ASP.NET成绩管理系统源码(含数据库).zip

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  • 2020-09-28 11:55
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ASP.NET成绩管理系统源码(含数据库),vs2019下可运行
ASP.NET成绩管理系统源码(含数据库).zip
内容介绍
<html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta charset="utf-8"> <meta name="generator" content="pdf2htmlEX"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <link rel="stylesheet" href="https://static.pudn.com/base/css/base.min.css"> <link rel="stylesheet" href="https://static.pudn.com/base/css/fancy.min.css"> <link rel="stylesheet" href="https://static.pudn.com/prod/directory_preview_static/6275792a602a7856fe79499c/raw.css"> <script src="https://static.pudn.com/base/js/compatibility.min.js"></script> <script src="https://static.pudn.com/base/js/pdf2htmlEX.min.js"></script> <script> try{ pdf2htmlEX.defaultViewer = new pdf2htmlEX.Viewer({}); }catch(e){} </script> <title></title> </head> <body> <div id="sidebar" style="display: none"> <div id="outline"> </div> </div> <div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/6275792a602a7856fe79499c/bg1.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x1 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0">&#38468;&#24405;<span class="_ _0"> </span><span class="ff2">B </span>&#22806;&#25991;&#36164;&#26009;&#19982;&#20013;&#25991;&#35793;&#25991;</div><div class="t m0 x1 h3 y3 ff2 fs0 fc0 sc0 ls0 ws0">B1 <span class="ff1">&#22806;&#25991;&#36164;&#26009;</span></div><div class="t m0 x2 h4 y4 ff3 fs1 fc0 sc0 ls0 ws0">How to tr<span class="_ _1"></span>oubleshoot connectivity issues in SQL</div><div class="t m0 x3 h4 y5 ff3 fs1 fc0 sc0 ls0 ws0">Server 2000</div><div class="t m0 x4 h5 y6 ff2 fs2 fc0 sc0 ls0 ws0">Chris T<span class="_ _1"></span>ull, Microsoft Help and Su<span class="_ _1"></span>pport</div><div class="t m0 x5 h5 y7 ff2 fs2 fc0 sc0 ls0 ws0">This article can help you to resolve connectivity problems with Microsoft SQL Server 2000. </div><div class="t m0 x1 h5 y8 ff2 fs2 fc0 sc0 ls0 ws0">This article contains descriptions of common connectivity problems and the steps that you can </div><div class="t m0 x1 h5 y9 ff2 fs2 fc0 sc0 ls0 ws0">take to help resolve your connectivity problems. </div><div class="t m0 x5 h5 ya ff2 fs2 fc0 sc0 ls0 ws0">SQL Server 2000 supports several methods of communication between the instance of SQL </div><div class="t m0 x1 h5 yb ff2 fs2 fc0 sc0 ls0 ws0">Server and the client applications. If your client application and the instance of SQL Server reside </div><div class="t m0 x1 h5 yc ff2 fs2 fc0 sc0 ls0 ws0">on the same computer, Microsoft Windows interprocess communication (IPC) components, such </div><div class="t m0 x1 h5 yd ff2 fs2 fc0 sc0 ls0 ws0">as local named pipes or the Shared Memory protocol, are used to communicate. However, when </div><div class="t m0 x1 h5 ye ff2 fs2 fc0 sc0 ls0 ws0">the client application and the instance of SQL Server reside on different computers, a network </div><div class="t m0 x1 h5 yf ff2 fs2 fc0 sc0 ls0 ws0">IPC, such as TCP/IP or named pipes, is used to communicate.</div><div class="t m0 x1 h5 y10 ff2 fs2 fc0 sc0 ls0 ws0">SQL Server 2000 uses Net-Library, a DLL, to communicate with a particular network protocol. A </div><div class="t m0 x1 h5 y11 ff2 fs2 fc0 sc0 ls0 ws0">matching pair of Net-Libraries must be active on the client computer and the server computer to </div><div class="t m0 x1 h5 y12 ff2 fs2 fc0 sc0 ls0 ws0">support the network protocol that you want to use. For example, if you want to enable a client </div><div class="t m0 x1 h5 y13 ff2 fs2 fc0 sc0 ls0 ws0">application to communicate with a specific instance of SQL Server across TCP/IP, the client </div><div class="t m0 x1 h5 y14 ff2 fs2 fc0 sc0 ls0 ws0">TCP/IP Sockets Net-Library (Dbnetlib.dll) must be configured to connect to the server on the </div><div class="t m0 x1 h5 y15 ff2 fs2 fc0 sc0 ls0 ws0">client computer. Likewise, the server TCP/IP Sockets Net-Library (Ssnetlib.dll) must listen on the </div><div class="t m0 x1 h5 y16 ff2 fs2 fc0 sc0 ls0 ws0">server computer. In this scenario, the TCP/IP protocol stack must be installed on both the client </div><div class="t m0 x1 h5 y17 ff2 fs2 fc0 sc0 ls0 ws0">computer and the server computer.</div><div class="t m0 x1 h5 y18 ff2 fs2 fc0 sc0 ls0 ws0">After you install SQL Server 2000, you can configure the properties of the client Net-Libraries by </div><div class="t m0 x1 h5 y19 ff2 fs2 fc0 sc0 ls0 ws0">using Client Network Utility. You can configure the properties of the server Net-Libraries by </div><div class="t m0 x1 h5 y1a ff2 fs2 fc0 sc0 ls0 ws0">using Server Network Utility (Svrnetcn.exe). The server Net-Libraries are installed during the </div><div class="t m0 x1 h5 y1b ff2 fs2 fc0 sc0 ls0 ws0">installation of the server tools in SQL Server Setup. However, some of the server Net-Libraries </div><div class="t m0 x1 h5 y1c ff2 fs2 fc0 sc0 ls0 ws0">may not be active. By default, SQL Server 2000 enables and listens on TCP/IP, named pipes, and </div><div class="t m0 x1 h5 y1d ff2 fs2 fc0 sc0 ls0 ws0">Shared Memory. Therefore, for a client to connect to a server computer, the client must connect </div><div class="t m0 x1 h5 y1e ff2 fs2 fc0 sc0 ls0 ws0">by using a client Net-Library that matches one of the server Net-Libraries that is currently being </div><div class="t m0 x1 h5 y1f ff2 fs2 fc0 sc0 ls0 ws0">used by the instance of SQL Server.</div><div class="t m0 x1 h5 y20 ff2 fs2 fc0 sc0 ls0 ws0">For additional information about SQL Server communication components and Net-Libraries, see </div><div class="t m0 x1 h5 y21 ff2 fs2 fc0 sc0 ls0 ws0">the following topics in SQL Server Books Online: </div><div class="t m0 x5 h5 y22 ff2 fs2 fc0 sc0 ls0 ws0">&#8226;<span class="_ _2"> </span>Communication Components</div><div class="t m0 x5 h5 y23 ff2 fs2 fc0 sc0 ls0 ws0">&#8226;<span class="_ _2"> </span>Client and Server Net-Libraries</div><div class="t m0 x5 h5 y24 ff2 fs2 fc0 sc0 ls0 ws0">&#8226;<span class="_ _2"> </span>Managing Clients</div><div class="t m0 x5 h5 y25 ff2 fs2 fc0 sc0 ls0 ws0">Troubleshoot connectivity issues</div></div><div class="t m0 x6 h6 y26 ff2 fs3 fc0 sc0 ls0 ws0">1</div></div><div class="pi" data-data='{"ctm":[1.611850,0.000000,0.000000,1.611850,0.000000,0.000000]}'></div></div> </body> </html>
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