//How many threads we need to make checking easier
public void count_thread()
{
using (linqDataContext linq = new linqDataContext())
{
int value = (from p in linq.sayilars select p).Count();
lblThreadsNeed.Text = (value < 100 ? 2 : ((value / 100) + 1)).ToString();
}
}
//Fetch the starting number from DB
public void starting_from()
{
using (linqDataContext linq = new linqDataContext())
{
var query = (from p in linq.sayilars orderby p.sayi descending select p).First();
lblChecked.Text = (Convert.ToInt32(query.sayi) + 2).ToString();
}
}
//How many prime number recorded on DB
public void count_db()
{
using (linqDataContext linq = new linqDataContext())
{
int value = (from p in linq.sayilars select p).Count();
lblPrimeNumberCounter.Text = value.ToString();
}
}
private void Form1_Load(object sender, EventArgs e)
{
using (linqDataContext linq = new linqDataContext())
{
temp tmp = new temp();
linq.ExecuteCommand("delete from temp");
}
}
//control the numbers
public void control_prime_numbers(int bas, int son)
{
try
{
for (int i = bas; i < son; i++)
{
if (function.isPrime(i))
{
lblPrimeState.Text = "Prime Number";
using (linqDataContext linq = new linqDataContext())
{
var query = (from p in linq.sayilars where p.sayi < Convert.ToInt32(lblMaxValue.Text) select p);
int result = 0;
foreach (var item in query)
{
if (Convert.ToInt32(lblChecked.Text) % Convert.ToInt32(item.sayi.ToString()) == 0)
{
result++;
}
}
if (should_check && result == 0)
{
should_check = false;
sayilar primes = new sayilar();
{
primes.sayi = Convert.ToInt32(lblChecked.Text);
}
linq.sayilars.InsertOnSubmit(primes);
linq.SubmitChanges();
lblChecked.Text = (Convert.ToInt32(lblChecked.Text) + 2).ToString();
break;
}
else
{
result = 0;
lblChecked.Text = (Convert.ToInt32(lblChecked.Text) + 2).ToString();
break;
}
}
}
else
{
lblPrimeState.Text = "Not Prime";
}
}
}
catch { }
finally { }
}
//Prepare the threads to check prime numbers
public void set_threads()
{
string log = "";
txtLog.Text = "";
int starting = 2;
int counter = 0;
baslangic:
log += "Thread " + counter.ToString() + " => Starting : " + Convert.ToInt32(starting).ToString() + " ; Ending : " + (starting + Convert.ToInt32(lblThreadCheckBetween.Text)).ToString() + Environment.NewLine;
using (linqDataContext linq = new linqDataContext())
{
temp tmp = new temp();
{
tmp.th = counter;
tmp.bas = starting;
tmp.son = starting + Convert.ToInt32(lblThreadCheckBetween.Text);
}
linq.temps.InsertOnSubmit(tmp);
linq.SubmitChanges();
}
starting += Convert.ToInt32(lblThreadCheckBetween.Text);
counter++;
if (counter < Convert.ToInt32(lblThreadsNeed.Text))
{
goto baslangic;
}
if (starting < int.Parse(lblMaxValue.Text))
{
log += "Thread " + counter.ToString() + " => Starting : " + Convert.ToInt32(starting).ToString() + " ; Ending : " + (Convert.ToInt32(lblMaxValue.Text)).ToString() + Environment.NewLine;
using (linqDataContext linq = new linqDataContext())
{
temp tmp = new temp();
{
tmp.th = counter;
tmp.bas = starting;
tmp.son = starting + Convert.ToInt32(lblThreadCheckBetween.Text);
}
linq.temps.InsertOnSubmit(tmp);
linq.SubmitChanges();
}
}
txtLog.Text = log;
}
//main function of the program
public bool main_function()
{
if (contunie)
{
using (linqDataContext linq = new linqDataContext())
{
var sorgu = (from p in linq.temps select p);
foreach (var item in sorgu)
{
Thread th = new Thread(() => control_prime_numbers(Convert.ToInt32(item.bas), Convert.ToInt32(item.son)));
th.Start();
}
temp tmp = new temp();
linq.ExecuteCommand("delete from temp");
}
return(true);
}
else
{
backgroundWorker1.CancelAsync();
return(false);
}
}
