I didn't realize you were using different projects. When that is the case, you do need to reference the project you need to access classes in. That is the way your current project knows where to look. Glad it's working.

>Thank you, this worked, but only after I added the second project into project1 as a reference.
>
>Thanks,
>
>Jerryt
>
>
>>You need to use "using namespace1;" in top of your .cs file
>>
>>

>>using System;
>>using namespace1;
>>
>>public class myclass2
>>{
>>
>>public static void Main ()
>>{
>>/// Access any exposed methods or properties of myclass1 like
>>myclass1 obj = new myclass1();
>>obj.mymethod();
>>}
>>
>>}
>>

>>
>>>Using C#.
>>>
>>>How can I access another class in a different .cs file.
>>>
>>>For example, how can I get myclass2 in namespace2 to access something in myclass1 namespace1?
>>>
>>>////////////////////////////////
>>>//one.cs
>>>using System;
>>>
>>>namespace namespace1
>>>public class myclass1
>>>{
>>> public string mystring = ""
>>>}
>>>////////////////////////////////
>>>
>>>////////////////////////////////
>>>//two.cs
>>>using System;
>>>
>>>namespace namespace2
>>>public class myclass2
>>>{
>>>
>>>public static void Main ()
>>>{
>>>///Access namespace1.myclass1 in one.cs here.
>>>}
>>>
>>>}
>>>////////////////////////////////