ASP MVC + WCF

[Wandelson]

Hi,

We are designing an application using ASP MVC , Fluent NHibernate and Kendo UI.
The client now has a requirement to abstract the datalayer(Entity Framework) using plane WCF service(notWCF 

 

 

 

[Wandelson]

"Error while trying to deserialize the parameter http://www.nobre.com.br/:request The InnerException message was 'Type' Kendo.Mvc.FilterDescriptor 'with data contract name' FilterDescriptor:. Http: / /schemas.datacontract.org/2004/07/Kendo.Mvc 'is not expected to consider the use of DataContractResolver or add some types not known statically to the list of known types -. for example, using the KnownTypeAttribute attribute or adding them to the list of known types passed to the DataContractSerializer. '. See InnerException for more details. "}

[Boyan Dimitrov]

Hello Wandelson,

In order to avoid any issues with serialization/deserialization of the DataSourceRequest object ( if it is sent to the data access layer) I would recommend to parse manually the DataSourceRequest object to custom class that holds the state parameters as int and string types and use that object in the data access layer: 

public class DataSourceState
{
    public int PageSize { get; set; }
    public int Page { get; set; }
    public string Filter { get; set; }
    public string Sort { get; set; }
    public string Group { get; set; }
    public string Aggregate { get; set; }

    public DataSourceRequest DataSourceRequest
    {
        get
        {
            var request = new DataSourceRequest()
            {
                Page = Page,
                PageSize = PageSize
            };

            if (!string.IsNullOrEmpty(Filter))
            {
                request.Filters = FilterDescriptorFactory.Create(Filter);
            }
            if (!string.IsNullOrEmpty(Sort))
            {
                request.Sorts = GridDescriptorSerializer.Deserialize<SortDescriptor>(Sort);
            }

            if (!string.IsNullOrEmpty(Group))
            {
                request.Groups = GridDescriptorSerializer.Deserialize<GroupDescriptor>(Group);
            }

            if (!string.IsNullOrEmpty(Aggregate))
            {
                request.Aggregates = GridDescriptorSerializer.Deserialize<AggregateDescriptor>(Aggregate);
            }
            return request;
        }
    }
}

 

 

Regards,
Boyan Dimitrov
Telerik