c# - The type name 'UserDetailsDataRow' doesn't exist in the type 'UserDetails' -


i new c# , using vs2010. when try this: 

userdetailstableadapters.userdetailstableadapter userdetails = new userdetailstableadapters.userdetailstableadapter(); userdetails.userdetailsdatatable logindetailstable = userdetails.getdata(); userdetails.userdetailsdatarow datarow = null;

i error

"the type name 'userdetailsdatarow' doesn't exist in type 'userdetails'"

i have included using system.data; ideas might causing issue , how resolve ?

edit: userdetails data set. have table adapter access database file. trying accomplish go through set of existing users , @ later stage compare 1 of values check if exists. idea row , compare 1 of columns local variable matches.


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