摘要:
aspx文件:<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="wangyi.aspx.cs" Inherits="_12._18zuoye.wangyi" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd&qu 阅读全文
摘要:
aspx文件:<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="wangyibushuaxinyemian.aspx.cs" Inherits="_12._18zuoye.wangyibushuaxinyemian" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/ 阅读全文
摘要:
--1、声明变量 declare @name varchar(20) declare @age int --2、赋值 --(1) set @age=18 set @name='yqq' --(2) select @age=18 select @name='yqq' --3分别使用set和select 为行号变量@rcount赋值 declare @rcount int set @rcount=(select COUNT (*) from T_Student) print @rcount select @rcount= COUNT (*) from T_Stude 阅读全文