//Master and Detail INSERT
public static int SaveDAO(BookRent bookObj, DataTable dt)
{
BookPOSEntities3 db = new BookPOSEntities3();
using (var transaction = db.Database.BeginTransaction())
{
try
{
var entity = db.Set <BookRent>().Create();
//mapping the values of your view models to data models
entity.MemberId = bookObj.MemberId;
entity.StartDate = bookObj.StartDate;
entity.IssueDate = bookObj.IssueDate;
entity.NumberOfDay = bookObj.NumberOfDay;
//INSERT MASTER TABLE
db.BookRents.Add(entity);
int l_return = db.SaveChanges();
long RentID = entity.RentID; //GET MASTER ID
if (l_return > 0)
{
//INSERT DETAIL TABLE
for (int i = 0; i < dt.Rows.Count; i++)
{
var RentDetail = db.Set <RentBookDetail>().Create(); //can not assign null value
RentDetail.RentID = RentID;
RentDetail.BookID = Convert.ToInt64(dt.Rows[i]["BookID"].ToString());
RentDetail.Status = 1;
db.RentBookDetails.Add(RentDetail);
l_return = db.SaveChanges();
RentDetail = null; //can not use null vlue
}
}
transaction.Commit();
transaction.Dispose();
db.Dispose();
return(l_return);
}
catch (Exception ex)
{
transaction.Rollback();
throw ex;
}
}
}
//Insert New Member
public static int SaveNewMember(DataTable dt)
{
BookPOSEntities3 db = new BookPOSEntities3();
int l_return = 0;
using (var transaction = db.Database.BeginTransaction())
{
try
{
//INSERT DETAIL TABLE
for (int i = 0; i < dt.Rows.Count; i++)
{
var Obj = db.Set <Member>().Create();
Obj.MemberCode = dt.Rows[i]["MemberCode"].ToString();
Obj.MemberName = dt.Rows[i]["MemberName"].ToString();
Obj.email = dt.Rows[i]["Email"].ToString();
Obj.City = dt.Rows[i]["City"].ToString();
Obj.Phone = dt.Rows[i]["Phone"].ToString();
Obj.Active = 1;
Obj.Address = dt.Rows[i]["Address"].ToString();
db.Members.Add(Obj);
l_return = db.SaveChanges();
}
transaction.Commit();
transaction.Dispose();
db.Dispose();
}
catch (Exception ex)
{
transaction.Rollback();
throw ex;
}
}
return(l_return);
}
//Insert New Book
public static int SaveNewBook(DataTable dt)
{
BookPOSEntities3 db = new BookPOSEntities3();
int l_return = 0;
using (var transaction = db.Database.BeginTransaction())
{
try
{
//INSERT DETAIL TABLE
for (int i = 0; i < dt.Rows.Count; i++)
{
var bookObj = db.Set <Book>().Create();
bookObj.BookCode = dt.Rows[i]["BookCode"].ToString();
bookObj.BookName = dt.Rows[i]["BookName"].ToString();
bookObj.CategoryId = Convert.ToInt64(dt.Rows[i]["Category"]);
bookObj.Author = dt.Rows[i]["Author"].ToString();
bookObj.ISBN = dt.Rows[i]["ISBN"].ToString();
db.Books.Add(bookObj);
l_return = db.SaveChanges();
}
transaction.Commit();
transaction.Dispose();
db.Dispose();
}
catch (Exception ex)
{
transaction.Rollback();
throw ex;
}
}
return(l_return);
}