Access resx resource files from another project

Resource expressions (<%$ Resources: ClassKey, ResourceKey %>) use ResourceExpressionBuilder class behind the scene. This class can lookup global and local resources only (in website's App_GlobalResources and App_LocalResources folders).

Instead, you can use CodeExpressionBuilder class to access resources from different project. Here's how to use it.

Add CodeExpressionBuilder class to App_Code folder:

using System.CodeDom;using System.Web.Compilation;using System.Web.UI;[ExpressionPrefix("Code")]public class CodeExpressionBuilder : ExpressionBuilder{   public override CodeExpression GetCodeExpression(BoundPropertyEntry entry,      object parsedData, ExpressionBuilderContext context)   {      return new CodeSnippetExpression(entry.Expression);   }}

Add the following to system.web/compilation section in web.config:

<compilation debug="false">   ...   <expressionBuilders>      <add expressionPrefix="Code" type="CodeExpressionBuilder"/>   </expressionBuilders></compilation>

Finally, you can call into strongly-typed class generated for your .resx file:

<asp:Label ID="Label1" runat="server" Text="<%$ Code: ClassLibrary1.Resource1.String1 %>" />

Not sure if this will solve your problem but have you looked at the HttpContext.GetGlobalResourceObject method?

I've used it to access resources in the web project, from class libraries in a framework project - so perhaps you will have luck in using it the other way around.