how to change domain name dynamically using cs file

// Bind to the root hierarchy of log4net

log4net.Repository.Hierarchy.Hierarchy root =

log4net.LogManager.GetRepository()

as log4net.Repository.Hierarchy.Hierarchy;

if (root != null)

{

// Bind to the RollingFileAppender

log4net.Appender.RollingFileAppender rfa =

(log4net.Appender.RollingFileAppender)root.Root.GetAppender("RollingLogFileAppender");

if (rfa != null)

{

// Set the file name based on the assembly name

string filePath =

string.Format("~/App_Data/{0}.log", GetType().Assembly.GetName().Name);

// Assign the value to the appender

rfa.File = Server.MapPath(filePath);

// Apply changes to the appender

rfa.ActivateOptions();

}