private void updateStudentData()
{
Query = "update StudentInformation set"
+ " student_FName='" + fname + "', "
+ " student_LName='" + lname + "', "
+ " student_Email='" + email + "', "
+ " student_CNIC='" + cnic + "', "
+ " student_PhoneNo='" + phone + "', "
+ " student_Address='" + address + "', "
+ " student_Department='" + department + "', "
+ " student_Degree='" + degree + "', "
+ " student_Class='" + studentClass + "', "
+ " student_InstallmentCount='" + installments + "' where student_id='" + Constants.student_Id + "' ";
DB_Connection.OpenConection();
DB_Connection.ExecuteQueries(Query);
DB_Connection.CloseConnection();
resetData();
}