public MJsonData(object data)
{
if (data is Exception)
{
_error = (data as Exception).Message;
}
else
{
Data = data;
if (data is IPaginationList)
{
IPaginationList pl = (IPaginationList)data;
this.Pos = pl.StartPos;
if (this.Pos < 0)
{
this.Pos = 0;
}
/*if (pl.StartPos == 0)*/
this.Total_count = pl.AllCount;
}
else if (data is MTreeList)
{
Parent = ((MTreeList)data).Parent;
}
}
}
public IList Select(IList list, Type t, string sql, params object[] parms)
{
SqlConnection con = ConnectionPool.GetConnection();
try
{
parms = GetParamList(parms);
int allCount = -1;
IPaginationList plist = null;
if (list is IPaginationList)
{
plist = (IPaginationList)(list);
}
DateTime begtime = DateTime.Now;
SqlCommand com = new SqlCommand(sql, con);
for (int i = 0; i < parms.Length - 1; i += 2)
{
if (parms[i] != null)
{
com.Parameters.Add(new SqlParameter(parms[i].ToString(), PrepareParam(parms[i + 1])));
}
}
// Для PaginationList select выполняем в 2 этапа сначала считаем кол-во а потом сам select c добавленным top
if (plist != null)
{
if (plist.Top != "")
{
string sql1 = com.CommandText;
int i = sql1.IndexOf('*');
int j = sql1.ToLower().IndexOf("order by");
if (i > 0 && (j < 0 || i < j))
{
com.CommandText = sql1.Remove(j).Remove(i, 1).Insert(i, "count(*)");
allCount = Convert.ToInt32(com.ExecuteScalar());
com.CommandText = sql1.Insert(i, plist.Top + " ");
}
}
}
bool f = MainDic.ContainsKey(t);
using (SqlDataReader rdr = com.ExecuteReader())
{
while (rdr.Read())
{
if (plist != null)
{
if ((plist.AllCount >= plist.StartPos || plist.StartPos == -1) && plist.AllCount < plist.StartPos + plist.PageSize || plist.StartPos == -1 || plist.PageSize == -1)
{
MObj obj = null;
if (f)
{
obj = MainDic.CreateObj(t);
}
else
{
obj = Activator.CreateInstance(t) as MObj;
if (obj == null)
{
throw new Exception($@"Тип ""{t}"" не наследует от MObj");
}
obj.Model = this;
}
SetObjValues(obj, rdr);
if (obj is MEDMObj)
{
MainDic.AddObj(obj as MEDMObj);
}
if (list != null)
{
list.Add(obj);
}
}
plist.AllCount++;
}
else
{
MObj obj = null;
if (f)
{
obj = MainDic.CreateObj(t);
}
else
{
obj = Activator.CreateInstance(t) as MObj;
if (obj == null)
{
throw new Exception($@"Тип ""{t}"" не наследует от MObj");
}
obj.Model = this;
}
SetObjValues(obj, rdr);
if (obj is MEDMObj)
{
MainDic.AddObj(obj as MEDMObj);
}
if (list != null)
{
list.Add(obj);
}
}
}
}
if (plist != null && allCount >= 0)
{
plist.AllCount = allCount;
}
MainTrace.Add(TraceType.Sql, $"SELECT => {com.CommandText}");
}
finally
{
ConnectionPool.FreeConnection(con);
}
return(list);
}