how to bind gridview using Nhibernate

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C#

ASP.NET

NHibernate

I am using Nhibernate with asp.net

i have got data using HQL in Ilist

but when i bind Ilist with gridview

I gives me error "customername" field not foung in selected datasiurce

althoug i define column in gridview and there is a column with same name

My confusion is

when i decalare Ilist what should be it type


i mean i have 2 classes
1) Customer 2) City

i have got data from database by using this Query

"SELECT ct.Cityname,cust.CustomerName,cust.Gender FROM City as ct,Customers as cust where ct.Cityid=cust.Cityid"

means

2 different table

so what should be ilist type
(eg)

IList<city> Lst = new List<city>();

OR

IList<cusomer> Lst = new List<cusomer>();

and how to bind it with gridview

thanks