Kendo Grid MVC - DataSource Error

Randy Minder

I'm just starting to learn Kendo UI MVC and am running across the following issue. Here is my code:

@(Html.Kendo().Grid<JeffreysOnline.Entities.Customer>()
    .Name("grid")
    .Columns(columns =>
    {
        columns.Bound(p => p.FirstName);
        columns.Bound(p => p.LastName);
        columns.Bound(p => p.Address);
        columns.Command(command => { command.Edit(); command.Destroy(); }).Width(250);
    })
    .ToolBar(toolbar => toolbar.Create())
    .Editable(editable => editable.Mode(GridEditMode.InLine))
    .Pageable()
    .Sortable()
    .Scrollable()
    .HtmlAttributes(new { style = "height:550px;" })
    .DataSource(dataSource => dataSource
        .Ajax()
        .PageSize(20)
        .Events(events => events.Error("error_handler"))
        .Model(model => model.Id(p => p.ProductID))
        .Create(update => update.Action("EditingInline_Create", "Grid"))
        .Read(read => read.Action("EditingInline_Read", "Grid"))
        .Update(update => update.Action("EditingInline_Update", "Grid"))
        .Destroy(update => update.Action("EditingInline_Destroy", "Grid"))
    )
)

I'm getting the following error, with line 23 highlighted.

Compiler Error Message: CS1660: Cannot convert lambda expression to type 'string' because it is not a delegate type

Line 21:     .Scrollable()
Line 22:     .HtmlAttributes(new { style = "height:550px;" })
Line 23:     .DataSource(dataSource => dataSource
Line 24:         .Ajax()
Line 25:         .PageSize(20)

It appears it doesn't like 'dataSource' but I have no clue what it would be expecting.

Dinglemeyer NeverGonnaGiveUUp

If ProductId is not a property of your model, this may be causing the error.

It appears you took the example almost directly from telerik's inline editing tutorial page at: http://demos.telerik.com/aspnet-mvc/grid/editing-inline, so try adjusting the column this is pointing to for your Model within the data source. like so:

 .DataSource(dataSource => dataSource
        .Ajax()
        .PageSize(20)
        .Events(events => events.Error("error_handler"))
        .Model(model => model.Id(p => p.RandyMindersActualIdColumnProperty)) // Here is the change
        .Create(update => update.Action("EditingInline_Create", "Grid"))
        .Read(read => read.Action("EditingInline_Read", "Grid"))
        .Update(update => update.Action("EditingInline_Update", "Grid"))
        .Destroy(update => update.Action("EditingInline_Destroy", "Grid"))
    )

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