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(); }