private void button11_Click(object sender, EventArgs e)
{
SelectCommand command = new SelectCommand(conStr);
DataTable tb = command.Table("testuser").GroupWrapLeft(LogicOperator.And).Where(LogicOperator.And, "name", ValueOperator.Equal, "jack").NullWhere(LogicOperator.Or, "name", NullValueOperator.Is).GroupWrapRight().SelectDataTable();
dataGridView1.DataSource = tb;
//测试返回数组，取消注释加断点
//object[][] rows = command.Table("testuser").Where(LogicOperator.And, "name", ValueOperator.Equal, "jack").SelectArray();
}