public List <SimpDataEntery> ExecuteSimpData(DbCommand cmd)
{
MyTransaction tran = MyTransaction.BeginTransaction(cmd);
List <SimpDataEntery> simpDbEnterys = new List <SimpDataEntery>();
try
{
using (DbDataReader reader = cmd.ExecuteReader())
{
do
{
var simpCols = new SimpDataColInf[reader.FieldCount];
for (int i = 0, iCnt = reader.FieldCount; i < iCnt; i++)
{
simpCols[i].Name = reader.GetName(i);
var fieldType = reader.GetFieldType(i);
if (fieldType != null)
{
simpCols[i].Type = (DotNetType)Enum.Parse(typeof(DotNetType), fieldType.Name);
}
}
var 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(CultureInfo.InvariantCulture);
}
}
//_reader.GetValues(_objs);
simpRows.Add(objs);
}
simpDbEnterys.Add(new SimpDataEntery()
{
Cols = simpCols, Rows = simpRows, Val = 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;
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(DbProviderName);
DbDataAdapter dbDataAdapter = dbfactory.CreateDataAdapter();
DataSet ds = new DataSet();
MyTransaction tran = MyTransaction.BeginTransaction(cmd);
if (dbDataAdapter != null)
{
dbDataAdapter.SelectCommand = cmd;
try
{
dbDataAdapter.Fill(ds);
tran.Commit();
}
catch (Exception e)
{
tran.Rollback();
ds.Tables.Add(CreateErrorTable(e.ToString()));
}
}
return(ds);
}