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Error Message Creating AJAX Calendar

I am attempting to create a "From Date" to a "To Date" and I am getting the error message
"Error Creating Control - calfromUnable to create type 'cc1:CalendarExtender'. Could not load file or assembly 'System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified."
when I attempt to add the attached code. I do have the Systems.Web.Extensions reference added to the C# project, and I am still receiving this error message. Could someone help me figure out what would be causing me to receive this error message?

Thank you in advance for everyone's assistance.

 
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="FuelReceiptsResearch._Default" %>
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Fuel Receipt Research</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <table>
                <tr>
                <td colspan="">
                <img alt="" src="images/ta_header.jpg" style="width: 720px; height: 72px" /></td></tr>
        </table>
    
    </div>
    <p></p>
    <p>
    <asp:Literal ID="SiteLiteral" runat="server" Text="Location Number:"></asp:Literal>
    <asp:TextBox ID="SiteTextBox" runat="server" BackColor="White"></asp:TextBox>
    </p>
    
    <p>
    <asp:Literal ID="TotalDollarLiteral" runat="server" Text="Total Dollar Amount:"></asp:Literal>
    <asp:TextBox ID="TotalDollarTextBox" runat="server" BackColor="White"></asp:TextBox>
    </p>
    
    <p>
    <asp:Literal ID="TotalDieselSalesLiteral" runat="server" Text="Total Diesel Sales:"></asp:Literal>
    <asp:TextBox ID="TotalDieselSalesTextBox" runat="server" BackColor="White"></asp:TextBox>
    </p>
    
    <p>
    <asp:Literal ID="TotalDieselGallons" runat="server" Text="Total Diesel Gallons:"></asp:Literal>
    <asp:TextBox ID="TotalDieselGallonsTextBox" runat="server" BackColor="White"></asp:TextBox>
    </p>
    
    <asp:Calendar ID="Calendar1" runat="server"></asp:Calendar>
    <asp:TextBox runat="server" ID="txtfrom" />
    <cc1:CalendarExtender runat="server" ID="calfrom" TargetControlID="txtfrom" />
       <asp:TextBox runat="server" ID="TextBox1" />
    <cc1:CalendarExtender runat="server" ID="calto" TargetControlID="txtto" /> 
    <!--<cc1:Calendar runat="server" TargetControlID="FromDate" Format="MMMM d, yyyy" />
    <cc1:Calendar runat="server" TargetControlID="ToDate" Format="MMMM d, yyyy" />-->
    
    <br />
    <asp:Button ID="Searchbtn" runat="server" Text="Search" 
        onclick="Searchbtn_Click" style="height: 26px" />
    <asp:Button ID="Resetbtn" runat="server" Text="Reset" />
    
    </form>

</body>
</html>

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Source Code References
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thenthorn1010
Asked:
thenthorn1010
  • 2
1 Solution
 
ToddBeaulieuCommented:
See if that assembly is being copied to the bin folder. See if the "copy local" property is to true when you click on the reference and then look at the properties window.

One thing that I find confusing (new to web myself) is that in the web.config, references can be found. I don't know what keeps them in synch, if anything and I have had to mess with it.


<compilation debug="true" targetFramework="4.0">
			<assemblies>
				<add assembly="System.Web.Abstractions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
				<add assembly="System.Web.Helpers, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
				<add assembly="System.Web.Routing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
				<add assembly="System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
				<add assembly="System.Web.WebPages, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
			</assemblies>
		</compilation>

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thenthorn1010Author Commented:
ToddBeaulieu,

Thanks for the quick response...I did check the AjaxControlToolkit properties window, and the "Copy Local" property is set to true.

I am a little bit lost on your reference to the web.config file...do you think that one of the assemblies would be off? (I know I am using .NET 3.5 and you appear to be using .NET 4.0, but the properties for specific assemblies should be similar.)

I have attached a copy of my web.config file, if you see anything that would look off, please let me know.

Thanks again for the help.

 
<?xml version="1.0"?>
<configuration>
	<configSections>
		<sectionGroup name="system.web.extensions" type="System.Web.Configuration.SystemWebExtensionsSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
			<sectionGroup name="scripting" type="System.Web.Configuration.ScriptingSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
				<section name="scriptResourceHandler" type="System.Web.Configuration.ScriptingScriptResourceHandlerSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/>
				<sectionGroup name="webServices" type="System.Web.Configuration.ScriptingWebServicesSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
					<section name="jsonSerialization" type="System.Web.Configuration.ScriptingJsonSerializationSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="Everywhere"/>
					<section name="profileService" type="System.Web.Configuration.ScriptingProfileServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/>
					<section name="authenticationService" type="System.Web.Configuration.ScriptingAuthenticationServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/>
					<section name="roleService" type="System.Web.Configuration.ScriptingRoleServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/>
				</sectionGroup>
			</sectionGroup>
		</sectionGroup>
	</configSections>
  <appSettings file ="C:\Documents and Settings\thenthorn\My Documents\Visual Studio 2008\Projects\FuelReceiptsResearch\appSettings.txt">
   </appSettings>
	<connectionStrings/>
	<system.web>
		<!-- 
            Set compilation debug="true" to insert debugging 
            symbols into the compiled page. Because this 
            affects performance, set this value to true only 
            during development.
        -->
		<compilation debug="true">
			<assemblies>
				<add assembly="System.Core, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
				<add assembly="System.Data.DataSetExtensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
				<add assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
				<add assembly="System.Xml.Linq, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
			</assemblies>
		</compilation>
		<!--
            The <authentication> section enables configuration 
            of the security authentication mode used by 
            ASP.NET to identify an incoming user. 
        -->
		<authentication mode="Windows"/>
		<!--
            The <customErrors> section enables configuration 
            of what to do if/when an unhandled error occurs 
            during the execution of a request. Specifically, 
            it enables developers to configure html error pages 
            to be displayed in place of a error stack trace.

        <customErrors mode="RemoteOnly" defaultRedirect="GenericErrorPage.htm">
            <error statusCode="403" redirect="NoAccess.htm" />
            <error statusCode="404" redirect="FileNotFound.htm" />
        </customErrors>
        -->
		<pages>
			<controls>
				<add tagPrefix="asp" namespace="System.Web.UI" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
				<add tagPrefix="asp" namespace="System.Web.UI.WebControls" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
			</controls>
		</pages>
		<httpHandlers>
			<remove verb="*" path="*.asmx"/>
			<add verb="*" path="*.asmx" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
			<add verb="*" path="*_AppService.axd" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
			<add verb="GET,HEAD" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" validate="false"/>
		</httpHandlers>
		<httpModules>
			<add name="ScriptModule" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
		</httpModules>
	</system.web>
	<system.codedom>
		<compilers>
			<compiler language="c#;cs;csharp" extension=".cs" warningLevel="4" type="Microsoft.CSharp.CSharpCodeProvider, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
				<providerOption name="CompilerVersion" value="v3.5"/>
				<providerOption name="WarnAsError" value="false"/>
			</compiler>
		</compilers>
	</system.codedom>
	<!-- 
        The system.webServer section is required for running ASP.NET AJAX under Internet
        Information Services 7.0.  It is not necessary for previous version of IIS.
    -->
	<system.webServer>
		<validation validateIntegratedModeConfiguration="false"/>
		<modules>
			<remove name="ScriptModule"/>
			<add name="ScriptModule" preCondition="managedHandler" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
		</modules>
		<handlers>
			<remove name="WebServiceHandlerFactory-Integrated"/>
			<remove name="ScriptHandlerFactory"/>
			<remove name="ScriptHandlerFactoryAppServices"/>
			<remove name="ScriptResource"/>
			<add name="ScriptHandlerFactory" verb="*" path="*.asmx" preCondition="integratedMode" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
			<add name="ScriptHandlerFactoryAppServices" verb="*" path="*_AppService.axd" preCondition="integratedMode" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
			<add name="ScriptResource" preCondition="integratedMode" verb="GET,HEAD" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
		</handlers>
	</system.webServer>
	<runtime>
		<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
			<dependentAssembly>
				<assemblyIdentity name="System.Web.Extensions" publicKeyToken="31bf3856ad364e35"/>
				<bindingRedirect oldVersion="1.0.0.0-1.1.0.0" newVersion="3.5.0.0"/>
			</dependentAssembly>
			<dependentAssembly>
				<assemblyIdentity name="System.Web.Extensions.Design" publicKeyToken="31bf3856ad364e35"/>
				<bindingRedirect oldVersion="1.0.0.0-1.1.0.0" newVersion="3.5.0.0"/>
			</dependentAssembly>
		</assemblyBinding>
	</runtime>
</configuration>

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AJAX Toolkit Reference
0
 
Ramkisan JagtapLead DeveloperCommented:
Hi,
Please check with version of reference file you added in project and the version that you have mentioned in the web.config
0
 
thenthorn1010Author Commented:
The issue was being completely caused by the wrong version of the AJAXControlToolkit being installed within my development environment. The most current version of the DLL can be downloaded from the link http://ajaxcontroltoolkit.codeplex.com/releases/view/71000.
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