Fransiscus Setiawan .NET Blog

This snippet code is credited to Scott’s Hanselman, This Resolve URL function is used where you want to implement it on your business layer.
Methods:

 
#region "Image URL helpers"
 
public static string ResolveUrl(string originalUrl)
{ [...]

This is the class that you can use to create a CSV file from DataTable. Basically what it does is to iterate each column and row in datatable and separate them with comma.
Class/Function:

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using System;
using System.Data;
using System.IO;
using System.Text;
using System.Web;
 
namespace BusinessLayer
{
public class CSVBuilder
{
[...]