ComboBox for ASP.NET Web Forms
IsEmpty Property
Example 

C1.Web.Wijmo.Controls.4 Assembly > C1.Web.Wijmo.Controls.C1ComboBox Namespace > C1ComboBoxItemCollection Class : IsEmpty Property
Gets value that indicates if the collection is empty or not. If collection is empty than it will be skipped during the serialization process.
Syntax
'Declaration
 
Public ReadOnly Property IsEmpty As System.Boolean
public System.bool IsEmpty {get;}
Example
C1ComboBox comboBox = new C1ComboBox();
bool b = comboBox.Items.IsEmpty;
// b == true;
See Also

Reference

C1ComboBoxItemCollection Class
C1ComboBoxItemCollection Members