[Solved] hasChanges() not available unless SubmitChanges() toolbar used.

[IT]

I have the following bound to the OnDataBinding event of a grid to check if changes have been saved before refreshing:-

function OnDataBinding(e) {
    var grid = $(this).data("tGrid");

    if (grid.hasChanges()) {
        if (!confirm("You are going to lose any unsaved changes. Are you sure?")) {
            e.preventDefault();
        }
    }
}

If I create a grid with the following ToolBar, it works fine:-

.ToolBar(commands =>
{
    commands.SubmitChanges();
})

However if I use a template (so I can include other things in the tool bar):-

.ToolBar(commands =>
{
    commands.Template(@<text>
        <a class="t-button t-grid-save-changes" href="#">Save Changes</a>
        <a class="t-button t-grid-cancel-changes" href="#">Cancel Changes</a>
        @Html.ActionLink("Commit", "Commit", new { id = Model.Id }, new { @id = "buttonCommit", @class = "t-button", @style = "display: none;" })
    </text>);
})

I get a "Object doesn't support this property or method" error on grid.hasChanges(), despite the grid working fine, and the save/cancel changes buttons working as expected.

Is there something in the ToolBar SubmitChanges() extension that adds the hasChanges method to the grid?

[Nohinn]

The hasChanges function will call to the grid changeLog.dirty() function, this changeLog property will be null unless you enable edition mode InCell.

[Atanas Korchev]

Hi Nohinn,

 This is probably caused by a problem which we recently fixed. You can try downloading the latest internal build where everything should work.

Regards,
Atanas Korchev
the Telerik team

[IT]

Thanks for your reply Hohinn.

Irrespective of whether changeLog.dirty() is null, the hasChanges function itself is null in this instance... i.e. hasn't been defined(?)

I should have clarified in my post, but I am using InCell mode, which I mentioned was working (I didn't think I could have SubmitChanges without InCell?)

To summarise the issue:- When in InCell edit mode, the hasChanges function is not defined/available if a ToolBar template is used instead of the standard SubmitChanges button.

I'll take Atanas' direction on this and test with the next build...