combobox column type in datagridview depending on get result

Question

combobox column type in datagridview depending on get result

 datagridview table 

empid   name  attendstatus <-attendstatus is a combobox column type combobox list contains Present,Absent

 101      abc      Present

 

 when saving its fine

 string status=datagridview.Rows[i].Cell[2];

if(status=="Present")

{

string attendstatus="P";

}

 

 when retrieving

 

string status1=dr.getvalue(0).tostring; 

if(status=="P") 

{

datagridview.Rows[i].Cell[2]=  here i need select one of the value from combobox list

as Present 

}