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    C# code:
public Zone GetZoneById(int zId)
{
try
{
Zone zone = new Zone();
Blog blog = new Blog();
BlogService blogService = new BlogService();
CallIn callIn = new CallIn();
CallInService callInService = new CallInService();
ZoneReview zoneReview = new ZoneReview();
ZoneReviewService zoneReviewService = new ZoneReviewService();
DBHelper db = new DBHelper();
SqlParameter[] values = new SqlParameter[]
{
new SqlParameter("@id",zId)
};
using (SqlDataReader reader = db.GetReader(GET_ZONE_BY_ID,values))
{
if (reader.Read())
{
zone.ZId = (int)reader["zId"];
blog.BId = (int)reader["bId"];//FK
callIn.CId = (int)reader["cId"];//FK
zoneReview.ZRId = (int)reader["zReview"];//FK


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