Re: [SolrNet] Asp.net MVC 4 and SolrNet begining with simple query

[Mauricio Scheffer]

Hi Daniel,

You don't need all those NuGet packages, they just integrate SolrNet with other libraries. SolrNet.StructureMap integrates SolrNet with StructureMap, and so on.

As explained in https://github.com/mausch/SolrNet/blob/master/Documentation/README.md#downloads , it's currently recommended to get the latest binaries directly from the build server instead.

As explained in https://github.com/mausch/SolrNet/blob/master/Documentation/Initialization.md , Startup.Init should be called at application startup. You'll get an error if you run this in each request.

As explained in https://github.com/mausch/SolrNet/blob/master/Documentation/Fluent-API.md#querying , the static "Solr.Query<T>(...)" is deprecated, I don't recommend using it.

I recommend using the sample web application ( https://github.com/mausch/SolrNet/blob/master/Documentation/Sample-application.md ) for guidance for your own application.

Also check out the FAQ ( https://github.com/mausch/SolrNet/blob/master/Documentation/FAQ.md ) for some common mistakes when starting out with Solr and SolrNet.

Cheers,

Mauricio

On Tue, Apr 1, 2014 at 5:47 AM, Daniel K. Rudolf <daniel....@gmail.com> wrote:

Hello to all, I am new in SolrNet and I whant to built web application that shows some results from Solr, and I have some trouble to do it.

Ok, let's go. I whant to create web application with asp.net MVC 4 that shows (query) all "customer" from my Solr.

First I have open new Visual Studio 2012 project for MVC 4 - Empty solution and name it TestSolr.

Second I have tru Package Manager Console instal next packages:

• SolrNet (core library)
  
• SolrNet.Windsor
  
• SolrNet.StructureMap
  
• SolrNet.Ninject
  
• SolrNet.Unity
  
• SolrNet.Autofac
  
• SolrNet.NHibernate
  

Third I have create new Models and name it "Poskus" and write code below:

using SolrNet.Attributes;

namespace TestSolr.Models

{

    public class Poskus

    {

        [SolrField("customer")]

        public string Customer { get; set; }

    }

}

Forth I have create new Controller with name "PoskusSolrController" and write code below:

using System.Web.Mvc;

using SolrNet;

using SolrNet.DSL;

using TestSolr.Models;

namespace TestSolr.Controllers

{

    public class PoskusSolrController : Controller

    {

        //

        // GET: /PoskusSolr/

        

        public ActionResult Index()

        {

            Startup.Init<Poskus>("http://servicemix01...msglog_pilot");

            var pos1 = Solr.Query<Poskus>(new SolrQueryByField("name", "customer"));

            return View(pos1);

        }

    }

}

Fifth I have create View with name "Index" and write code below:

@model IQueryable<TestSolr.Models.Poskus>

@{

    ViewBag.Title = "Index";

}

<h2>Index</h2>

@foreach (var item in Model)

{

    <div>

        <div>@item.Customer</div>

    </div>

}

-----------------------

Now, this code is not working correctly. The error pops up in this line of code: var pos1 = Solr.Query<Poskus>(new SolrQueryByField("name", "customer")); the error is: NullReferenceException was unhandled by code. 

Realy need help here, some sugestions, links, similar experience... realy thanks for help,

Daniel 

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[Daniel K. Rudolf]

Hi, Mauricio,

I very much appreciate your help. 

Cheers, Daniel

[Daniel K. Rudolf]

Hi, again,

So if I understand correctly in this line of code:

private static readonly string solrURL = ConfigurationManager.AppSettings["solrUrl ... <= here I put url of "http://servicemix..."]; <= tis line


        protected void Application_Start() {
            XmlConfigurator.ConfigureAndWatch(new FileInfo(Path.Combine(Server.MapPath("/"), "log4net.config")));


            RegisterRoutes(RouteTable.Routes);


            var connection = new SolrConnection(solrURL);
            var loggingConnection = new LoggingConnection(connection);
            Startup.Init<Product>(loggingConnection);
        }

[Mauricio Scheffer]

See http://stackoverflow.com/questions/7069911/how-to-use-the-configurationmanager-appsettings .

Please ask any generic questions about .NET in Stackoverflow or other similar forums. This mailing list is for questions about SolrNet.

Cheers

--

Mauricio