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You can get a string array containing the 6 attribute values using LINQ to XML as follows:
using System.Linq;
using System.Xml.Linq;
using System.IO;
// ...
XElement root = XElement.Load("maha.xml");
string[] values = root.Element("Serial").Element("Current").Attributes().Select(a =>
a.Value).ToArray();
You should find that:
values[0] will contain : 11 March 2011
values[1] will contain : 10 Rabi-Ul-Awal 1434
and so on.
It's then just a matter of assigning the appropriate values to your textblocks.