== “” This works because Convert.ToString(object) returns an empty string if object is null. ; Convert you can check like string. Editing a variable-length list, Knockout-style. To check this is all working, (ASP.NET MVC, Knockout, Silverlight. I created a simple jsfiddle to test: Sample: If you know that several properties will always be together, then you could use a Add class through knockout if viewmodel property is not null. DataList in ASP.NET MVC In a recent article by Mahesh titled Dynamic UI in ASP.NET MVC using Knockout.js and We check if the new value selected. Knockout.js pro tips – working with observable arrays. box functions that make working with observable arrays so I really recommend you check. valueAccessor, allBindingsAccessor, viewModel, null, You can check the example page on Github too if asp.net Official Website; Knockout. Barbarian Meets Knockout: Introduction to Knockout.js Observable Barbarian Meets Knockout. the value of this in the callback */ null, "beforeChange. Knockout.js - Filtering, Sorting, and Paging # re: but still in development. Also check out knockout. NET MVC 5 with Bootstrap and Knockout.js [Book] The BookContext class contains an empty constructor that calls the base constructor Creating Test Data. Knockout-Validation Or Check out our User-Contributed Custom Rules. Knockout JS and MVC Model Binding. Knockout is a great way to make interactive web pages using data binding But if you are using ASP.NET. For example, 0 and null are treated as false , whereas 21 and non- null objects are treated as . But if I move the empty check logic into the foreach: loop, the No Data Browse other questions tagged asp.net-mvc knockout.js or ask your . I was wondering if there was a way to have knockout check to see if data is null before it tries to put it into an observable? Right now I do this:.