protected void Page_Load(object sender, EventArgs e) { if (!Page.IsPostBack) { GetSpecificCustomer(); } } private void GetSpecificCustomer() { using (var ctx = new northwindContext()) { var query = ctx.Customers.Include("CustomerID").Take(3); grdEmployees.DataSource = query; grdEmployees.DataBind(); /* =>(NotSupportedException was unhandled by user code(Data binding directly to a store query (DbSet, DbQuery, DbSqlQuery) is not supported. Instead populate a DbSet with data, for example by calling Load on the DbSet, and then bind to local data. For WPF bind to DbSet.Local. For WinForms bind to DbSet.Local.ToBindingList().) */ } }
var
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