protected void btnXoa_Click(object sender, EventArgs e)
{
string id = Page.RouteData.Values["ID"].ToString().Trim();
NhomSach _ns = tbl_ns.GetByID(id);
tbl_ns.Delete(_ns);
Response.Redirect("/QuanLyNhomSach/Nhom");
}
protected void btnCapNhat_Click(object sender, EventArgs e)
{
string id = Page.RouteData.Values["ID"].ToString().Trim();
NhomSach _ns = tbl_ns.GetByID(id);
_ns.TenNhom = txtTenNhom.Text.Trim();
tbl_ns.Update(_ns);
Response.Redirect("/QuanLyNhomSach/Nhom");
}
protected void btnThem_Click(object sender, EventArgs e)
{
NhomSach _ns = new NhomSach();
_ns.MaNhom = CreateKey();
_ns.TenNhom = txtTenNhom.Text.Trim();
tbl_ns.Insert(_ns);
Response.Redirect("/QuanLyNhomSach/Nhom");
}
public void DatalistPaging()
{
PagedDataSource PD = new PagedDataSource();
string id = Page.RouteData.Values["modul"].ToString().Trim();
NhomSach ns = tbl_ns.GetByID(id);
PD.DataSource = tbl_sach.GroupBook(ns.TenNhom);
PD.PageSize = 21;
PD.AllowPaging = true;
PD.CurrentPageIndex = CurrentPage;
if (PD.PageCount > 1)
{
Repeater1.Visible = true;
System.Collections.ArrayList pages = new System.Collections.ArrayList();
int cout = 0;
for (int i = CurrentPage - 5; i <= CurrentPage + 10; i++)
{
if (i > PD.PageCount)
{
break;
}
if (i > 0)
{
if (cout < 10)
{
cout++;
pages.Add(i.ToString());
}
else
{
break;
}
}
}
Repeater1.DataSource = pages;
Repeater1.DataBind();
}
else
{
Repeater1.Visible = false;
}
DataList1.DataSource = PD;
DataList1.DataBind();
}
private void ThemNhomSach(string ten)
{
NhomSach _ns = tbl_nhomsach.GetByName(ten);
if (_ns == null)
{
if (ten.Trim() != "")
{
_ns = new NhomSach();
_ns.MaNhom = QL_Nhom.CreateKey();
_ns.TenNhom = ten;
tbl_nhomsach.Insert(_ns);
}
}
}
//Hiển Thị Form Input
private void ShowFormInput()
{
if (Page.RouteData.Values["ID"] != null)
{
btnThem.Visible = false;
btnCapNhat.Visible = true;
btnXoa.Visible = true;
string id = Page.RouteData.Values["ID"].ToString().Trim();
NhomSach _ns = tbl_ns.GetByID(id);
txtTenNhom.Text = _ns.TenNhom;
}
else
{
btnThem.Visible = true;
btnCapNhat.Visible = false;
btnXoa.Visible = false;
}
}
//xoa du lieu
public void Delete(NhomSach obj)
{
db.NhomSaches.Attach(obj);
db.NhomSaches.Remove(obj);
db.SaveChanges();
}
//Cap nhap du lieu
public void Update(NhomSach obj)
{
db.NhomSaches.Attach(obj);
db.Entry(obj).State = System.Data.Entity.EntityState.Modified;
db.SaveChanges();
}
//Them du lieu
public NhomSach Insert(NhomSach obj)
{
db.NhomSaches.Add(obj);
db.SaveChanges();
return(obj);
}
