/// <summary>
/// 新增数据发生变化
/// <para>重新生成Sql表达式</para>
/// </summary>
private void OnNewItemChanged()
{
if (p_NewItem == null)
{
Express = null;
Paramet = null;
}
else
{
Express = MsSqlServerHelper.GetAddNewSql <T>(p_NewItem, out p_Par);
if (p_Par != null)
{
Paramet = p_Par.Paramets;
}
else
{
Paramet = null;
}
}
}
