Thank you for writing back.
Please find attached a sample project, demonstrating how to format the items in the pop up in bound mode via the FormatString
property. In addition, not only the items in the list are formatted, but the text box in the editable part as well. I would like to note that the phone number should be stored in a property of numeric type in order to format its value correctly because the '#' symbol specifies digit
placeholder. There is another RadDropDownList
control in the sample project in unbound mode, which uses the VisualListItemFormatting
event to format the text. In this case it is also necessary to format the text box in the editable part.
I hope this information helps. If you have any additional questions, please let me know.
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