merge cells in gridview that has same value in asp.net
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I have data in following format in gridview 
Region Branch
Gujrat Ahmedabad
Gujrat Surat
Gujrat Vadodara
Mumbai Dadar
Mumbai Andheri
Mumbai Borivali

Bu i want to merge the repeated value like follows
Region Branch
Gujrat Ahmedabad
       Surat
       Vadodara
Mumbai Dadar
       Andheri
       Borivali


Please help its urgent.
I am taking data from one table to gridview. in gridview i have template feild which has labels. Those labels are databound .