Kendo Grid MVC: default filter for string fields is set to "is equal to"

Question

Kendo Grid has default filter for "dt" field "is equal to" with calendar. For "name" field it has default filter "is equal to", but I want to move "Contains" to a first place of an option list and make it default for strings. How could it be implemented?

public class MyClass
{
    public DateTime dt { get; set; }
    public string name { get; set; }
}


@(Html.Kendo()
      .Grid<MyClass>()
      .Name("grid")
      .DataSource(data =>
                  data.Ajax()
                      .ServerOperation(false)
                      .Read(read =>
                            read.Action("MyAction", "MyController"))
      )
      .Columns(cols =>
          {
              cols.Bound(x => x.dt).Title("Date").Width(150);
              cols.Bound(x => x.name).Title("Name").Width(250);
          })
      .Filterable()
      .Sortable())

Answer 1

Take a look at the Filter menu customization demo. It appears you would do something along these lines:

@(Html.Kendo()
      .Grid<MyClass>()
      .Name("grid")
      .DataSource(data =>
                  data.Ajax()
                      .ServerOperation(false)
                      .Read(read =>
                            read.Action("MyAction", "MyController"))
      )
      .Columns(cols =>
          {
              cols.Bound(x => x.dt).Title("Date").Width(150);
              cols.Bound(x => x.name).Title("Name").Width(250);
          })
        .Filterable(filterable => filterable
            .Extra(false)
            .Operators(ops => ops
                .ForString(str => str.Clear()
                    .Contains("Contains")
                    .StartsWith("Starts with")
                    // any other filters you want in there
                    )))
      .Sortable())

If I'm interpreting it correctly, the str.Clear() clears out the filters that exist so you'll be building your own from there. So if you don't think the client needs or wants the .EndsWith filter, for example, you would not include it here.

Answer 2

If you have source code open kendo solution and find class name StringOperators under Kendo.Mvc/UI/Grid/Settings

In Operators = new Dictionary<string, string>() change the order as you wish , reBuild the solution and then overwrite generated file in your project.