public bool ThemLoaiPhi(ref string err, string Ma, string Ten)
{
bool f = false;
CacLoaiPhi hs = new CacLoaiPhi();
hs.MaPhi = Ma;
hs.TenPhi = Ten;
try
{
dbs.CacLoaiPhis.InsertOnSubmit(hs);
dbs.SubmitChanges();
f = true;
}
catch (Exception ex)
{
err = ex.Message;
}
return(f);
}
public bool XoaLoaiPhi(ref string err, string Ma)
{
bool f = false;
CacLoaiPhi hs = dbs.CacLoaiPhis.Single(p => p.MaPhi == Ma);
try
{
if (hs != null)
{
dbs.CacLoaiPhis.DeleteOnSubmit(hs);
dbs.SubmitChanges();
f = true;
}
}
catch (Exception ex)
{
err = ex.Message;
}
return(f);
}
public bool SuaLoaiPhi(ref string err, string Ma1, string Ma2, string Ten)
{
bool f = false;
CacLoaiPhi hs = dbs.CacLoaiPhis.Single(p => p.MaPhi == Ma1);
try
{
if (hs != null)
{
hs.MaPhi = Ma2;
hs.TenPhi = Ten;
dbs.SubmitChanges();
f = true;
}
}
catch (Exception ex)
{
err = ex.Message;
}
return(f);
}
