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POcast problem from class to interface
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  1. POcast problem from class to interface
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    copied!<pre><code>Assembly assembly = Assembly.LoadFrom("Logic\\bin\\Debug\\Logic.dll"); Type queryManagerType = assembly.GetType("Logic." + HttpContext.Current.Session["lang_name"] + "SearchQueryManager"); var queryManager = (ISearchQueryManager)Activator.CreateInstance(queryManagerType); public interface ISearchQueryManager { IList&lt;Advertisements&gt; ApplyQueries(string searchQuery, int page, int pageSize, string orderBy, out int count); } public class SlovenianSearchQueryManager : ISearchQueryManager { ... } </code></pre> <p>but i get </p> <p>Unable to cast object of type 'Logic.SlovenianSearchQueryManager' to type 'Logic.ISearchQueryManager'.</p> <p>EDIT: whole stacktrace</p> <blockquote> <p>System.InvalidCastException was unhandled by user code<br> Message="Unable to cast object of type 'Logic.SlovenianSearchQueryManager' to type 'Logic.ISearchQueryManager'."<br> Source="ViaMura.Web.Module"<br> StackTrace: at ViaMura.Web.Module.WebController.GetAdvertismentsByRawQuery(String rawQuery, Int32 page, Int32 pageSize, String orderBy, Int32&amp; count) in D:\PROJEKTI\crawler\WebCrawlerSuite\ViaMura.Web.Module\WebController.cs:line 32 at ViaMura.Web.Module.Views.SearchResultsPresenter.OnResultsLoad(Int32 page, Int32 pageSize, String orderBy) in D:\PROJEKTI\crawler\WebCrawlerSuite\ViaMura.Web.Module\Views\SearchResultsPresenter.cs:line 43 at ViaMura.Web.SearchResults.SearchAdvertisments() in D:\PROJEKTI\crawler\WebCrawlerSuite\ViaMura.Web\SearchResults.aspx.cs:line 155 at ViaMura.Web.SearchResults.Page_Load(Object sender, EventArgs e) in D:\PROJEKTI\crawler\WebCrawlerSuite\ViaMura.Web\SearchResults.aspx.cs:line 149 at System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) at System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) at System.Web.UI.Control.OnLoad(EventArgs e) at ViaMura.Web.App_Code.PageControllers.BasePage.OnLoad(EventArgs e) in D:\PROJEKTI\crawler\WebCrawlerSuite\ViaMura.Web\App_Code\PageControllers\BasePage.cs:line 89 at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)<br> InnerException:</p> </blockquote> <p>EDIT2:</p> <pre><code>string a1 = typeof (ISearchQueryManager).Assembly.Location; string a2 = typeof(SlovenianSearchQueryManager).Assembly.Location </code></pre> <p>give me the same result:</p> <blockquote> <p>C:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\5438a399\53975f83\assembly\dl3\0f9540b5\15407fe2_5db7cb01\Logic.DLL</p> </blockquote> <p>but </p> <pre><code>string a3 = queryManagerType.Assembly.Location; </code></pre> <p>gives me different path:</p> <blockquote> <p>D:\PROJEKTI\crawler\WebCrawlerSuite\WebCrawler.Logic\bin\Debug\WebCrawler.Logic.dll</p> </blockquote>
 

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