Currently in the grid, there is a drop-down list with foreign key values. However, when I select an item from the list, only the corresponding item ID is displayed instead of its name.
I attempted to follow the instructions outlined in this forum post, but all I am getting is 'undefined' in the grid row. Any suggestions or solutions?
Just a heads up, I am utilizing the free version of Kendo UI where everything operates in JavaScript.
In this version of MVC, a template is not required. Check out the following link for more details:
Suppose you want to display the Product name instead of using ProductID in your Orders table. You would utilize a column like this:
columns.ForeignKey(c => c.ProductID, (IEnumerable)ViewData["Products"], dataFieldText: "ProductName", dataFieldValue: "ProductID");
Make sure that your model contains the foreign key in the Orders model:
[ForeignKey("ProductID")]
public Product FKProduct { get; set; }
Update your controller accordingly:
public class HomeController : Controller {
private NorthwindRepository northwindRepository = new NorthwindRepository();
public ActionResult Index()
{
PopulateProducts();
return View(northwindRepository.OrderDetails);
}
private void PopulateProducts()
{
ViewData["Products"] = northwindRepository.Products;
}
}
After seeking assistance from Telerik, I was able to find a solution that worked. You can view the solution in this JS Bin.
Utilizing a template is essential for this task.
Within your model, add another field that corresponds to the name (make sure to update it with the correct value), then implement a template similar to "#=name#
To begin, create your column in the following manner:
columns.Bound(x => x.ForeignKey).ClientTemplate("#=Name#");
In the Update method within your controller, assign the desired Name property to the view model.
viewModel.Name = GetName(viewModel.ForeignKey);
return this.Json(new[] { viewModel }.ToDataSourceResult(request, this.ModelState));
Update 2: When constructing the grid in JavaScript mode, define the column like so:
{ field: "ForeignKey", title: "Foreign Key", template: '#=Name#', editor: myEditor}
Then, specify your editor as follows:
function myEditor(container, options) {
$('<input required data-text-field="ForeignKeyName" data-value-field="ForeignKey" data-bind="value:' + options.field + '"/>')
.appendTo(container)
.kendoDropDownList({
autoBind: false,
dataSource: myDataSource
});
}
You may still need to set the value accordingly. For server-side execution, follow the method mentioned above. If opting for client-side implementation, handle the grid save event and set the value in the data source there.
I hope this guidance proves beneficial.
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