ItemData of Combobox in .Net

Posted on 2003-02-25
Medium Priority
Last Modified: 2012-08-13
Hi, My questions is, I have Province table with Province Name and Province Code. In VB 6, we had this property ItemData where we can store related value and run query based on that. But in VB.Net, we don't have this kind of property. Can anyone help me out, how can i do this in .Net?

Question by:asimahmed073100
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LVL 44

Expert Comment

ID: 8025354
In .Net, what is actually held in a ComboBox is an Object, not a simple string.  What is displayed in the ComboBox is defined by the Object's .ToString() .

That being the case, if you define the class correctly, you can have almost any data available when you select an Item from the ComboBox.

Yes, that will require that you re-write the part of the code that both stores items in the ComnboBox, and the code that uses the Selected Item.  But the increase in capability will be well worth the necessary re-coding effort.


Author Comment

ID: 8025502
Thanks Arthur, but i am just wondering how would i save both items in combobox as i don't want users to see the ProvinceID. One more thing came up in my mind is about DataSet. Could you help me out, where can i get much and detailed information about the DataSet.

LVL 44

Accepted Solution

Arthur_Wood earned 80 total points
ID: 8035277
you can write your own version of the ToString method of the class used to load the combobox, and thus control what is actually displayed as the entry in the combobox.  Your ToString() method would override the Base Class method.

Does that solve your problem?


Expert Comment

ID: 9447514
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