The call is ambiguous between single method i.e extension method

Question

I have an extension method like

public static class Extension
{
    public static string GetTLD(this string str)
    {
        var host = new System.Uri(str).Hos         


        

Answer 1

My issue was similar to what shashwat describes. In my case I put the code file in the App_Code dir, but in order to get intellisense, I set the file itself to compile which likely means that the file was getting compiled at both runtime and compile time. I just moved the file out of App_Code.