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Common Properties of List box and Drop-down Lists:




Property
Description
Items
The collection of ListItem objects that represents the items in the control. This property returns an object of type ListItemCollection.
Rows
Specifies the number of items displayed in the box. If actual list contains more rows than displayed then a scroll bar is added.
SelectedIndex
The index of the currently selected item. If more than one item is selected, then the index of the first selected item. If no item is selected, the value of this property is -1.
SelectedValue
The value of the currently selected item. If more than one item is selected, then the value of the first selected item. If no item is selected, the value of this property is an empty string("").
SelectionMode
Indicates whether a list box allows single selections or multiple selections.

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