///
/// Clone新的DataSet。
///
public override DataSet Clone()
{
DataSetCHAT_RECORD cln = ((DataSetCHAT_RECORD)(base.Clone()));
cln.InitVars();
return(cln);
}
///
/// 得到改变的DataSetCHAT_RECORD实体。注意：得到的实体里面的Relations（如果存在）已经被删除，也就是说得到的实体表之间时没有任何关联的， 并且得到的数据集呈现无改变状态。
///
public DataSetCHAT_RECORD GetChangesEntity(DataRowState ds)
{
///////// 2006-02-21
DataSetCHAT_RECORD dataSet = (DataSetCHAT_RECORD)this.GetChanges(ds);
return(dataSet);
/* 2006=02-21
* DataSetCHAT_RECORD entity = new DataSetCHAT_RECORD();
* entity.Relations.Clear();
*
* DataSet dataSet = this.GetChanges();
* foreach(DataTable dt in dataSet.Tables)
* {
* foreach(DataRow dr in dt.Rows)
* {
* if(dr.RowState == ds)
* {
* if(dr.RowState == DataRowState.Deleted)
* dr.RejectChanges();
* entity.Tables[dt.TableName].Rows.Add(dr.ItemArray);
* if(ds == DataRowState.Deleted)
* dr.Delete();
* }
* }
* }
* entity.AcceptChanges();
* return entity;
*/
/*foreach(DataTable dt in this.Tables)
* {
* DataTable changeTable = dt.GetChanges(ds);
* if(changeTable != null)
* {
* entity.Tables.Remove(changeTable.TableName);
* entity.Tables.Add(changeTable.Copy());
* }
* }
* return entity;*/
}