MultiColumnDropDownCombo

Hi Arif,

Thank you for your interest in Syncfusion Products.

Please refer the below link for online sample which illustrates the working of MultiColumnDropDownCombo using UpdatePanel and the sample files can be downloaded from 'Download source'.

http://websamples.syncfusion.com/samples/Tools.Web/6.4.0.15/78452-MultiColumnDropDownCombo/main.htm

Please let me know if this sample helps you or I misunderstood the query.

Thanks,
Rekha