Ashx Error
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Parser Error Message Could Not Create Type Webservice
the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Parser Error Message: Could not create type 'xxx' up vote 2 down vote favorite 1 i get this error Parser Error could not create type generic handler Message: Could not create type 'charts.lineChartData'. Source Error: Line 1: <%@ WebHandler Language="C#" CodeBehind="lineChartData.ashx.cs" Class="charts.lineChartData" %> Source File: /WebSiteNetPas/lineChartData.ashx Line: 1 -------------------------------------------------------------------------------- Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.1 in fact i get this error when using fiddler , my original error is : Uncaught ReferenceError: lineChartData is not defined lineChart.js:20 http://localhost/WebSiteNetPas/lineChartData.ashx?proxy 500 (Internal Server Error) here is my lineChartData.ashx.cs : using System; using System.Web; using System.Linq; using System.Collections.Generic; using Newtonsoft.Json.Linq; using System.Web.Script.Serialization; namespace charts { public class lineChartData : IHttpHandler { public void ProcessRequest(HttpContext context) { context.Response.ContentType = "text/plain"; context.Response.Write("Hello World"); } public bool IsReusable { get { return false; } } static string ConvertToJson() { lineChartClass c = new lineChartClass(); double[] json = new double[4]; //Array.Copy(c.piedata(), json, 4); c.piedata().CopyTo(json, 0); List
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Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up asp.net ashx request 404 http://stackoverflow.com/questions/6760489/parser-error-message-could-not-create-type-xxx up vote 5 down vote favorite 1 I am using an ashx request handler to retrieve images and my breakpoint in the ashx file isn't being hit. When I use firebug I can see that the request is returning a 404 which makes me think that I need to configure some setting so that ashx file can be found. I am using visual studio 2008 http://stackoverflow.com/questions/8912463/asp-net-ashx-request-404 and .net 3.5. ASHX file namespace hybrid.content.Handlers { public class DB_Images : IHttpHandler { public void ProcessRequest(HttpContext context) { Int32 image_id; if (context.Request.QueryString["id"] != null) image_id = Convert.ToInt32(context.Request.QueryString["id"]); else throw new ArgumentException("No parameter specified"); context.Response.ContentType = "image/jpeg"; Stream strm = GetImageFromDatabase(image_id); if (strm != null) { byte[] buffer = new byte[4096]; int byteSeq = strm.Read(buffer, 0, 4096); while (byteSeq > 0) { context.Response.OutputStream.Write(buffer, 0, byteSeq); byteSeq = strm.Read(buffer, 0, 4096); } //context.Response.BinaryWrite(buffer); } } public Stream GetImageFromDatabase(int image_id) { SqlConnectionStringBuilder connstr = new SqlConnectionStringBuilder(); //connstr.InitialCatalog = "dummy"; //connstr.UserID = "sa"; //connstr.Password = "password"; //connstr.DataSource = "source"; connstr.InitialCatalog = "smsdb"; connstr.UserID = "user"; connstr.Password = "password"; connstr.DataSource = "10.31.4.79"; SqlConnection conn = new SqlConnection(connstr.ConnectionString); SqlCommand cmd = new SqlCommand(); cmd.Connection = conn; // cmd.CommandText = "select image from cis_images where image_id = @p_image_id"; cmd.CommandText = "select image from test_images where image_id = @p_image_id"; cmd.Parameters.AddWithValue("@p_image_id", image_id); conn.Open(); object img = cmd.ExecuteScalar(); try { return new MemoryStream((byte[])img); } catch { return null; } finally { conn.Close(); conn.Dispose(); } } public bool IsReusable { get { return false; } } } } Page click event protected void Button1_Click(object sender, EventArgs e) { Image1.ImageUrl = "~/DB_Images.ashx?id=" + TextBox1.
into a virtual directory on IIS it will fail with an error similar to the following:Description: An error occurred during the parsing of a resource required to service this request. http://www.andygup.net/running-ashx-files-on-iis-7-windows-7-and-net-4/ Please review the following specific parse error details and modify your source file appropriately.Parser Error Message: Could not create type ‘HealthCheck.health'.There are lots of suggestions on the internet, but the most fundamental fix is hard to find. I know because I’ve run into this problem before and it took me quite a while to figure it out. This time I only wasted a half-an-hour before a little voice in my head reminded me that could not generic handlers created in Visual Studio 2010 require that they be run as an application in IIS.So here’s how you do set up IIS to run the .ashx file as an application:Open Internet Information Services (IIS) ManagerDouble-click on “Application Pools”. If your Default App Pool is not set to v4.0 then double click on it and change the version. If you don’t have v4.0 installed, then you’ll you need to do so. NOTE: could not create if you change this be sure to test your other/older applications to make sure they don’t break. If they do break other apps, then right click below the Application Pool table and create a new, custom app pool using .NET v4.0.Right click “Default Web Site”Select “Add Application”Fill in all the Alias and Physical Path fields. BE SURE to select the correct application pool referenced in step 2!!ExtrasHere’ s a great blog post on how find your .NET version that’s being used: http://www.walkernews.net/2008/05/16/how-to-check-net-framework-version-installed/ .You can also look at the bottom of the Parser Error Message and you’ll see the .NET version there, as well. Author agupPosted on May 2, 2011May 2, 2011Categories IIS, InternetTags .net 4, ashx, handler, iis 7, parser, parser error, virtual directory, visual studio, visual studio 2010, windows 7 1 thought on “Running .ashx files on IIS 7, Windows 7 and .NET 4” Pingback: ASHX file could not create type - running as Application in ISS Express | Technology & ProgrammingComments are closed.Post navigationPrevious Previous post: Hard drive failure doesn’t have to ruin your dayNext Next post: A better way to measure CPU % using Windows, PerformanceCounter and C# Search Search for: Search The Page Not Found BlogAdvanced Web Worker PerformanceApplication Cache is not gone, oh my! Or, is it?Advanced geolocation plugin for Cordova and PhoneGap for AndroidDo