public List <T> Query <T>(string sql, params object[] parameterValues)
{
using (var ct = new DS_MessageDataContext(DbHelperSQL.Connection))
{
return(ct.ExecuteQuery <T>(sql, parameterValues).ToList());
}
}
public static int GetMsgNum(int memberId, bool isView)
{
using (var ct = new DS_MessageDataContext(DbHelperSQL.Connection))
{
return(ct.DS_Message.Where(a => a.MemberID.Equals(memberId) && a.IsView.Equals(isView)).Count());
}
}
public DS_Message GetSingle(int ID)
{
using (var ct = new DS_MessageDataContext(DbHelperSQL.Connection))
{
return(ct.DS_Message.Single(a => a.ID == ID));
}
}
public void Update(DS_Message Message)
{
using (var ct = new DS_MessageDataContext(DbHelperSQL.Connection))
{
ct.DS_Message.Attach(Message, true);
ct.SubmitChanges();
}
}
public void Add(DS_Message Message)
{
using (var ct = new DS_MessageDataContext(DbHelperSQL.Connection))
{
ct.DS_Message.InsertOnSubmit(Message);
ct.SubmitChanges();
}
}
public void Delete(int ID)
{
using (var ct = new DS_MessageDataContext(DbHelperSQL.Connection))
{
DS_Message st = ct.DS_Message.Single(a => a.ID == ID);
ct.DS_Message.DeleteOnSubmit(st);
ct.SubmitChanges();
}
}
public void Delete(string Ids)
{
using (var ct = new DS_MessageDataContext(DbHelperSQL.Connection))
{
string[] idarray = Ids.Split(',');
var list = ct.DS_Message.Where(a => idarray.Contains(a.ID.ToString()));
ct.DS_Message.DeleteAllOnSubmit(list);
ct.SubmitChanges();
}
}
public void ChgState(string Ids, bool isView)
{
using (var ct = new DS_MessageDataContext(DbHelperSQL.Connection))
{
string[] idarray = Ids.Split(',');
var list = ct.DS_Message.Where(a => idarray.Contains(a.ID.ToString()));
foreach (var item in list)
{
item.IsView = isView;
}
ct.SubmitChanges();
}
}
public List <DS_Message> Query(string condition, string orderby, params object[] param)
{
using (var ct = new DS_MessageDataContext(DbHelperSQL.Connection))
{
IQueryable <DS_Message> MessageList = ct.DS_Message;
if (!string.IsNullOrEmpty(condition))
{
MessageList = MessageList.Where(condition, param);
}
if (!string.IsNullOrEmpty(orderby))
{
MessageList = MessageList.OrderBy(orderby);
}
return(MessageList.ToList());
}
}
public List <DS_Message> Query(string condition, string orderby, int startIndex, int pageSize, ref int pageCount, params object[] param)
{
using (var ct = new DS_MessageDataContext(DbHelperSQL.Connection))
{
IQueryable <DS_Message> MessageList = ct.DS_Message;
if (!string.IsNullOrEmpty(condition))
{
MessageList = MessageList.Where(condition, param);
}
if (!string.IsNullOrEmpty(orderby))
{
MessageList = MessageList.OrderBy(orderby);
}
pageCount = MessageList.Count();
return(MessageList.Skip(startIndex).Take(pageSize).ToList());
}
}
