how to add custom validation in kendo grid inline editing

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MVC4

ASP.NET4

Kendo

how to add firld validation in inline editing of kendo grid
below is my kendo grid

@(Html.Kendo().Grid(Model)
    .Name("gridLLPType")
    .Columns(columns =>
    {

        columns.Bound(p => p.ProviderType).Title("Type").Width(150);
        columns.Bound(p => p.ProviderTypeName).Title("Type Name").Width(150);
        columns.Bound(o => o.Provider_Type_Status).ClientTemplate("# if( Provider_Type_Status == true) {  # Active #   } else { #  InActive # } #")
            .Filterable(filterable => filterable.Messages(m => m.IsFalse("InActive"))
            .Messages(m => m.IsTrue("Active")))
            .Title("Status").Width(80);
  
            columns.Command(command => command.Edit()).Width(200);
      
    })

    .Editable(editable => editable.Mode(GridEditMode.InLine))
    .Sortable()
    .Scrollable()
     .Filterable(filter =>
                    {

                        filter.Operators(f => f.ForString(o =>
                        {
                            o.Clear();
                            o.Contains("Contains");
                            o.DoesNotContain("Does Not Contain");
                            o.IsEqualTo("Is Equal To");
                            o.IsNotEqualTo("Is Not Equal To");
                            o.StartsWith("Starts With");
                            o.EndsWith("Ends With");
                        }));
                    })
    .DataSource(dataSource => dataSource
        .Ajax()
        // // .PageSize(15)
        .ServerOperation(false)
        .Model(model => model.Id(p => p.Provider_Type))
       //.Events(events => events.RequestEnd("OnRequestEnd_gridLLPType"))
        .Read(read => read.Action("LLPTypeMasterRead", "NewMasterData", new { area = "AreaMasterData" }))
        .Create(update => update.Action("AddLLPProviderType", "NewMasterData", new { area = "AreaMasterData" }))
        .Update(update => update.Action("UpdateLLPProviderType", "NewMasterData", new { area = "AreaMasterData" }))

    )
)

i have to add validation for ProviderTypeName as manadatory field .

please help me ....