A file exporter based in a list of items but not matter which type.

FileExporter

/// <summary> 
/// Define the Export File. 
/// </summary> 
public static class Export 
{ 
    /// <summary> 
    /// Exporters the list of items that can include the specified include header line. 
    /// </summary> 
    /// <typeparam name="T">The generic type.</typeparam> 
    /// <param name="includeHeaderLine">If set to <c>true</c> [include header line].</param> 
    /// <param name="separator">The separator.</param> 
    /// <param name="items">The items.</param> 
    /// <returns>The content file.</returns> 
    public static string Exporter<T>(bool includeHeaderLine, string separator, IEnumerable<T> items) where T : class 
    { 
        var sb = new StringBuilder(); 
   
        // Get properties using reflection. 
        var properties = typeof(T).GetProperties(); 
   
        if (includeHeaderLine) 
        { 
            // add header line 
            foreach (var property in properties) 
            { 
                sb.Append(property.Name).Append(separator); 
            } 
            sb.Remove(sb.Length - 1, 1).AppendLine(); 
        } 
   
        // add value for each property. 
        foreach (T item in items) 
        { 
            foreach (var property in properties) 
            { 
                sb.Append(MakeValueFriendly(property.GetValue(item, null))).Append(separator); 
            } 
            sb.Remove(sb.Length - 1, 1).AppendLine(); 
        } 
   
        return sb.ToString(); 
    } 
   
    /// <summary> 
    /// Makes the value friendly. 
    /// </summary> 
    /// <param name="value">The value.</param> 
    /// <returns>The string converted.</returns> 
    private static string MakeValueFriendly(object value) 
    { 
        if (value == null) 
        { 
            return string.Empty; 
        } 
   
        if (value is DateTime) 
        { 
            if (((DateTime)value).TimeOfDay.TotalSeconds == 0) 
            { 
                return ((DateTime)value).ToString("yyyy-MM-dd"); 
            } 
            return ((DateTime)value).ToString("yyyy-MM-dd HH:mm:ss"); 
        } 
        var output = value.ToString(); 
   
        if (output.Contains(",") || output.Contains(""")) 
        { 
            output = '"' + output.Replace(""", """") + '"'; 
        } 
   
        return output; 
    } 
}