Actually, I did this in web forms with dropdownlist.

Here is the code:

ListItem l1 = new ListItem("-Select-","0");
            ddlUName.Items.Add(l1);
            ddlUName.SelectedValue = "0";

Now I'm trying to do the same thing in Windows forms using combobox, but here the ListItem class is not there. So can anybody help me? How can I use the above code in windows forms?

Thank you.

Posted 12-Mar-13 8:49am

abhijit hbk

Updated 12-Mar-13 8:56am

Richard C Bishop

v2

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2 solutions

Solution 2

use ListViewItem [^] for WindowsForms. use SelectedIndices[^] property to iterate through selected items

Posted 12-Mar-13 9:33am

Jibesh

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Sergey Alexandrovich Kryukov · Accepted Answer · 2013-03-12T09:32:00

Solution 1

The analogous list type is System.Windows.Forms.ListBox. A much more advanced control is System.Windows.Forms.ListView:
http://msdn.microsoft.com/en-us/library/system.windows.forms.listbox.aspx[^],
http://msdn.microsoft.com/en-us/library/system.windows.forms.listview.aspx[^].

First, class does not need list items. Instead, you can use object of any type. This is very important, because you can store any data in the item. Many beginners don't understand it and tend to store strings representing data instead the data itself, and then suffer extracting data. You really should store actual data in Items. The only question is: what string is shown in the UI? The answer is simple: whatever the virtual method ToString returns. So, you can control this text by overriding System.Object.ToString() of your item type, which can be any structure or class. Of course, you can store just strings, in some simple cases.

The second class does have the item type, ListViewItem, but also a concept of sub-item, ListViewItem.SubItems. If you need it, see the code sample on the page referenced above.

—SA

Posted 12-Mar-13 9:32am

Sergey Alexandrovich Kryukov

Comments

Rajeev Jayaram 12-Mar-13 16:35pm

5'ed

Sergey Alexandrovich Kryukov 12-Mar-13 16:37pm

Thank you, Rajeev.
—SA

Espen Harlinn 12-Mar-13 17:55pm

5'ed!

Sergey Alexandrovich Kryukov 12-Mar-13 18:01pm

Thank you, Espen.
—SA

abhijit hbk 13-Mar-13 0:08am

AM AN BEGINNER_ I DON'T KNOW MUCH ABOUT_

ListItem l1 = new ListItem("-Select-","0");
ddlUName.Items.Add(l1);
ddlUName.SelectedValue = "0";

SO PLZZ CAN U GIVE CODE WHICH DOES SAME WORK AS THE CODE MENTIONED ABOVE, BUT HERE M USING COMBObOX INSTEAD DROPDOWNLIST

THANK UUUU

Sergey Alexandrovich Kryukov 13-Mar-13 1:21am

Pretty much same thing. What are the purpose of the items? What information do they carry?
Do you know how to override ToString? (Or anything at all; if you don't, you simply should not develop UI just yet. I hope you can.)
—SA

Sergey Alexandrovich Kryukov 13-Mar-13 1:22am

And please stop shouting (ALL CAPS is considered shouting on the Web, and rude) and talking "textspeak". Why I use full spelling, punctuation and casing when I talk to you? Do you think I am less busy?..
—SA

abhijit hbk 13-Mar-13 2:49am

sorry_ :) :) :) and thank you_

Sergey Alexandrovich Kryukov 13-Mar-13 2:54am

Not problem...
—SA