public void Print()
{
var sb = new StringBuilder();
foreach (var entry in _dataSetMap)
{
sb.Append(string.Format("\n[{0}] ==>", entry.Key));
foreach (DataSource ds in entry.Value)
{
sb.Append(string.Format(" [{0}:{1}:{2}:{3}]", ds.Name, ds.Type, ds.Min, ds.Max));
}
}
Console.WriteLine(sb.ToString());
}