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copied!<p>Alas, C# is not a dynamic language in that way. You can't really do this easily, and if it's really something you need to do, consider using a .Net language more in line with your needs, like IronPython or IronRuby.</p> <p>Your best available alternative is to use the CodeDom namespace, as this truly convoluted and heinous example from <a href="http://social.msdn.microsoft.com/forums/en-US/csharpgeneral/thread/6a783cc4-bb54-4fec-b504-f9b1ed786b54/" rel="nofollow noreferrer">this forum thread</a> shows:</p> <pre><code>using System; using System.CodeDom; using System.CodeDom.Compiler; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Diagnostics; using System.Drawing; using System.Linq; using System.Reflection; using System.Reflection.Emit; using System.Text; using System.Windows.Forms; namespace TestApp { public partial class Form1 : Form { public Form1() { InitializeComponent(); } SampleLib.SampleType test = new SampleLib.SampleType(); private void button1_Click(object sender, EventArgs e) { // Dynamically build and call the method label1.Text = test.MyText; } private void button2_Click(object sender, EventArgs e) { StringBuilder DynamicCode = new StringBuilder(); DynamicCode.Append("namespace TestDynamic"); DynamicCode.Append("{"); DynamicCode.Append("public class DynamicCode"); DynamicCode.Append("{"); DynamicCode.Append("public static void EditText(SampleLib.SampleType t)"); DynamicCode.Append("{"); DynamicCode.Append("t.MyText = \"Goodbye!\";"); DynamicCode.Append("}"); DynamicCode.Append("}"); DynamicCode.Append("}"); string CodeString = DynamicCode.ToString(); System.IO.FileInfo fi = new System.IO.FileInfo(Application.ExecutablePath); CodeDomProvider provider = CodeDomProvider.CreateProvider("C#"); CompilerParameters CompileParams = new CompilerParameters(new string[] { fi.DirectoryName + "\\SampleLib.dll" }, fi.DirectoryName + "\\Dynamic.dll"); CompileParams.MainClass = "DynamicCode"; CompileParams.GenerateExecutable = false; //CompileParams.GenerateInMemory = true; CompilerResults r = provider.CompileAssemblyFromSource(CompileParams, new string[] {CodeString}); foreach (CompilerError er in r.Errors) { Console.WriteLine(er.ErrorText); } } private void button3_Click(object sender, EventArgs e) { // Dynamically call assembly System.IO.FileInfo fi = new System.IO.FileInfo(Application.ExecutablePath); Assembly dynAsm = Assembly.LoadFile(fi.DirectoryName + "\\Dynamic.dll"); if (dynAsm != null) { object o = dynAsm.CreateInstance("TestDynamic.DynamicCode", true); Type t = dynAsm.GetType("TestDynamic.DynamicCode"); t.GetMethod("EditText").Invoke(o, new object[]{test}); } } } } </code></pre>

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