I want to change total count column cell merge

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VB

Hi,

I am using datagrid showing records, I want to change total count column, count record same means use col span 2
cell merge if same value how to write Item data row bound .

|account no	type	classification	   branch code	  facility code		total |
|------------------------------------------------------------------------------------- 
|101	Site issue	Page not found	        BR1	        FC1
|285	Site issue	Page not found	        BR2	        FC2	           2
------------------------------------------------------------------------------------- |
|187	Browser issue	Compatability loading	BR1		FC2	           3  
|512	Browser issue	Compatability loading	BR1		FC2	
|303	Browser issue	Compatability loading	BR2		FC2			|
--------------------------------------------------------------------------------------