//<summary>Get list of levels from the text file database. </summary>
//<returns>list<string></string></returns>
public static List <string> Levels()
{
//Handler variables
var path = dataPath;
var tempList = new List <string>();
var dt = new DataTable();
//Collect data from the database
dt = ImportData.GetTextFileData(path);
//Use a try .. catch block to trap errors found
try
{
//Iterate through the data rows to find unique machine names
foreach (DataRow row in dt.Rows)
{
//useing an object to hold the data from each row
//Intellisense will know valid object field item in the row of data
var lineData = new MachineData
{
MachineName = row.Field <string>(0),
Level = row.Field <string>(1)
};
if (!Utility.StringFound(tempList, lineData.Level))
{
tempList.Add(lineData.Level);
}
}
}
catch (Exception)
{
throw;
}
//return the list
return(tempList);
}