public void Switch(TableResolver resolver, DataRow row)
{
TkDebug.AssertArgumentNull(resolver, "resolver", null);
TkDebug.AssertArgumentNull(row, "row", null);
object value = row[NickName];
row.BeginEdit();
try
{
if (value == DBNull.Value)
{
switch (NullValueProcess)
{
case SwitchNullProcessMethod.OpenValue:
row[NickName] = OpenValue;
break;
case SwitchNullProcessMethod.ThrowException:
throw new WebPostException(ErrorMessage);
}
}
else if (value.ToString() == OpenValue)
{
row[NickName] = CloseValue;
}
else
{
row[NickName] = OpenValue;
}
if (UpdateTrackField)
{
resolver.UpdateTrackField(UpdateKind.Update, row);
}
}
finally
{
row.EndEdit();
}
resolver.SetCommands(AdapterCommand.Update);
resolver.UpdateDatabase();
}