important parts of a C# scripting setup

CsScripting

using Microsoft.CSharp;
using System.CodeDom.Compiler;
using System.Reflection;

namespace MyGameNamespace
{
    public class ScriptManager 
    {
        const string SCRIPT_PATH = "Scripts/";
        CodeDomProvider codeProvider;
        CompilerParameters compilerParams;

        private void SetUpCompiler()
        {
            codeProvider = new CSharpCodeProvider();
            compilerParams = new CompilerParameters();

            // compiler settings
            compilerParams.CompilerOptions = "/target:library";
            compilerParams.GenerateExecutable = false;
            compilerParams.GenerateInMemory = true;
            compilerParams.IncludeDebugInformation = false;

            // find libraries on local system
            string path;
            path = Assembly.GetAssembly(typeof(Microsoft.Xna.Framework.Game)).Location;
            compilerParams.ReferencedAssemblies.Add(path);
            compilerParams.ReferencedAssemblies.Add("MyGame.exe");
        }

 public Script LoadScript(string scriptName)
        {
            Script newScript = new Script();
            TextReader textReader = new StreamReader(SCRIPT_PATH + scriptName);

            try
            {
                // load script text
                string scriptText;
                scriptText = textReader.ReadToEnd();
                textReader.Close();

                // compile into Script object
                CompilerResults result = codeProvider.CompileAssemblyFromSource(compilerParams, scriptText);
                if (!result.Errors.HasErrors)
                {
                    // get full name of the compiled object
                    string fullName = "";
                    foreach (Type t in result.CompiledAssembly.GetTypes())
                    {
                        fullName = t.FullName;
                    }

                    // if there are no errors, make an instance of the new script object
                    Type type = result.CompiledAssembly.GetType(fullName);
                    newScript = Activator.CreateInstance(type) as Script;
                }
                else
                {
                    // print compiler errors 
                    string errors = "";
                    foreach (CompilerError ce in result.Errors)
                    {
                        errors += ce.ToString() + Environment.NewLine + Environment.NewLine;
                    }
                    MessageBox.Show("Compiler error: " + Environment.NewLine + errors);
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show("Script loading error: " + Environment.NewLine + ex.Message);
            }
            finally
            {
                textReader.Close();
            }
            return newScript;
        }
    }
}