public static int Add(ExamTypes examtypes)
{
int retvalue = -1;
try
{
db.cmd.CommandType = CommandType.StoredProcedure;
db.cmd.CommandText = "procExamTypes_ExamTypes";
db.cmd.Parameters.AddWithValue("@ExamTypeName", examtypes.ExamTypeName);
db.cmd.Parameters.Add("@Id", SqlDbType.Int);
db.cmd.Parameters["@Id"].Direction = ParameterDirection.Output;
db.con.Open();
db.cmd.ExecuteNonQuery();
db.con.Close();
retvalue = Convert.ToInt32(db.cmd.Parameters["@Id"].Value);
}
catch (SqlException sqlex)
{
SqlExceptionErrorHandling rh = new SqlExceptionErrorHandling();
rh.GetError(sqlex);
}
finally
{
db.CloseDb(db.con, db.cmd);
}
return(retvalue);
}
private static List <ExamTypes> _GetExamTypes()
{
List <ExamTypes> ExamTypes = new List <ExamTypes>();
try
{
Command = "select * from tblExamTypes";
db.cmd.CommandText = Command;
db.con.Open();
SqlDataReader rdr = db.cmd.ExecuteReader();
while (rdr.Read())
{
ExamTypes singleExamTypes = new ExamTypes();
singleExamTypes.Id = (int)rdr[0];
singleExamTypes.ExamTypeName = rdr[1].ToString();
ExamTypes.Add(singleExamTypes);
}
}
catch (SqlException sqlex)
{
SqlExceptionErrorHandling rh = new SqlExceptionErrorHandling();
rh.GetError(sqlex);
}
finally
{
db.con.Close();
}
return(ExamTypes);
}
public static int Add(Exams exams, ExamTypes examTypes)
{
int retvalue = -1;
exams.ExamTypesId = ExamTypes.Add(examTypes);
retvalue = Exams.Add(exams);
return(retvalue);
}
private static List <Exams> _GetExams()
{
List <Exams> Exams = new List <Exams>();
try
{
Command = "select * from tblExams";
db.cmd.CommandText = Command;
db.con.Open();
SqlDataReader rdr = db.cmd.ExecuteReader();
while (rdr.Read())
{
Exams singleExams = new Exams();
singleExams.Id = (int)rdr[0];
singleExams.TotalMarks = Convert.ToSingle(rdr[1]);
singleExams.ObtainedMarks = Convert.ToSingle(rdr[2]);
singleExams.DateTime = rdr[3].ToString();
singleExams.StudentsId = (int)rdr[4];
singleExams.SubjectsId = (int)rdr[5];
singleExams.ExamTypesId = (int)rdr[6];
var students = new Students();
singleExams.Students = Students.ListOfStudents.SingleOrDefault(s => s.Id == singleExams.StudentsId);
var subject = new Subjects();
singleExams.Subjects = Subjects.ListOfSubjects.SingleOrDefault(s => s.Id == singleExams.SubjectsId);
var examtype = new ExamTypes();
singleExams.ExamTypes = ExamTypes.ListOfExamTypes.SingleOrDefault(e => e.Id == singleExams.ExamTypesId);
Exams.Add(singleExams);
}
}
catch (SqlException sqlex)
{
SqlExceptionErrorHandling rh = new SqlExceptionErrorHandling();
rh.GetError(sqlex);
}
finally
{
db.con.Close();
}
return(Exams);
}
public static void Update(int id, ExamTypes examtypes)
{
try
{
db.cmd.CommandText = "update tblExamTypes set ExamTypeName = @ExamTypeName where Id=@id";
db.cmd.Parameters.AddWithValue("@ExamTypename", examtypes.ExamTypeName);
db.cmd.Parameters.AddWithValue("@id", id);
db.con.Open();
db.cmd.ExecuteNonQuery();
}
catch (SqlException sqlex)
{
SqlExceptionErrorHandling rh = new SqlExceptionErrorHandling();
rh.GetError(sqlex);
}
finally
{
db.CloseDb(db.con, db.cmd);
}
}
public Exams()
{
Students = new Students();
Subjects = new Subjects();
ExamTypes = new ExamTypes();
}
public static void Update(int Id, Exams exams, ExamTypes examtype)
{
exams.ExamTypesId = ExamTypes.Add(examtype);
Exams.Update(Id, exams);
}
