c# DataRowÌí¼Óµ½DataTable

DataRow dr = dc[0].Table.Rows[0];
public static DataTable ConvertToDatatable(DataRowCollection dc, ISession m_session)
{
DataTable dt = new DataTable();
dt.Columns.Add("Åú×¼ÎĺÅ", Type.GetType("System.String"));
dt.Columns.Add("À´Ô´ÀàÐÍ", Type.GetType("System.String"));
dt.Columns.Add("¹©Ó¦Ãæ»ý", Type.GetType("System.String"));
dt.Columns.Add("½¨ÉèÓõØÏîÄ¿Ãû³Æ", Type.GetType("System.String"));
dt.Columns.Add("MBBSM", Type.GetType("System.String"));
for (int i = 0; i < dc.Count; i++)
{
DataRow dr = dt.NewRow();
dr["Åú×¼ÎĺÅ"] = dc[i]["BPPZWH"].ToString();
dr["À´Ô´ÀàÐÍ"] = dc[i]["TDLY"].ToString();
dr["¹©Ó¦Ãæ»ý"] = dc[i]["GDMJ"].ToString();
dr["½¨ÉèÓõØÏîÄ¿Ãû³Æ"] = dc[i]["BPDKMC"].ToString();
dr["MBBSM"] = dc[i]["MBBSM"].ToString();
dt.Rows.Add(dr);
}
return dt;
}