01.string reader = "Tag1=AAA Tag2=BBBBBBBB Tag3=CCCCCCCCCCCCCC";
02.
03.DataTable dt = new DataTable();
04.dt.Columns.Add(new DataColumn("Key", typeof(string)));
05.dt.Columns.Add(new DataColumn("Value", typeof(string)));
06.
07.string[] array = reader.Split(" ");
08.
09.foreach(string r in array)
10.{
11. string[] data = r.Split("=");
12.
13. DataRow dr = dt.NewRow();
14. dr["Key"] = data[0];
15. dr["Value"] = data[1];
16. dt.Rows.Add(dr);
17.}
18.
19.string valurOfTag2 = (from d in dt.AsEnumerable()
20. where d.Field<string>("Key") == "Tag2"
21. select d.Field<string>("Value")).First();
