public void insert(string sir)
{
Donor d = new Donor();
TextReader str = new StreamReader("DATA.txt");
int[] f = new int[3];
double cp, dp;
string w, x, y, z;
PointLatLng et = new PointLatLng();
int count = 0;
while (str.Peek() >= 0)//reading data form donor and inputting it in donor class
{
count++;
d = new Donor();
w = str.ReadLine();
x = str.ReadLine();
y = str.ReadLine();
z = str.ReadLine();
d.setName(w);
d.setEmail(x);
d.setphone_number(y);
d.setBG(z);
f[0] = Convert.ToInt32(str.ReadLine());
f[1] = Convert.ToInt32(str.ReadLine());
f[2] = Convert.ToInt32(str.ReadLine());
DateTime j = new DateTime(f[2], f[1], f[0]);
d.setLast_donated(j);
cp = Convert.ToDouble(str.ReadLine());
dp = Convert.ToDouble(str.ReadLine());
et.Lat = cp; et.Lng = dp;
d.setlatlog(et);
if (head == null && d.blood_group == sir)
{
head = new Tnode();
head.data = d;
head.next = null;
length++; listed.a++;
}
else if (d.blood_group == sir)
{
Tnode newnode = new Tnode();
newnode.data = new Donor();
newnode.data = d;
newnode.next = new Tnode();
newnode.next = head;
head = new Tnode();
head.data = newnode.data;
head.next = newnode.next;
length++; listed.a++;
}
//MessageBox.Show("inserted " + head.data.getBloodGroup());
}
}
void gMapMarkerMaker(Tnode donor, PointLatLng et, int length)//show markers
{
MyMap.Position = et;
try
{
MyMap.Overlays.Clear();
MyMap.Zoom = 14;
TimeSpan st = new TimeSpan(58, 0, 0, 0);
GMapOverlay markersOverlay = new GMapOverlay("markers");
GMarkerGoogle[] marker = new GMarkerGoogle[length];
Tnode ptr;
ptr = donor;
int i = 0;
while (ptr != null)
{
if (ptr.data.blood_group.ToString() == seach_box.Text.ToString())
{
if (ptr.data.TimePassed() > st)
{
marker[i] = new GMarkerGoogle(ptr.data.getlatlog(), GMarkerGoogleType.green_small);//if the donor have passed 58 days after giving bloob then the marker will be green else red
}
else
{
marker[i] = new GMarkerGoogle(ptr.data.getlatlog(), GMarkerGoogleType.red_small);
}
markersOverlay.Markers.Add(marker[i]);
marker[i].ToolTip = new GMapRoundedToolTip(marker[i]);
marker[i].ToolTipText = ptr.data.getName().ToString() + "\n" + ptr.data.getBloodGroup().ToString() + "\n" + ptr.data.getEmail().ToString();
MyMap.Overlays.Add(markersOverlay);
i++;
listed.b++;
}
ptr = ptr.next;
}
if (i == 0)
{
MessageBox.Show("No donors found!");
}
else
{
MessageBox.Show(i.ToString() + " donors found!");
}
}
catch (NullReferenceException ex)
{
MessageBox.Show(ex.ToString(), "An exception has occured!");
}
}
public list()
{
head = null;
length = 0;
}