/////////////////
public int CommitChanges(DataSetCHAT_RECORD entity, DataRowState drs)
{
int iRtn = 0;
if (!entity.HasChanges(drs))
{
return(iRtn);
}
CheckData(entity);
bool isExistTrans = db.IsInTransaction();
if (!isExistTrans)
{
db.BeginTrans();
}
try
{
if (drs == DataRowState.Deleted)
{
iRtn += DeleteEntity(entity.GetChangesEntity(drs));
}
else if (drs == DataRowState.Modified)
{
iRtn += UpdateEntity(entity.GetChangesEntity(drs));
}
else if (drs == DataRowState.Added)
{
iRtn += InsertEntity(entity.GetChangesEntity(drs));
}
if (!isExistTrans)
{
db.CommitTrans();
}
return(iRtn);
}
catch (Exception e)
{
if (isExistTrans)
{
db.RollbackTrans();
}
throw e;
}
}
///
/// 检查给定的实体是否有更改，如果有把更改的行提交到数据库。
///
/// 要检验的实体
public int CommitChanges(DataSetCHAT_RECORD entity)
{
int iRtn = 0;
if (!entity.HasChanges())
{
return(iRtn);
}
CheckData(entity);
bool isExistTrans = db.IsInTransaction();
if (!isExistTrans)
{
db.BeginTrans();
}
try
{
//CommitChanges(entity, DataRowState.Deleted);
//CommitChanges(entity, DataRowState.Modified);
//CommitChanges(entity, DataRowState.Added);
////////// 2006-05-21
iRtn += CommitChanges(entity, DataRowState.Deleted, null, null);
iRtn += CommitChanges(entity, DataRowState.Modified, alUpdateColumn, alUpdateControl);
iRtn += CommitChanges(entity, DataRowState.Added, null, null);
/////////////
if (!isExistTrans)
{
db.CommitTrans();
}
return(iRtn);
}
catch (Exception e)
{
if (isExistTrans)
{
db.RollbackTrans();
}
throw e;
}
}