DataTextFormatString Property (C1ComboBox)
The formatting applied to the text field. For example,"{0:d}".
public System.string DataTextFormatString {get; set;}
'Declaration
Public Property DataTextFormatString As System.String
C1ComboBox c = new C1ComboBox();
c.DataSource = data;
c.DataTextField = "textField";
c.DataValueField = "valueField";
c.DataBind();