public void Insert(Registration regObj)
{
string insertQuery = "INSERT INTO Registraton (STUDENTID, COURSEID) VALUES (@STUDENTID, @COURSEID)";
SqlCommand insertCommand = new SqlCommand(insertQuery);
SqlParameter studentIDParam = new SqlParameter("@STUDENTID", SqlDbType.Int);
studentIDParam.Value = regObj.STUDENTID;
SqlParameter courseIDParam = new SqlParameter("@COURSEID", SqlDbType.Int);
courseIDParam.Value = regObj.COURSEID;
insertCommand.Parameters.Add(studentIDParam);
insertCommand.Parameters.Add(courseIDParam);
dataAccess.Execute(insertCommand);
}
public void DeleteOneRegistraion(Registration regObj)
{
string deleteQuery = "DELETE Registraton WHERE STUDENTID = @STUDENTID AND COURSEID = @COURSEID";
SqlCommand deleteCommand = new SqlCommand(deleteQuery);
SqlParameter studentIDParam = new SqlParameter("@STUDENTID", SqlDbType.Int);
studentIDParam.Value = regObj.STUDENTID;
SqlParameter courseIDParam = new SqlParameter("@COURSEID", SqlDbType.Int);
courseIDParam.Value = regObj.COURSEID;
deleteCommand.Parameters.Add(studentIDParam);
deleteCommand.Parameters.Add(courseIDParam);
dataAccess.Execute(deleteCommand);
}
public List<Registration> getList()
{
SqlCommand command = new SqlCommand("SELECT * FROM Registraton");
List<Registration> regList = new List<Registration>();
DataTable dt = dataAccess.Query(command);
for (int i = 0; i < dt.Rows.Count; i++)
{
Registration regObj = new Registration();
regObj.STUDENTID = (int)dt.Rows[i][0];
regObj.COURSEID = (int)dt.Rows[i][1];
regList.Add(regObj);
}
return regList;
}
public void Update(Registration regObj, int changedCourseID)
{
string updateQuery = "UPDATE Registraton SET COURSEID = @COURSEID WHERE STUDENTID = @STUDENTID AND COURSEID = @COURSEIDTOSET";
SqlCommand updateCommand = new SqlCommand(updateQuery);
SqlParameter studentIDParam = new SqlParameter("@STUDENTID", SqlDbType.Int);
studentIDParam.Value = regObj.STUDENTID;
SqlParameter courseToSetIDParam = new SqlParameter("@COURSEIDTOSET", SqlDbType.Int);
courseToSetIDParam.Value = regObj.COURSEID;
SqlParameter changedCourseIDParam = new SqlParameter("@COURSEID", SqlDbType.Int);
changedCourseIDParam.Value = changedCourseID;
updateCommand.Parameters.Add(courseToSetIDParam);
updateCommand.Parameters.Add(studentIDParam);
updateCommand.Parameters.Add(changedCourseIDParam);
dataAccess.Execute(updateCommand);
}
