protected void Delete_Details(object sender, EventArgs e)
{
using (lab7DataContext dbcontext = new lab7DataContext())
{
student stud = dbcontext.students.SingleOrDefault(x => x.sid == Convert.ToInt32(Sid.Text));
dbcontext.students.DeleteOnSubmit(stud);
dbcontext.SubmitChanges();
Label1.Text = "Data Deleted Successfully!";
}
}
protected void Update_Details(object sender, EventArgs e)
{
using (lab7DataContext dbcontext = new lab7DataContext())
{
student stud = dbcontext.students.SingleOrDefault(x => x.sid == Convert.ToInt32(Sid.Text));
stud.name = Name.Text;
stud.sem = Convert.ToInt32(Sem.Text);
stud.cpi = Convert.ToDecimal(CPI.Text);
stud.contact_no = Convert.ToDecimal(ContactNo.Text);
stud.email_id = Email.Text;
dbcontext.SubmitChanges();
Label1.Text = "Data Updated Successfully!";
}
}
/*protected void db_init()
* {
* con = new SqlConnection();
* con.ConnectionString = WebConfigurationManager.ConnectionStrings["Con1"].ConnectionString;
* }*/
protected void Insert_Details(object sender, EventArgs e)
{
using (lab7DataContext dbcontext = new lab7DataContext())
{
student stud = new student
{
name = Name.Text,
sem = Convert.ToInt32(Sem.Text),
cpi = Convert.ToInt32(CPI.Text),
contact_no = Convert.ToDecimal(ContactNo.Text),
email_id = Email.Text
};
dbcontext.students.InsertOnSubmit(stud);
dbcontext.SubmitChanges();
Label1.Text = "Data Inserted Successfully!";
}
}
