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C#ÖÐÒÔwindowsÑéÖ¤·½Ê½Á¬½ÓSQL serverÊý¾Ý¿âµÄÀà¡£ºÜ¶àÈËÁ¬½ÓÊý¾Ý¿âʱ¿ÉÄܶ¼ÊÇÍøÉϲéÁËÈ»ºó¾ÍÁ¬ÁË£¬¶ÔÓÚ²ÎÊýµÄº¬Òåµ¹ÊÇûÔõôÔÚÒ⣬żҲÊÇ£¨ºÇºÇ£©£¬µ±È»ÎÒÃǶ¼×¢Öؽá¹ûÂ¿ÉÊÇÕâÑù²»ÈÝÒ×¼ÇÒäÿ´ÎÁ¬µÄʱºò¶¼ÊÇÉÏÍø²é£¬¸Ð¾õͦ²»·½±ã£¬ËùÒÔË÷ÐÔ²éÁËһϡ£~~~Integrated Security=True£»±íʾÔÚÁ¬½ÓÊý¾Ý¿â½øÐÐÉí·ÝÑé֤ʱÓÃwindows¼¯³ÉµÄÉí·ÝÑé֤ģʽ£¬TRUE¿ÉÒԸijÉSSPI±íʾͬһ¸öÒâ˼£¬Èç¹ûΪFalseµÄ»°£¬¾Í»áÓÃUserid ºÍPWµÄģʽ½øÐеǽ£¬Ò²¾ÍÊÇ˵µ±Integrated Security=true£»Ê±UserIDºÍPwÊDz»Æð×÷Óõģ¬Ö»Óе±ÆäÉèÖÃΪFalseʱÊý¾Ý¿â²Å»áÓÃUserIdºÍPwµÄ·½Ê½½øÐеǼ£¬¿ÉÒÔÉè³ÉIntegrated Security={true£¬False£¬yes£¬No£¬SSPi}Õ⼸¸ö²ÎÊý£¬ÆäÖÐTRUE=yes=SSpI¡£Pooling=False±íʾÊÇ·ñʹÓÃÁ¬½Ó³Ø£¬False±íʾ²»Ê¹ÓÃÁ¬½Ó³Ø£¬Á¬½Ó³Ø¾ÍÊÇÓÐһЩÓëÊý¾Ý¿âµÄÁ¬½Ó·ÅÔÚÀïÃæ£¬½¨Á¢ÐµÄÁ¬½Óʱϵͳ»áÏÈ¿´ÀïÃæÓÐûÓÐÒ»ÑùµÄÁ¬½Ó£¬ÓоͲ»ÓÃн¨ÁË¡£
using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Data.SqlClient;
namespace SQL_work
{
    class DataConn
    {
        public static SqlConnection My_con;  //¶¨ÒåÒ»¸öSqlConnectionÀàÐ͵Ĺ«¹²±äÁ¿My_con£¬ÓÃÓÚÅжÏÊý¾Ý¿âÊÇ·ñÁ¬½Ó³É¹¦
        public static string M_str_sqlcon = @"Data Source=¼ÆËã»úÃû\SQLEXPRESS;Initial Catalog=db_work3;Integrated Security=True;Pooling=False";
      
        #region  ½¨Á¢Êý¾Ý¿âÁ¬½Ó
        /// <summary>
        /// ½¨Á¢Êý¾Ý¿âÁ¬½Ó.
        /// </summary>
        /// <returns>·µ»ØSqlConnection¶ÔÏó</returns>
        public static SqlConnection getcon()
        {
            My_con = new SqlConnection(M_str_sqlcon);   //ÓÃSqlConnection¶ÔÏóÓëÖ¸¶¨µÄÊý¾Ý¿â


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select ×Ö¶Î1 from ±í1 where ×Ö¶Î1.IndexOf("ÔÆ")=1;
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select ×Ö¶Î1 from ±í1 where charindex£¨'ÔÆ',×Ö¶Î1£©=1; ×Ö·û´®º¯Êý¶Ô¶þ½øÖÆÊý¾Ý¡¢×Ö·û´®ºÍ ......

SQLÎļÓÃÜ

use Tempdb
go
if object_ID('fn_ACITEncryption') is not null
drop function fn_ACITEncryption
go
create function fn_ACITEncryption
(
@Str nvarchar(4000),--¼ÓÃܵÄ×Ö·û´®
@Flag bit=1,--1¡¢¼ÓÃÜ 0¡¢½âÃÜ
@Key nvarchar(50)--ÃÜÎÄ
)
returns nvarchar(4000)--這Àï¿É轉換 ......

sql ¼ÓÃÜ

use Tempdb
go
if object_ID ( 'fn_ACITEncryption' ) is not null
drop function fn_ACITEncryption
go
create function fn_ACITEncryption
(
@Str nvarchar ( 4000), -- ¼ÓÃܵÄ×Ö·û´®
@Flag bit = 1, --1 ¡¢¼ÓÃÜ 0 ¡¢½âÃÜ
@Key nvarchar ( 50) -- ÃÜÎÄ
)
returns nvarchar ( 4000) ......

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ÎÄÕ²ο¼£ºhttp://www.cnblogs.com/wenbhappy/archive/2008/07/02/1233660.html
Èç: 
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date (datetimeÀàÐÍ) 
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