vb.net - Entity framework - Return to list error? -

i got problem - return list entity framework. need return object. here code:

public function gethardwaredetail() list(of hardwaredetailapp)         dim idlist new list(of string)         dim data = (from p in db.tt_hardware select new hardwaredetailapp {.internalnum = p.internal_num, .description = p.description, .terminalmodel = p.hardware_model, .hardwareinternalnum = p.hardware_id, .status = p.isactive, .firmware = nothing, .serialnum = nothing})         if data.count > 0             each row in data                 idlist.add(row.internalnum)             next        end if         dim data2 = (from p in db.tt_terminal_hardware idlist.contains(p.hardware_internal_num)               select new hardwaredetailapp               {.firmware = p.hardware_firmware, .serialnum = p.hardware_serial_num, .internalnum = data.firstordefault.internalnum, .description = data.firstordefault.description, .terminalmodel = data.firstordefault.terminalmodel, .hardwareinternalnum = data.firstordefault.hardwareinternalnum, .status = data.firstordefault.status})         return data2.tolist end function 

this error get:

the type 'hardwaredetailapp' appears in 2 structurally incompatible initializations within single linq entities query. type can initialized in 2 places in same query, if same properties set in both places , properties set in same order.

in code, have created hardwaredetailapp in 2 place, in every creation of must set same property same order.

for example if in linq entity select like:

place1:  ... select new myclass() {     propa: 1, } ... 

and in query need select myclass other properties propb, like:

place2:  ... select new myclass() {     propb: 2, } ... 

you must change select myclass same, , set properties dont need them, default, , set properties in same order like:

place1:  ... select new myclass() {     propa: 1,     propb: default(int), } ... 

and

place2:  ... select new myclass() {     propa: default(int),     propb: 2, } ... 

my codes in c#..

in part of code dim data = (from p in db.tt_hardw .... try set firmware , serialnum @ first second select, (i have not checked other properties carefully)