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資源簡介

使用C# SQL 完成 的一個模擬圖書管理的實例，作為初步開發的學習案例，實例使用了SQL 數據庫Book，數據庫腳本再DB文件夾下，執行即可。實例有登陸、借書、還書等模快，及相關的數據庫執行

資源截圖

代碼片段和文件信息 

using?System;
using?System.Collections.Generic;
using?System.Data;
using?System.Linq;
using?System.Text;
using?System.Threading.Tasks;
using??System.Data.SqlClient;
using?System.Windows.Forms;

namespace?Wingtech.BooksManage
{
????static?class?baseFunction
????{
????????public?static?string?SqlConnectionString?=?“server=.;database=Book;uid=sa;pwd=test“;
????????public?static?string?UserName?=?““;

????????public?static?bool?QueryBySql（string?sql）
????????{
????????????using?（SqlConnection?sqlConnection?=?new?SqlConnection（SqlConnectionString））
????????????{
????????????????try
????????????????{
????????????????????sqlConnection.Open（）;
????????????????????SqlCommand?command?=?new?SqlCommand（sql?sqlConnection）;
????????????????????if?（（int）command.ExecuteScalar（）?>?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件?????????40??2018-11-24?16:03??Wingtech.BooksManage\.git\COMMIT_EDITMSG

?????文件????????734??2018-11-24?16:03??Wingtech.BooksManage\.git\config

?????文件?????????73??2018-11-24?16:03??Wingtech.BooksManage\.git\description

?????文件?????????23??2018-11-24?16:03??Wingtech.BooksManage\.git\HEAD

?????文件????????478??2018-11-24?16:03??Wingtech.BooksManage\.git\hooks\applypatch-msg.sample

?????文件????????896??2018-11-24?16:03??Wingtech.BooksManage\.git\hooks\commit-msg.sample

?????文件????????189??2018-11-24?16:03??Wingtech.BooksManage\.git\hooks\post-update.sample

?????文件????????424??2018-11-24?16:03??Wingtech.BooksManage\.git\hooks\pre-applypatch.sample

?????文件???????1642??2018-11-24?16:03??Wingtech.BooksManage\.git\hooks\pre-commit.sample

?????文件???????1348??2018-11-24?16:03??Wingtech.BooksManage\.git\hooks\pre-push.sample

?????文件???????4898??2018-11-24?16:03??Wingtech.BooksManage\.git\hooks\pre-rebase.sample

?????文件????????544??2018-11-24?16:03??Wingtech.BooksManage\.git\hooks\pre-receive.sample

?????文件???????1239??2018-11-24?16:03??Wingtech.BooksManage\.git\hooks\prepare-commit-msg.sample

?????文件???????3610??2018-11-24?16:03??Wingtech.BooksManage\.git\hooks\update.sample

?????文件???????4562??2018-11-24?16:03??Wingtech.BooksManage\.git\index

?????文件????????240??2018-11-24?16:03??Wingtech.BooksManage\.git\info\exclude

?????文件????????203??2018-11-24?16:03??Wingtech.BooksManage\.git\logs\HEAD

?????文件????????203??2018-11-24?16:03??Wingtech.BooksManage\.git\logs\refs\heads\master

?????文件????????150??2018-11-24?16:04??Wingtech.BooksManage\.git\ms-persist.xml

?????文件???????1359??2018-11-24?16:03??Wingtech.BooksManage\.git\objects\00\0621cfedfe7544d2894427b28cddffc215bc01

?????文件????????795??2018-11-24?16:03??Wingtech.BooksManage\.git\objects\07\f77c88ae33713f2da006d0f9e5cb61748e9b06

?????文件????????832??2018-11-24?16:03??Wingtech.BooksManage\.git\objects\09\0b489fa6b59a13874958c6f6d8e75e1b10c3b4

?????文件???????1223??2018-11-24?16:03??Wingtech.BooksManage\.git\objects\12\e809955bd0d2823863a388078bb471f408d67b

?????文件???????1306??2018-11-24?16:03??Wingtech.BooksManage\.git\objects\15\cf9849fa36ab0e5ce94de38debb7c4bd6f1242

?????文件???????1665??2018-11-24?16:03??Wingtech.BooksManage\.git\objects\1a\f7de150c99c12dd67a509fe57c10d63e4eeb04

?????文件???????1329??2018-11-24?16:03??Wingtech.BooksManage\.git\objects\1f\5853c1fe0155c661f6a3d4b9f797ca879fa0f3

?????文件????????751??2018-11-24?16:03??Wingtech.BooksManage\.git\objects\1f\f0c423042b46cb1d617b81efb715defbe8054d

?????文件???????1119??2018-11-24?16:03??Wingtech.BooksManage\.git\objects\22\30914cbce1f94acdc50f32f33b61810086c956

?????文件????????494??2018-11-24?16:03??Wingtech.BooksManage\.git\objects\29\5fad0271553bbfc413859e627c4e6e9c1dd0f9

?????文件????????339??2018-11-24?16:03??Wingtech.BooksManage\.git\objects\31\25c7c4a8f6e7a252d9b4f80c4cb9aa88b73c70

............此處省略203個文件信息

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