How do I extract data from my file directory into Microsoft visual studio

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C#

I have a file directory named

\ArchView\03_Reports\2016\10\8lotname\lotname

How do I extract data from that file directory and put it into the form that I created on Microsoft Visual Studio?

For example, I want to extract the

TEST-BEG : 2017-01-06 08:37

into my program.

Thank you in advance

What I have tried:

Some codes that I have tried:

DirectoryInfo di = new DirectoryInfo(strDirectory);

                try
                {
                    var myFile = (from f in di.GetFiles(searchLotName)
                                  orderby f.LastWriteTime descending
                                  select f).First();
                    row[ISSELECTED] = true;
                    row[TLTPATH] = myFile.FullName;
                    row[TESTDIRPATH] = string.Format(@"\\{0}\{1}", FAR_Yield_Analysis_Test_Tool.Properties.Settings.Default.TestDirPartialPath);
                    row[TIMESTAMP] = myFile.FullName;

                    GetTestModeandTimeStamp(myFile.FullName, ref strTestMode, ref strTimeStamp, ref strProgram);

                    row[searchLotName] = strLotName; 
                    row[TESTMODE] = strTestMode;
                    row[PROGRAM] = strProgram;
                    row[TIMESTAMP] = strTimeStamp;
                    row[TESTDIRPATH] = string.Format(@"\\{0}\{1}", FAR_Yield_Analysis_Test_Tool.Properties.Settings.Default.TestDirPartialPath);

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