protected void removeButton_Click(object sender, EventArgs e)
{
Button btn = (Button)sender;
string CommandArgument = btn.CommandArgument;
string username = (string)Session["username"];
int choiceid = Int32.Parse(CommandArgument);
int[] r = (int[])Application["round"];
int course = (int)Session["course"];
int roundno = r[course];
int remp;
try
{
admissionEntities ae = new admissionEntities();
Student_Choice sc = ae.Student_Choice.Where(s => s.choice_id == choiceid && s.std_id == username && s.round_id == roundno).FirstOrDefault <Student_Choice>();
remp = (int)sc.preference_no;
ae.Student_Choice.Remove(sc);
ae.SaveChanges();
var x = from c in ae.Student_Choice where c.preference_no > remp && c.std_id == username select c;
if (x != null)
{
foreach (var x1 in x)
{
x1.preference_no -= 1;
}
}
ae.SaveChanges();
Response.Redirect(Request.RawUrl);
}
catch (Exception err)
{
}
}
protected void downButton_Click(object sender, EventArgs e)
{
Button btn = (Button)sender;
string CommandArgument = btn.CommandArgument;
string username = (string)Session["username"];
int choiceid = Int32.Parse(CommandArgument);
int[] r = (int[])Application["round"];
int course = (int)Session["course"];
int roundno = r[course];
int old, new1;
try
{
admissionEntities ae = new admissionEntities();
var x = from c in ae.Student_Choice where c.std_id == username select c.preference_no;
int maxp = 0;
foreach (var x1 in x)
{
if (x1 > maxp)
{
maxp = (int)x1;
}
}
/*if (x == null)
* {
* maxp = 0;
* }
* else
* {
* maxp = (int)x.Max();
* }
*/
Student_Choice scup = ae.Student_Choice.Where(s => s.choice_id == choiceid && s.std_id == username && s.round_id == roundno).FirstOrDefault <Student_Choice>();
old = (int)scup.preference_no;
new1 = old + 1;
if (old == maxp)
{
}
else
{
Student_Choice scdn = ae.Student_Choice.Where(s => s.preference_no == new1 && s.std_id == username && s.round_id == roundno).FirstOrDefault <Student_Choice>();
scdn.preference_no = old;
scup.preference_no = new1;
}
ae.SaveChanges();
Response.Redirect(Request.RawUrl);
}
catch (Exception err)
{
}
}
protected void AddButton_Click(object sender, EventArgs e)
{
Button btn = (Button)sender;
btn.Enabled = false;
string CommandArgument = btn.CommandArgument;
string username = (string)Session["username"];
int choiceid = Int32.Parse(CommandArgument);
int[] r = (int[])Application["round"];
int course = (int)Session["course"];
int roundno = r[course];
admissionEntities ae = new admissionEntities();
var x = from c in ae.Student_Choice where c.std_id == username select c.preference_no;
int maxp = 0;
/* if (x == null)
* {
* maxp = 0;
* }
* else {
* maxp = (int)x.Max();
* }
*/
foreach (var x1 in x)
{
if (x1 > maxp)
{
maxp = (int)x1;
}
}
maxp++;
Student_Choice sc1 = ae.Student_Choice.Where(s => s.std_id == username && s.round_id == roundno && s.choice_id == choiceid).FirstOrDefault <Student_Choice>();
if (sc1 == null)
{
Student_Choice sc = new Student_Choice();
sc.choice_id = choiceid;
sc.std_id = username;
sc.round_id = r[course];
sc.preference_no = maxp;
ae.Student_Choice.Add(sc);
ae.SaveChanges();
//
Response.Redirect(Request.RawUrl);
}
}
protected void upButton_Click(object sender, EventArgs e)
{
Button btn = (Button)sender;
string CommandArgument = btn.CommandArgument;
string username = (string)Session["username"];
int choiceid = Int32.Parse(CommandArgument);
int[] r = (int[])Application["round"];
int course = (int)Session["course"];
int roundno = r[course];
int old, new1;
try
{
admissionEntities ae = new admissionEntities();
Student_Choice scup = ae.Student_Choice.Where(s => s.choice_id == choiceid && s.std_id == username && s.round_id == roundno).FirstOrDefault <Student_Choice>();
old = (int)scup.preference_no;
new1 = old - 1;
if (old == 0)
{
}
else
{
Student_Choice scdn = ae.Student_Choice.Where(s => s.preference_no == new1 && s.std_id == username && s.round_id == roundno).FirstOrDefault <Student_Choice>();
scdn.preference_no = old;
scup.preference_no = new1;
}
ae.SaveChanges();
Response.Redirect(Request.RawUrl);
}
catch (Exception err)
{
}
}
