Web Forms :: Error Message / The Type Or Namespace Could Not Be Found
Feb 15, 2010
I'm very, very new to the asp.net world and I was running through the create the movie db tutorial that is located in the learn asp.net mvc section of this website. Everything is fine until I create my home controller and edit it like on the site. Here is the first part of the code I have that has the error in it:
privateMoviesDBEntities _db = new MoviesDBEntities();
This is all on one line in visual studio but i get an error saying that the type or namespace 'MoviesDBEntities' could not be found (are you missing a using directive or an assembly reference?). I have checked the spelling and I have the using MovieApp.Models; up above so if anyone has any insight that would be great.
I have also tried performing the manager contact sheet tutorial and get the same error in this section of the code.
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Nov 3, 2010
when I put a break point i get this error message:
Error 1 The type or namespace name 'X509Certificate' could not be found (are you missing a using directive or an assembly reference?) D:UsersatttDesktop
fre
etetrtDefault.aspx.cs 7 53 D:...attt
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Jan 29, 2010
Am using asp.net 2.0 (C#) for developing a web site, and am using two .cs files, one for codes to data base manipulation and other for site,user count information. And it is working good in local.But after uploading to the production server it shows a compilation error like the following.
Server Error in '/' Application.
Compilation Error Description: An error occurred during the compilation of a resource required to service this request.
review the following specific error details and modify your source code appropriately.
Compiler Error Message: CS0246: The type or namespace name 'DataManager' could not be found (are you missing a using directive or an assembly reference?
[code]....
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Jan 28, 2011
I started an app in VS2008. I did it as a web site. I installed VS 2010 (yay) today. I wanted to start over as a web project. I made a Master Page. I made content pages. One of my content pages has a form on it. Super simple text boxes and submit.
I added a folder called App_Code and placed my class files there by doing Add New Item and pasting the code into the new class. I have person and persons. The persons collection class references person. In the same folder, the persons class finds the person class. Up one level in a page's code behind, I am gettingthe error
The type or namespace name 'person' could not be found (are you missing a using directive or an assembly reference?)
For giggle, I move person.cs up a folder. Still cannot find the person. Persons collection class still CAN find person. My code behind cannot find it.
A little reading tells me I have to set that folder as an app folder in IIS. I am running Windows 7 ersonal... I cannot find IIS. If not there, I ask myself what they heck is my app running under?
for being such a noob. Anyone know what is going on here?
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Jan 29, 2010
i suddenly started getting this error.
Error 13 The type or namespace name 'DisplayTrackingController' could not be found (are you missing a using directive or an assembly reference?) c:WINDOWSMicrosoft.NETFrameworkv2.0.50727Temporary ASP.NET Files emp773b35cbe8ac7005App_Web_wzekhp-n.0.cs 190 People
Although I have deleted this file from my project. why I am getting this error? and what is this file
App_Web_wzekhp-n.0.cs
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Mar 4, 2010
i m developing an application in which i need to capture image via webcam and storing in db.
but i found Error the type or namespace name 'CaptureSource' could be found(are you missing a using directive assembly reference ) ,when i want to use it.i got this code and video from silverlight website
i try both visual studio 2010 and blend 3 still same error
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May 7, 2015
i have used an ASP.Net C# web application to post image on facebook.for that i have used "aspsnippets.facebookapi.dll"
everything is working fine while execute from local server.but when i upload my code in server and run
it says error like "The type or namespace name 'ASPSnippets' could not be found (are you missing a using directive or an assembly reference?)"
but i have added Dll reference in my page likeÂ
Â
using ASPSnippets.FaceBookAPI;
how to solve this issue.
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Feb 22, 2014
I just upload my website to godaddy server and i am having an error.
The error is:Â The type or namespace name 'RssFeedClass' could not be found (are you missing a using directive or an assembly reference?).
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Nov 18, 2010
I am following this article to create and I am wiriung up the Web.config file. when I get the following message:
[Code]....
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Sep 28, 2010
I was reading: [URL]
But I have give a compilation error:
CS0246: The type or namespace name 'DataTable' could not be found (are you missing a using directive or an assembly reference?
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Apr 22, 2010
I'm working on a winform application and keep running in to this error:-
Error 1 The type or namespace name 'DateItem' could not be found (are you missing a using directive or an assembly reference?)
I've added the reference System.Data to the top of the page and the Component.
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Sep 16, 2010
I had a working vs2008 web project that I needed to convert to a web application. After copying all my pages and user code into my new web solution, I am unable to compile the solution because it is not detecting the original namespace (Lead) that I was using in the web project (see error below). Error 9 The type or namespace name 'Lead' could not be found (are you missing a using directive or an assembly reference?) C:Documents and SettingsasnakbeMy DocumentsVisual Studio 2008ProjectsSLMSSLMSleads.aspx.cs 12 5 SLMS
I even tried changing the namespace to a different one, did clean/build the project, etc. but that all didn't help. Can someone let me know what I could be missing here?
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Mar 24, 2011
'm getting the following error when adding a schema reference tothe schema library.
The type or namespace name 'ActiveDocument' could not be found (are you missing a using directive or an assembly reference?)
ActiveDocument.XMLSchemaReferences.Add _
NamespaceURI:="myCompany.schemas.com.sales_order", _
Alias:="mCsO", _
FileName:="C: empsales_order.xsd", _
InstallForAllUsers:=True
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May 24, 2012
i have follwing  error in iTextSharp program
Error1The type or namespace name 'iTextSharp' could not be found (are you missing a using directive or an assembly reference?)D:print html data to pdfDefault.aspx.cs117D:print html data to pdf
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Dec 2, 2010
I have class library named n.project. I have a method inside that class library. I changed the name of the class and also namespace of the class. Below is the Code. I changed the name of namespace to InputValueValidator and class to valuevalidator. Now I add the class libarry dll n.project to a web project and when i try to reference n.project in my web project, I get an error saying that " the type or namespace name n could not be found"
I am not sure what am I doing wrong. I have refernce projects several times in the past. this is the first time, i am getting an error.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace InputValueValidator
{
public static class ValueValidator
{
public static bool StringLengthBetween(string input, int min, int max)
{
if (input == null)
{
return false;
}
else
{
if (input.Length >= min && input.Length <= max)
{
return true;
}
else
{
return false;
}
}
}
}
code
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Sep 23, 2012
I use this code in my page
protected void Button1_Click(object sender, EventArgs e) {
string url = "page2.aspx";
StringBuilder sb = new StringBuilder();
sb.Append("<script type = 'text/javascript'>");
sb.Append("window.open('");
sb.Append(url);
sb.Append("');");
sb.Append("</script>");
ClientScript.RegisterStartupScript(this.GetType(),
"script", sb.ToString());
}Â
but this error occurÂ
Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately. Compiler Error Message: CS0246: The type or namespace name 'StringBuilder' could not be found (are you missing a using directive or an assembly reference?)Source Error:
Line 145: {
Line 146: string url = "page2.aspx";
Line 147: StringBuilder sb = new StringBuilder();
Line 148: sb.Append("<script type = 'text/javascript'>");
Line 149: sb.Append("window.open('");
how i can solve it?
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Mar 8, 2011
i am trying to write a gridview to an excell file, but i get the error: The type or namespace name 'StringWriter' could not be found (are you missing a using directive or an assembly reference?)
my code is:
protected void Button1_Click(object sender, EventArgs e)
{
//Clear content of buffer stream
Response.Clear();
//Set the type and filename
Response.AddHeader("TITLE", "TITLE.xls");
Response.Charset = "iso-8859-2";
Response.ContentType = "application/vnd.xls";
// Add the HTML from the GridView to a StringWriter to write it out later
StringWriter sw = new StringWriter();HtmlTextWriter htw = new HtmlTextWriter(sw);
GridView1.RenderControl(htw);
//Write out the data
Response.Write(sw.ToString());
Response.End();
}
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May 26, 2010
I know that this sounds like a simple referencing problem from the title this is becoming a nightmare!I have a code class that uses the "iAnywhere.Data.AsaClient.dll". This Dll is referenced in the project and in the code class I have added this dll in the Using section.Everything seems fine at build with no errors at all but when I go to run the application it comes up with the following Compilation Error: Compiler Error Message: CS0246: The type or namespace name 'iAnywhere' could not be found (are you missing a using directive or an assembly reference?)The line that the Error points to this line in the class:using iAnywhere.Data.AsaClient;I have set the dll to copy local and it makes no difference, the Dll is installed on my PC so is in the GAC, I use this Dll with many other C# projects and have no problems.I have scoured Google looking for an answer and haven't found anything that points me to an answer to my problem.
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Jul 23, 2010
CatagoriesController.cs
sing System;using System.Linq;using System.Web.Mvc;using ProductSystem.Models;using ProductSystem.ViewModels; namespace ProductSystem.Controllers{ public class CatagoriesController : Controller {
public ActionResult Create() { var viewModel = new CatagoriesCreateViewModel { Product_Catagories = new Product_Catagories()
[code]...
"The Type or namespace name 'Manufacturers' Could not be found......
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Mar 29, 2010
I am following the tut here[URL]
[Code]....
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Apr 4, 2011
The type or namespace name 'XmlConfigurator' could not be found (are you missing a using directive or an assembly reference?)
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May 21, 2010
I am developing a VS 2008 web application in C#. I am trying to include a namespace that is stored in one of my folders. So instead of:
using ADONET_namespace
it is stored in "Admins" folder. How do I modify this aspx.cs file to include Admins/ADONET_namespace?
Currently I get following error from aspx.cs file:
The type or namespace name 'ADONET_namespace' could not be found (are you missing a using directive or an assembly reference?)
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Jan 11, 2011
I am getting a strange error over one site vs another. I have created a chart web site that works, but now I'm moving that code into an existing website. I'm getting this error (see title) and cannot figure out why. The references are the same and I have the using directives the same (as far as I can tell). I'm stumped.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.DataVisualization.Charting;
using System.Data.SqlClient;
using System.Drawing;
using System.Data;
...
Charting.Title vbTitle = new Charting.Title( ddlSchool.SelectedItem.Text.ToString() + " Logins per Hour" );
...
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Jun 14, 2010
I have downloaded Json.net dll from http://json.codeplex.com/releases/view/43775. I extracted asp.net 2.0 dll and copied into my application bin folder under applicationin folder in inetpubwwwroot.Then I added json refrence in inline aspx code page as<%@ Import Namespace="Newtonsoft.Json" %>Now whenever I try to run my aspx page, it gives me following errorThe type or namespace name 'Newtonsoft' could not be found (are you missing a using directive or an assembly reference?) at System.Web.Compilation.AssemblyBuilder.Compile()
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Jul 30, 2014
I have error in vs 2012
The type or namespace name 'CrystalDecisions' could not be found (are you missing a using directive or an assembly reference?)
Error 18 The type or namespace name 'ReportDocument' could not be found (are you missing a using directive or an assembly reference?)
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