public List <SimpDataEntery> ExecuteSimpData(DbCommand cmd)
{
MyTransaction _tran = MyTransaction.BeginTransaction(cmd);
List <SimpDataEntery> _simpDbEnterys = new List <SimpDataEntery>();
SimpDataColInf[] _simpCols;
List <object[]> _simpRows;
string _fieldType = string.Empty;
try
{
using (DbDataReader _reader = cmd.ExecuteReader())
{
do
{
_simpCols = new SimpDataColInf[_reader.FieldCount];
for (int _i = 0, _iCnt = _reader.FieldCount; _i < _iCnt; _i++)
{
_simpCols[_i].name = _reader.GetName(_i);
_simpCols[_i].type = (DotNetType)Enum.Parse(typeof(DotNetType), _reader.GetFieldType(_i).Name);
}
_simpRows = new List <object[]>();
while (_reader.Read())
{
object[] _objs = new object[_reader.FieldCount];
for (int _i = 0, _iCnt = _reader.FieldCount; _i < _iCnt; _i++)
{
if ((_objs[_i] = _reader.GetValue(_i)).Equals(DBNull.Value))
{
_objs[_i] = null;
}
if (_objs[_i] is DateTime)
{
_objs[_i] = ((DateTime)_objs[_i]).ToString();
}
if (_objs[_i] is Boolean)
{
_objs[_i] = _objs[_i].Equals(true) ? 1 : 0;
}
}
//_reader.GetValues(_objs);
_simpRows.Add(_objs);
}
_simpDbEnterys.Add(new SimpDataEntery()
{
Cols = _simpCols, Rows = _simpRows, TVal = System.DateTime.Now.Ticks
});
} while (_reader.NextResult());
_reader.Close();
_tran.Commit();
}
}
catch (Exception e)
{
_tran.Rollback();
_simpDbEnterys.Add(CreateErrorSimpDataEntery(e.ToString()));
}
return(_simpDbEnterys);
}
//返回SQL影响的行数
public object ExecuteScalar(DbCommand cmd)
{
MyTransaction _tran = MyTransaction.BeginTransaction(cmd);
object ret = null;
try
{
ret = cmd.ExecuteScalar();
_tran.Commit();
}
catch (Exception e)
{
_tran.Rollback();
return(e.ToString());
}
return(ret);
}
//返回DataSet对象
public DataSet ExecuteDataSet(DbCommand cmd)
{
DbProviderFactory dbfactory = DbProviderFactories.GetFactory(SimpDataDBHelper.dbProviderName);
DbDataAdapter dbDataAdapter = dbfactory.CreateDataAdapter();
DataSet ds = new DataSet();
MyTransaction _tran = MyTransaction.BeginTransaction(cmd);
dbDataAdapter.SelectCommand = cmd;
try
{
dbDataAdapter.Fill(ds);
_tran.Commit();
}
catch (Exception e)
{
_tran.Rollback();
ds.Tables.Add(CreateErrorTable(e.ToString()));
}
return(ds);
}
internal string ExecuteJsonScalar(DbCommand cmd)
{
var dbfactory = DbProviderFactories.GetFactory(dbProviderName);
var dbDataAdapter = dbfactory.CreateDataAdapter();
var ds = new DataSet();
var tran = MyTransaction.BeginTransaction(cmd);
if (dbDataAdapter == null)
{
return("{\"ERROR\":\"\"}");
}
dbDataAdapter.SelectCommand = cmd;
try
{
dbDataAdapter.Fill(ds);
tran.Commit();
}
catch (Exception e)
{
tran.Rollback();
ds.Tables.Add(CreateErrorTable(e.ToString()));
}
return(JsonHelper.DataSetToJson(ds));
}