ASP.NET

<br />
<authentication mode="Forms"><br />
			<forms<br />
    name="SomeWebApp"<br />
    loginUrl="LoginForm.aspx"<br />
    protection="All"<br />
    timeout="30"<br />
    path="/" /><br />
		</authentication><br />
		<br />
		<identity impersonate = "true"<br />
       userName = "MyBox\WEBAPPUSER"<br />
       password = "pwd"/><br />
<br />
<br />
		<authorization><br />
			<deny users="?" /><br />
		</authorization><br />

<br />
[FileLoadException: Could not load file or assembly 'Castle.Core' or one of its dependencies. Access is denied.]<br />
[FileLoadException: Could not load file or assembly 'Castle.Core, Version=1.0.3.0, Culture=neutral, PublicKeyToken=407dd0808d44fbdc' or one of its dependencies. Access is denied.]<br />
   System.Reflection.Assembly._nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, Assembly locationHint, StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean forIntrospection) +0<br />
   System.Reflection.Assembly.nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, Assembly locationHint, StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean forIntrospection) +43<br />
   System.Reflection.Assembly.InternalLoad(AssemblyName assemblyRef, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection) +127<br />
   System.Reflection.Assembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection) +142<br />
   System.Reflection.Assembly.Load(String assemblyString) +28<br />
   System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String assemblyName, Boolean starDirective) +46<br />

DataTable dt = new DataTable();   
DataRow myNewRow;   
myNewRow = dt.NewRow();   
myNewRow[0] = 1;   
myNewRow[1] = "johndoe" ;   
dt.Rows.Add(myNewRow);  

string strPath = "Software\\Microsoft\\Internet Explorer\\PageSetup";
Microsoft.Win32.RegistryKey oKey = null;

/* The following lines of code takes care that error does not occur if registry settings are not at proper path.*/
oKey = Microsoft.Win32.Registry.CurrentUser.OpenSubKey (strPath, true);
if (oKey != null)
{
    oKey = Microsoft.Win32.Registry.CurrentUser.OpenSubKey(strPath, true);
}
else
{
  oKey = Microsoft.Win32.Registry.LocalMachine.OpenSubKey (strPath, true);
}

string strKey = "footer";
//object oValue = "&u&b&d";
object oValue = "test footer";
oKey.SetValue (strKey, oValue);
strKey = "header";
oValue = "&d";
oKey.SetValue(strKey, oValue);
 /* You can also get the value in registry by following line of code
    string strValue=oKey.GetValue (strKey).ToString();*/
 oKey.Close();