The following example shows how to set the complex column as foreign key column.
In the following example, Employee.EmployeeID is a complex column and also declared as a foreign column which shows FirstName column from foreign data.
@Html.EJS().Grid("ForeignKey").DataSource((IEnumerable<object>)ViewBag.DataSource).Columns(col =>
{
col.Field("OrderID").HeaderText("Order ID").Width("120").TextAlign(Syncfusion.EJ2.Grids.TextAlign.Right).Add();
col.Field("Employee.EmployeeID").ForeignKeyField("EmployeeID").ForeignKeyValue("FirstName").DataSource((IEnumerable<object>)ViewBag.foreign).HeaderText("Employee Name").Width("150").Add();
col.Field("Freight").HeaderText("Freight").Width("120").Format("C2").TextAlign(Syncfusion.EJ2.Grids.TextAlign.Right).Add();
col.Field("ShipName").HeaderText("Ship Name").Width("150").Add();
}).Render()public IActionResult DefaultExporting()
{
var order = OrdersDetails.GetAllRecords();
ViewBag.DataSource = order;
var emp = EmployeeView.GetAllRecords();
ViewBag.foreign = emp;
return View();
}