public virtual bool SaveOnly()
{
bool saved = false;
RowAdapter d = GetPersistentRow();
foreach (DataRow dataRow in dataTable.Rows)
{
if (dataRow.RowState != DataRowState.Deleted)
{
d.UpdateColumnValue(dataRow);
if (DataRowChangedHandler != null)
{
d.RowChanged += DataRowChangedHandler;
}
if (ValueChangedHandler != null)
{
d.ValueChangedHandler = ValueChangedHandler;
}
if (dataRow.RowState != DataRowState.Unchanged)
{
saved = d.Save();
}
}
else
{
dataRow.RejectChanges();
d.UpdateColumnValue(dataRow);
if (DataRowChangedHandler != null)
{
d.RowChanged += DataRowChangedHandler;
}
if (ValueChangedHandler != null)
{
d.ValueChangedHandler = ValueChangedHandler;
}
d.Delete();
dataRow.Delete();
}
}
return(saved);
}
public virtual bool Delete()
{
bool deleted = false;
RowAdapter d = new RowAdapter(this.fields, this.columns, this.TableName, this.Locator);
foreach (DataRow dataRow in dataTable.Rows)
{
if (dataRow.RowState == DataRowState.Deleted)
{
dataRow.RejectChanges();
d.UpdateColumnValue(dataRow);
if (DataRowChangedHandler != null)
{
d.RowChanged += DataRowChangedHandler;
}
if (ValueChangedHandler != null)
{
d.ValueChangedHandler = ValueChangedHandler;
}
deleted = d.Delete();
if (deleted)
{
dataRow.Delete();
}
}
}
dataTable.AcceptChanges();
return(deleted);
}
public virtual bool Load()
{
RowAdapter d = GetPersistentRow();
foreach (DataRow dataRow in dataTable.Rows)
{
if (dataRow.RowState == DataRowState.Deleted)
{
continue;
}
d.UpdateColumnValue(dataRow);
d.Load();
foreach (ColumnAdapter column in columns)
{
dataRow[column.Field.Name] = d.Row[column.Field.Name];
}
}
dataTable.AcceptChanges();
return(true);
}
public virtual bool Delete()
{
bool deleted = false;
RowAdapter d = new RowAdapter(this.fields, this.columns, this.TableName, this.Locator);
foreach (DataRow dataRow in dataTable.Rows)
{
if (dataRow.RowState == DataRowState.Deleted)
{
dataRow.RejectChanges();
d.UpdateColumnValue(dataRow);
if (DataRowChangedHandler != null)
d.RowChanged += DataRowChangedHandler;
if (ValueChangedHandler != null)
d.ValueChangedHandler = ValueChangedHandler;
deleted = d.Delete();
if (deleted)
dataRow.Delete();
}
}
dataTable.AcceptChanges();
return deleted;
}