if (adoquery1.FieldByName('number').AsString <> '') and (number3 = '')
number3是变量还是结果集字段名? 变量:if (adoquery1.FieldByName('number').AsString <> '') and (number3 = '') then 结果集字段名:if (adoquery1.FieldByName('number').AsString <> '') and (adoquery1.FieldByName('number3').AsString = '') then
number3是变量还是结果集字段名? 变量:if (adoquery1.FieldByName('number').AsString <> '') and (number3 = '') then 结果集字段名:if (adoquery1.FieldByName('number').AsString <> '') and (adoquery1.FieldByName('number3').AsString = '') then
变量:if (adoquery1.FieldByName('number').AsString <> '') and (number3 = '') then 结果集字段名:if (adoquery1.FieldByName('number').AsString <> '') and (adoquery1.FieldByName('number3').AsString = '') then
变量:if (adoquery1.FieldByName('number').AsString <> '') and (number3 = '') then 结果集字段名:if (adoquery1.FieldByName('number').AsString <> '') and (adoquery1.FieldByName('number3').AsString = '') then