Specify SQL Server-specific connection string

Simple include function to loop through a given string and (a) concatenate it to the maximum length, (b) silently drop any unwanted characters and (c) pad all single quotes with a 2nd single quote (for using in MS-SQL statements).

C#中非常有用的几个工具类源码，可以大大提高你编码的效率，包括字符串加密、SqlHelper基类、C#读取AD域里用户名或组-Several very useful tool in C# source code, you can greatly improve your coding efficiency, including string the encryption, SqlHelper base class, C# read AD domain user or group, and so

一、请用T-SQL语句实现以下题目要求。 1、熟悉变量的声明、变量的赋值、输出结果 目的：查询并返回product产品表中产品名称以C开头的产品的条数 要求：产品名称以C开头的条件用变量来表示，查询出来的产品条数也用变量表示，并最终需要返回 The sum of the product is +查询出来的产品条数。 2、熟悉IF语句 给一变量赋值字符串 THIS IS MY BOOK ，如果此字符串的长度大于10，则返回其字符串第一位到第四位，否则返回后四位字符串。 3、