/// <summary>
/// Construct a list of death records matching a specific record, using a user-definable filter predicate
/// </summary>
/// <param name="dB">the database to search</param>
/// <param name="drMatch">the specific death record to match</param>
/// <param name="filter">the filter predicate used to determine matches to <paramref name="drMatch"/></param>
/// <returns></returns>
public static List<IDeathRecord> Matches(Linq2SqlDataContext dB, IDeathRecord drMatch, Func<IDeathRecord, IDeathRecord, bool> filter)
{
List<IDeathRecord> lMatches = new List<IDeathRecord>();
if (drMatch.DeathDate.Year < 1916)
{
var query = from c in dB.IllinoisDeathIndexPre1916s
where filter( c, drMatch )
select c;
foreach (IDeathRecord indxNext in query)
lMatches.Add(indxNext);
}
else
{
var query = from c in dB.IllinoisDeathIndexPost1915s
where filter( c, drMatch )
select c;
foreach (IDeathRecord indxNext in query)
lMatches.Add(indxNext);
}
return lMatches;
}
/// <summary>
/// Convert a race specification in a database to an enumerated race value
/// </summary>
/// <param name="db">The database to consult for a race translation table</param>
/// <param name="bRace">The race specification to convert</param>
/// <returns>An enumerated race value</returns>
/// <exception cref="ArgumentException">if <paramref name="bRace"/> does not represent a valid race value in <paramref name="db"/></exception>
public static Race GetRace(Linq2SqlDataContext db, byte bRace)
{
var sRace = new string(new[] { (char)bRace });
var query = from e in db.RaceMatches
where e.Mnemonic == sRace
select e;
if (query.Any())
return (Race)query.First().RaceIndex;
throw new ArgumentException("Invalid race specification \"" + sRace + "\"");
}
/// <summary>
/// Convert a gender specification in a database to an enumerated gender value
/// </summary>
/// <param name="db">The database to consult for a gender translation table</param>
/// <param name="bGender">The gender specification to convert</param>
/// <returns>An enumerated gender value</returns>
/// <exception cref="ArgumentException">if <paramref name="bGender"/> does not represent a valid gender value in <paramref name="db"/></exception>
public static Gender GetGender(Linq2SqlDataContext db, byte bGender)
{
var sGender = new string(new[] { (char)bGender });
var query = from e in db.GenderMatches
where e.Mnemonic == sGender
select e;
if (query.Any())
return (Gender)query.First().GenderIndex;
throw new ArgumentException("Invalid gender specification \"" + sGender + "\"");
}
/// <summary>
/// Load event handler for the main form <see cref="Form1"/>
/// </summary>
/// <param name="sender">the originator of the event (an instance of <see cref="Form1"/>)</param>
/// <param name="e">arguments to the event handler</param>
/// <remarks>This event handler currently loads the database table adapters.
/// These calls to the <code>TableAdapter.Fill</code> method will ultimately be moved
/// to another location, to enable selective connection to the database.</remarks>
private void Form1_Load(object sender, EventArgs e)
{
try
{
krestniJmenaTableAdapter.Fill(genealogyDataSet.KrestniJmena);
prijmeniTableAdapter.Fill(genealogyDataSet.Prijmeni);
givenNameEquivalentsTableAdapter.Fill(genealogyDataSet.GivenNameEquivalents);
dHDeathIndexTableAdapter.Fill(genealogyDataSet.DHDeathIndex);
_mdB = new Linq2SqlDataContext();
Utilities.DataContext = _mdB;
var query = from c in _mdB.DHDeathIndexes
select c.GivenName;
foreach (string sNext in query)
{
if (!txtFirstName.AutoCompleteCustomSource.Contains(sNext))
txtFirstName.AutoCompleteCustomSource.Add(sNext);
}
}
catch (System.Data.SqlClient.SqlException ex)
{
MessageBox.Show( @"Unable to load/fill database table adapters:" + Environment.NewLine + ex.Message, @"Database error", MessageBoxButtons.OK, MessageBoxIcon.Error );
}
webBrowser1.Navigating += webBrowser1_Navigating;
}
