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 Fill_Details(object sender, EventArgs e) { using (lab7DataContext dbcontext = new lab7DataContext()) { //id = Convert.ToInt32(Sid.Text); student stud = dbcontext.students.SingleOrDefault(x => x.sid == Convert.ToInt32(Sid.Text)); Name.Text = stud.name; Sem.Text = Convert.ToString(stud.sem); CPI.Text = Convert.ToString(stud.cpi); ContactNo.Text = Convert.ToString(stud.contact_no); Email.Text = stud.email_id; Fields.Visible = true; } }
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!"; } }