Throwing mdata undefined error when converting table to datatable

mayurbombale

@foreach (var item in Model.exclusion) { }

Card Number	Account Info	Country Code	Eff Date	Rsn Code	Rsn Description
@item.CardNumber	@item.AccountInfo	@item.CountryCode	@item.EffDate	@item.RsnCode	@item.RsnDescription	@(item.CountryCode != null ? "TB Master" : "HandHeld")

I am using ternary operator and converting table to datatable.When running the application my datatable.js file throwing JavaScript runtime error: Unable to get property 'mData' of undefined or null reference.Please help me with this