using system; using myProject; namespace otherproject { public class MyOtherProject { // I want to access properties and methods of MyProject.DLL here but //like: GetTax getTax = new GetTax(); getTax.ComputeTax(blah....); } }Above gives an error C:\DotNetApps\OtherProject.cs(6): The type or namespace name 'myProject' could not be found (are you missing a using directive or an assembly reference?)