? string sql = "select * from? [product] where 1=1";
??????? //商品名稱不為空
??????? if (shopName != "")
??????? {
??????????? sql += " and [proName]='" + shopName + "'";
??????? }
??????? //商品編號不為空
??????? if (Number != "")
??????? {
??????????? sql += " and [proOwnerId]='" + Number + "'";
??????? }
??????? //商品說明不為空
??????? if (shopRemark != "")
??????? {
??????????? sql += " and [promiaoshu]=" + shopRemark + "'";
??????? }
??????? //一級類別不為空
??????? if (dropClass != "")
??????? {
??????????? sql += " and [proclass]='" + dropClass + "'";
??????? }
??????? //二級類別不為空
??????? if (dropclass1 != "")
??????? {
??????????? sql += " and [class]='" + dropclass1 + "'";
??????? }
??????? //三級類別不為空
??????? if (dropclass2 != "")
??????? {
??????????? sql += " or [ThreeClass]='" + dropclass2 + "'";
??????? }

轉載于:https://www.cnblogs.com/freexiaoyu/archive/2008/05/24/1206459.html

總結

以上是生活随笔為你收集整理的asp.net 多条件查询的全部內容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網站內容還不錯，歡迎將生活随笔推薦給好友。