ASP.NET--Web服务器端控件和Html控件

时间:2021-04-03 22:10:44

今天学习总结了一些相关概念和知识。

之前无论是做 单机的winform 还是 CS的winform 感觉,不到两年下来感觉还可以,虽然API有很多,但是还是比较熟悉基于WINDOWS消息机制的编程,但是现在网络硬件设施更新之快,BS 开发优势之大,不过需要的技术方面倒是得扩宽许多,JavaScript,CSS,Html都需要了解掌握,除webForm之外,对于现今主流的MVC更是需要学习。

概念:

asp.net控件服务端控件  --> 响应服务端事件
HTML控件客户端控件   -- >  响应客户端事件
HTML客户端事件是不会提交给服务端的,比说点击按钮,改变文字颜色等,只是针用户机器本身,是不会发送数据包给远程服务器的
而 asp.net按钮点击之后,将会以post或者get形式发送给服务器,进行数据库操作等等,页面提交之后将会刷新。
但是ajax技术使客户端控件发送请求给webservice

现象获取用户输入到文本框中的内容:

服务器端控件:string s=Textbox1.text;

html控件:string s=request.querystring["text1"]; //text1为参数

另:

<input type="text" name="name" ><input type="button" value="确定">
定义一个变量通过request.getParameter("name")取得,其中name 是标签名称
另外在javascript中可以
先在标签里加上一个id 如<input type="text" name="name" id="name">
再通过document.getElementById("name").value 取得标签中的值
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获取文本框中的内容有以下两种方法:

假设为如下文本框:

<input type="text" value="" id="text">

1、原生JS获取文本框的值:

document.getElementById("text").value  //text为文本框的id

2、jquery获取文本框的值:

$("#text").val()
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Web服务器端控件和Html控件 关系

HTML 页面的扩展名是 .htm 或 .html。假如浏览器从服务器请求某张 HTML 页面,服务器不进行任何修改,就会把该页面发往浏览器。
ASP.NET 页面的扩展名是 .aspx。如果浏览器请求某张 ASP.NET 页面,那么在把结果发回浏览器之前,服务器首先会处理页面中的可执行代码。
最终浏览器还是会由html输出,服务器控件的页面访问速度比html的要慢的多。asp.net以页面一遍遍刷新html的形式,这就决定了他的机制很慢。而且越是追求对程序员友好、功能强大,那么其性能问题越是严重。

一句话:服务器控件是封装好了html控件。 服务器控件通过ViewState维持状态,而HTML没有,如果没有交互的,可以直接用HTML控件。

服务器端控件都会有个runat="Server"属性,
这样才能够在后台对其进行设置修改,
也就是在cs代码里面能对其修改设置。
可测试 放个HTML控件 在CS代码是引用不出控件名的
然后HTML控件加上runat="Server" 在CS代码就能引用该控件了
本质上ASP.NET 的服务器控件 解析后返回到前台还是HTML控件
建个页面 放一个asp:textbox上去
然后运行页面,然后查看页面源文件
会发现放上的服务器控件变成了HTML的inupt type="button"

<asp:Button width="7%"  ID="btnupdate" runat="server" Text="Update" CssClass="trcss_tot1" OnClick="btnupdate_Click" />

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anpQDVBZ4YAADCJzpOMTotBagu8MQAABA+0XGK0WkpQHWBJwYAgPCJjlOMTksBqgs8MQAAAABEHTwxAAAAAEQdPDEAAAAARB08MQAAhE90RtlGp6UA1QWeGAAAwic6TjE6LQWoLvDEAAAQPtFxitFpKUB1gScGAIDwiY5TjE5LAaoLPDEAAIRPdJxidFoKUF3giQEAAAAg6uCJAQAAACDq4IkBAAAAIOrgiQEAIHyiM8o2Oi0FqC7wxAAAED7RcYrRaSlAdYEnBgCA8ImOU4xOSwGqCzwxAACET3ScYnRaClBd4IkBACB8ouMUo9NSgOoCTwwAAAAAUQdPDAAAAABRB08MAAAAAFEHTwwAAOETnVG20WkpQHWBJwYAgPCJjlOMTksBqgs8MQAAhE90nGJ0WgpQXeCJAQAgfKLjFKPTUoDqAk8MAADhEx2nGJ2WAlQXeGIAAAAAiDp4YgAAAACIOnhiAAAAAIg6eGIAAAif6IyyjU5LAaoLPDEAAIRPdJxidFoKUF3giQEAIHyi4xSj01KA6gJPDAAA4RMdpxidlgJUF3hiAAAIn+g4xei0FKC6wBMDAAAAQNTBEwMAAABA1METAwAAAEDUwRMDAED4RGeUbXRaClBd4IkBACB8ouMUo9NSgOoCTwwAAOETHacYnZYCVBd4YgAACJ/oOMXotBSgusATAwBA+ETHKUanpQDVBZ4YAAAAAKIOnhgAAAAAog6eGAAAAACiDp4YAADCJzqjbKPTUoDqAk8MAADhEx2nGJ2WAlQXeGIAAAif6DjF6LQUoLrAEwMAQPhExylGp6UA1QWeGAAAwic6TjE6LQWoLvDEAAAAABB18MQAAAAAEHXwxAAAAAAQdfDEAAAQPtEZZRudlgJUF3hiAAAIn+g4xei0FKC6wBMDAED4RMcpRqelANUFnhgAAMInOk4xOi0FqC7wxAAAED7RcYrRaSlAdYEnBgAAAICogycGAAAAgKiDJwYAAACAqIMnBgCA8InOKNvotBSgusATAwBA+ETHKUanpQDVBZ4YAADCJzpOMTotBagu8MQAABA+0XGK0WkpQHURe+/ESYQQQihcffs3L4e+DrQUoSgrdu36TE4Nzn2DApGfaCM/eu2110Jfh9oQkSSSlSYiSRgRCkV4YjxxVYrDPZGsNBFJIllRIowI5Stfnrhh74CbVu0bWLXP9a9UsFUIfXvXjDjcE8lKE5EkkhUlwohQvvLliVftHXBX/6q9/VTwWSH07V0z4nBPJCtNRJJIVpQII0L5qtg8McpLoW/vmhGHeyJZaSKSRLKiRBgRyle+PPHqP/7dXZ+t/uNnxVc4eenaiUvXSrqISqgQ+vauGZXucP/l9LW/nDx54IUXnnpq29M7drz40kunz3wQenurMZJRU5kj2T8w8Pbb7xx44YUDL7zw9tvvfPJpX+gRqNJI1qoII0L5Krbi8OT///GX3pW+v3+w1Lpx48aNGzcKnPzj7PjQmKP8y76bSzdcle3cP/j9/WMnvzIL+z4efHJowazz1b+eDLqZgW+/kdHPH25pefGllwqfyZm2RGOn5b8r2k5La3YmE21nrIVntq5YufWMY4ZucwhOJTrcXx4afnrHjvVNTeubmjY9+uimRx9Vf29vb788NOw5bee6+mRa+7GszqF1ndIAquFKrluxbF2nEVLLVKfbVprzKUFg843kJ5/2/fG5557esWNi8opYPjF55ekdO/743HMX//aJv0DNnG5baQZEGhzxT53JOn1C23z0/zq64vWZdKNaaIlqXf0yfVZBRrtsFuSzvw++9FJ648MPq51T1YYNDz3//IG+vlwDtBy75+m2lXrfM3Rmq9khhUPEmbZE/TJH5eBV+WbO0k8cMnqyrYfXiUfa0qvyw4hQpSl226HJxOEr3pXuOHC5FDr7z5kbLnw48pXXtL1Zd7O7dOPm0vjwuG2Szsmbp7qdsxo/9VW288DlOw5c3jJ8s7/38pbhm/q00/1fzW4JusmBb7+rU19ubWtb39R0+MiRAmdi88TXZ9KNy2zuRDuyW1xL57oVbaednvhMW8LiVEqlUhzuLw8NP9zSsr6p6cALL4yMfq4Wfv7FWLrzTxs2PPRwS4s/W6xGZuba9TNbV2ihSDdqTsIZWz3+RiTNqVSzIpxWjTmHGcmnntq2vqnpd7//vdMTb29vX9/U9Ktf/9pHlLT/apHxtgtGxxOraYXuVyCWiNk6qhHkIKNdHgsyMXlly5b/MS7VPjh77i8nT6oHgfVNTY8/vvnzL8a85iB4YjX4Tk+sX0joW+pMW6Jkl2QhRnLX7t3iRYWo1G9/6z2t7EJCl3mcFLuQvaO6XgFWWxgRqiXFbjs0eduhSe9KJfLEboZYxedMOidvnhrOjg/P9k9OO/yuZ57YUUf1xEKeuAo88bXrMx/3Xnj66R0PP9zy9tvv5DmtmCRLrmt08xZO22E4P6vVsBviM1tXLCtRaqQUh3vV0p0+88HVqS+vTmk3T9TfH3701/VNTU/v2PHl9LVc8+lct6ItLaaRGjsNT3zt+pmtjW1bZaFWa1Z4nvjy0LC361Udc++Fi9K/poWGr2tMyhJsbVKPK4lSoxoKW7ZYW8q6Tsuy6lYk19VKnvjACy+sb2r643PP/fKxx3bt7lALdz7zzIYND+3a3bG+qemZZ3Z5zUE1uI2dRuhs9i7d6Ii2eNnsuIQuhcoTydRvf1uUJ25MGhe6wk2elVvbNE98uq0tfX3mWmeyboW2y2vVqjlxgFBtK3xP7L/c4YY1I3tHb3Z8eFxLHtudsWZ8+3tzr4+eJJ7uvylNKleoJ752feaTT/sebmnZsOEhNy/iJf0kJxzZNRmZM63cM098um2l4CFst6qDPwEEfrg/dep91Wpcuz6zZcv/bNnyP2r5U09tU3+nO/+0vqnp+PETssm19mqXEO55Ypm88pF62lI+MKD8kbw69eX6pqZHHvmFW4Vf/frX65ua/vGPf7rOxGkIPEZNGJPYfFhnUs8uJz3yxHq+06+KjHYZLEj/wMD6pqadzzxz7frM2PiEceX2+Rdj/QMDX05f+93vf7++qelvbsNXOpOJxmRiRVu6LbmuUXL3X7IhOpPr2oT459xYQajyzdzptpXrOtUdvHPdiratak9Tc/D2Oxgrt3ZquXn9eqMchrgqwohQpSn2v49UnydW3bCXJqdz1/lqtlPMCrvUCTZVXKKtaJwL9+x5Nu/JLYZDcwOn21ZKE2mWfJ7oiTttOT/HgIqgE5yBH+7T6c71TU0f9164dn1GzRWp5cbvv33y6fqmpv37n3ebg37x0LnOnpVMrmtctq5T9M2iLJ7Ye5xiKVLF+Uby8cc3P9zS4vbX5uaNRujksg8LLsQTa95iRdtpWZ5YnMoY9iONZDrQaJfBgrz99jvrm5p++dhjp069bxR++NFf1dE+h48c2bDhofVNTcfefFM6+em2leva2hIr2k4LVyb2YQDGSAkzK2+5U1R744lPnXr/9UOHpPrLyZOukezUYqU74ORWtVDsz+JvIbBliGH5w4hQDSj2z6vXd+Z6xi5wN/zfr/9zcuZrb098bXa+6ciI+0yk433N8cFmybA9c6wOHbbP7ebS+PB456Q001zRnnj08y+e279/fVNTx549ly4P5T0H7Ui9cl3jSsczTNZjt5/xxOVS4If7p3fs2LDhITXxJvXE167PPNzS8pvWVrc5CJ7YbqSMPLGRendcXThn2Lmuflmi7Uy6sVTjTwqIpDpu1ePSSx2jub293a2CnipbufWMc0yOcT1mK3SG1MjBd66rX5lwXLYl2s7YRkFstaTqnU46gGiXwYKoAyfUIe/Xrs/0Xrj4q1//+uGWFvWlEy+//Ir6V5fhE2e2rjBzlka5xBMbFcr+WFjZIinqLydPFuiJxYcRjYs98zipj/BRL8mEsKcbHYmD6g8jQjWg2I6PpgYnrntXCtwa/uzwyNRX2WI9sddAYdP+ShPAqicWcsnCVOIDfBWfJ/5y+tozz+xSh7rannnyIT0HrJ72JLk0t1SxbDyxLb1U4sRS4If79qd3PPxwy/A//nnNxROPjU/88rHHtm3b7jYHiycWgqk6LdET68G3P+Z1zTKaUzBt4qYJNU+sDsF8escOtwqqJ3YdjnmmLbFiZULtP0YD5Xli0QdbQnRNyKYnGpOJFcl16i3sxk51VuLD/sZv+zDZ+mQ66GiXzRN/+NFf1f++/fY7D7e0GP+9dn3m3PnzOYYUn7Hdx3fsqs48seGMzbRoaZtZ+WZOeCJTu6Y93bZSs7mdxnjipHq1Jr1TUXvpdoRqQLHbDk3+sOvKmX96PTlUoqRpceOJfeSJu2f7v7rpzPsKeWL7M3YlNcSl8MQjo583N2/c3t6evyHWJbsxbT1e645EO9abo+jsnliWUvIcSlu4Aj/cq25DHZDd3LyxuXmjWm78VodyergNbYhh48qEYCNUT2bzxOk2NXTGaGPbKxGsJ85SGuICIqm+n87tr83NGzdseMgzRI4cbW5P7N6LOpN1jW3O4T3GDI1RFi554iCjXY6xE++8u76p6ejRN76cvjY2PjE2PjEy+rn6Y2x84svpay+8+KJawXUmOd/F5swTGzGprfdOXJO9eiLn03Vm0Nq08SeWESn6hZnatdxeNej12ooqDCNCNaPYP6/mSBJfq1hP7J0n7p4d/2p2i8tb2wRPbHkXm/a4nqvnrjhPHIAK9MTGn2rEE3d3v2ecEU+det/4TsfpMx+ov9WH+t1Gal7T74eua7QPYLV74sak/n4J62t6NS9ifzuYy6udwonk51+MrW9q8hhP/Pjjm9c3Nbm9nSPdZo4AluYpBddlbayYqlwh3I+uX5Zo69wqyRN3qmY3scIrT+x8F1sx0S6DBfnk0z71vR//+OfI+Q8/Eu/ynz13Xn3W1usZu+v+PLFbnvh6Tb134prs1RP+PbFw6WV9mrYxKd6m0Ho1nhihalDs7Us5BhNfq+x3sbmpczLbeeDyHb3Z2s4TX/N8y6bn4EJdeXnixmTCYlxqZ+zEl9PX1MGyr7560Gnpjh59Q/Ui7vl4NRT6KwusAzFFT6xHz8hQJtPqA0/mi4orN0/8j3/808+72Dxf5Ow7T2x5zEt7r5+Rd9ef/Vq59cwZmSeWjJ0w3pwlBLPK8sTXrs/s3bdPtW5fjI339fWr12yffNp36fKQGvzc+3sBeWLeO2GVj/cTayPUjULGTiBU+Yr9f29MfjKW45WrJfLEZ4Zdv9nx2eSsp9/N/d4JrXIE8sTFeGLVH7g+mF9vfd7IcjrUzYRx+qzyPPG16zOf/X1QTbNtb28/d/7851+Mff7F2Lnz59Vkkp9X3Vk+WyVGqd4yTELLHgnhUkv0p3YqN0987frMb1pbN2x46JlndhkvAlN1derLZ57ZtWHDQx5vatNa4eWJ7RGzTmh9Mkly40Jz0kaXMz20xYuIYyeqKU987frM2PiEmozf9Oijh48cOXf+/Adnz6U7/6R23V8+9pivb3a47e/qAADthR7GKJQafO+E+K4JtwfpPOT28T/XEJEnRqgaFLvt0OTv/lru9044FUhuuPIV+vauGZXocP/hR3/dtUtyjbG9vV18+1UtKd9I9l64uGfPs088+aTNe42NT/ymtXXX7t1//bg39Eblkvsb3MoYyYL1yad9+58/0NS0wdZL9+7744UC3lBeeSpDJMV3TRTgiatCeGKE8lXsT/1T07kqlcEsvvjRlVd6p0L3rHjialHpDvdfTl/r7n5v7759v2lt/U1r6zPP7Dr25puFP8JY8eLEWaWR/NvfPjn25pvPPLNL7aLVcClSoZGsVRFGhPJVzE+l0K1kzSj07V0z4nBPJCtNRJJIVpQII0L5Ck+MJ65KcbgnkpUmIkkkK0qEEaF8hSfGE1elONwTyUoTkSSSFSXCiFC+ik1MXsmp73X0okDkJ9rIj1577bXQ16E2RCSJZKWJSBJGhEIRnhhPXJXicE8kK01EkkhWlAgjQvkq9hoAAAAAQLSJzc59XcCCdkIAACAASURBVFH6wUtDoY/6LXbQ8FdzoYcRIYQQQgj5V8V54kzfl9Vui5/+yxi2GCGEEEIR1MTklRMnTgSYvj1x4sT4+HgZ1rziPPEsthghhBBCqDp1/MSJiYmJb4JjfHz8vffeK8OaV6InnsUWI4QQQghVoV577bUADbHKa6+9VoY1r1BPPIstRgghhBCqNuGJSyJsMUIIIYRQFQlPXCphixFCCCGEqkXenjibzV68ePHEiRMnTpy4ePFiNputBk98ftuK+h+/XOwCXk3Wf+ep80XNpDBb3Dm5ND48XpCLHT/11VJ/byXY4vNPrVxWV78s+UrJ+8G5fc1r1q5ds/VIqReEEEIIoRqWhyfOZrMnT57s6u42dPLkST+2uABP/JN77/2P//yBh3689l7bJFXgiWcLssUV5YkLtMWv/Lhu5bZzgffXI22tR76enTvS+tA+feZHWtc27y16MzkXtGbt2tYjQc8WIYQQQpUqD0988eLFru7u3t6Li4uLi4uLvb0Xu7q7L168WApP/B//+YMrV6dshVenvhRtse2veXvic9u+U/fAq77XKRhPPJu/La40T1yALT637Tsrtp0PvLMe3tq89/zXs+f3te77UN/W+zaY/jgQfbj3obVrHmprfQhPjBBCCEVIHp74xIkTXd3di4uL6n8XFxe7urtPnDhRIk+s/ti7b9/Ul9NiedV74tk8bXEFeuJ8bXHgnlgbIGFR2+G5UnhiVR/uxRMjhBBCUZJ/T7ywsFAGT/yTe+/9+fr1/QOfGeWFeuJXflxXv6yufpnqg19+YJn2X3WQ6ys/rlu57eVt36mrX1ZX/52nzpsV9CGwQXri2Xxscefk0vjw9Kmvlm7cXLpxU/S40/03tcIbX81u0etvGb55wyi/udTfe3nL8E2xQhEmuxBbLIRavTLRxhYLJdo2emrbd9SAv/zAshXbXtWqrdx2bu7VpK3+3NfGkAktWzynjXBQpfpX0TrrjvbDvQ+tbd23b4M65vhI25qH9h3WqjXvPf/14a22+sJUeGKEEEIoMvI5dmJhYaHUYyfUH9rA4v/4z3eOvjFbhCfWrPDs+W0rdGtryRO/8uO6+mVqLvOc7sz0ctWHBeyJZ+e+fuLdL3x64hs3b57qvnzHgct3dM+Oa7+n+wV/3Dm5dGNy+o4Dl+/ozd64me08YFRW60z3W+agVyhapy5N+2mpkCc+/9TKZUbO+Ny272jjjM9vW1Fvlr/8gHZlohtozQq//MAyc5NpQyY+3PtQ22FzW5t54nP7mtcYOePz+zZo44zVsRB6+ZG2NWvXbtj34axuoDXje6RNSzxrwhMjhBBC0VJez9h1dXefPXt2aWmpDJ4489bbs0GMnTj/1ErN79o9sfEQmFjf/B2wJ/7tKb+ZWltat3Nyqb/38h29WTH1azhda2Vz7MSW4ZuqaTZ+FK83PrGP+HaT6Ynt41j0qFrLX37A6pv1zaT/PtJqHzih+VrBE9td7OGtah1r+ZE2q2/WfbD4WzY3hBBCCNW28noX2+nTZ/zY4iI98YMP/uyTT/uM8lrwxP4NscMT6zY3T0+sVxg/9ZWeMC6XIZ4N3hN/PSs8YLdBfO0anhghhBBCQSivb3YsLi76scXFeOKOPc9OTX0plle9J87LEN+hjZ3QRzuYQyPkYye2DN+0VrbU6Z+0OumyGOJZv2Mn8vLE2pCJc/uaLVbV39gJPDFCCCGEvJXvd+wMW/z5558H64mvClZY1dSX00F6Ym2csfCMXRk8cb6GWM8Tz+qP0wlZ3u7ZceNZOmE4ROekUThree+E1SKXzRDP2t87YTwwt0wec395YpdtbXnvhPHA3BrzpcX5euIP9z5kGaSBM0YIIYSioAK+7by4uDg6OupRoQBPvHZtjm92rFmzxjZJpX/bebYgQxykegNIEhdgiBFCCCGEqk4FeOKchP1t58pQyIb4wPipr4p9BRuGGCGEEEIREZ64JAo/Q2wdX4EhRgghhBDyEJ44eIWdIQ5AGGKEEEIIRUrHT5yYmJgI0BCPj4+/9957ZVjzCvXEGGKEEEIIoarT+Pj48ePHXwuO48ePf/7FF2VY80r0xBhihBBCCCFUTsUCNPIAAAAAANVITIGCeEPg7NmzN2/edFTpbq5f1tAxJJTMpHZ0pSZs1WZSO85mtN+jyRbjt/O/8pqZ9Oux9Khj6bZpvZlOtg9nLP8dSE1Z/zTU0WC8ILl+WZ21YRZ6knOt5swWW2PZ9KD6Y64xtaQXzvcoipKZT8QXRhRFUZSRVFb7nZlPxPQ5mBWW0vG5hDkH/a/JRftv2eQ9SeuEjslHUln1t2Pl53u8Q+eY6dHe2NFp2V9sQRaYGotrf8qm9huRN5AV+t4cWtxMGUF2Rl62jXqSc4nkopKZT8Sy6cGldFzdmlIWW2Ni9NR45NjEI6msuWnEDSrM01e3cZ2DP6SRV2RbLZva35scUBRFUabG4pZtbaucTe03/lvwfqS1aCkdF7qirZlCQOQ7hVhTGnlnJKUMLjQam8Cx76jrbOxxlv4mINlk0pV3/ndwodG5hvLDhUvzxXVQ/2S0SFFGUlmx98oD4lxDl3jKl+5n8sGFRo8tCACBsbi4OD4+fvXq1ZmZmX/961//+te/8MQF8oaVq1evWv481NFQv6y5yz7VYFdXrOX1eNeMWTTRF295PWZKNM1WXyuvOZpscfpsx7Q5sJ7LB4YFV+fu5Nxw98R2fyk3oOJpQDhjKYpiODzzFCj1xI7JXT1xzH7mLtYTi5cTzj9ZIzkwHGvv1aX9abBnINbeG+/JihWlhXlh97IuzXTfRqYzU+cjWG1xEzg8RO5N7O3h/Hcb1zn4xCXIsv6v7yCZo7Ztba08NRY3t29vzLVjuKBatJHUfGN8vkdZbHV3e5aA5PTEhfutpXRctusJnaE1JdrWpXQ8m06pe5nrpZTrykvWUF2QdVYehwtHA02nLvRbfQWsEXbDYw1zrLzfyUdSWclFLAAED544MERDfOnSJVkVZ55YQ3XGWnJ3oi++o8/ldOHwxJKabt43aE9cYJ7YPEsV6omlqRoj3ZjTE8cXRqypLMt8HIUuK+8bj0sIH8l4Y8E9A7F2e77ZUuh/cyiKUgJPLCNnPCvaE6s4Ii/doGrhdHL/2KCkXGdqLG6vkM+GG0llG1OL6eRCT2o+nbHuCKF44sGFxpj1noNz77DmjxtTi2qHsedQBfLxxCruF8aDXlHKkU3PzLutoVsD5fPxXnl/ntjXmgBAseCJAyOXIVYZ2t0gt8WCwR1NtryevCid3DmUQlIzk7Ymns3K0vyxFGd+y7iVb6Yw/SKc5GQ3vgXEu5OWG+virVjHecVSU7jp7/TE5uSDC43S2/rSmctuCvsmc9QtoevqiTNHZUGWOippoQ/sXlYe+SI9sXlPINeCPDyx/RLId7dxzq1QLEGWJ/4zR3uTR4e1ERQmzk3c66jjn8x8IjmfTi0pgwutyflGd79lHQngmbl393C+xk64rIDG4EKj0QE0e7rk9MQjqayY63Vdebel6FNpM/Q4XLh6YuFwof13vjXp1c285hm0J1Yy85KLDQAIHjxxYPgwxBpdzcYgitGkdIyEOChCMMoxe6G0prWyMLBYy0a3SEcbG0wnxdu7uhXQsmXtvcmBgsZOGJkkIeEhH4cgGXcoDmkQz3aSm4nGTdtsOmUZT2y/ra/YslyObKX3KuWFEFIt3SgPcuaoVhLvGdODLNYUs8iF3n/XkXhZWTOL9MSW4BtXIPJNLHcSwl1487Iq/24Tkw2V8cY1yMa+YEnbm9eNzsnNTWwZPpH3xYx5ISdcW8qbacRtvsc7nqXwxOaeZWwpYatpK2zN5VsuUGUrL22mbLCTfH+XR2mxNeY4XBht97j29pinq6n1XHnvya3DJ8gZA5QMPHFgvPfee34MMeQPj5VApTPYM1DM8O5oI6aTiyeAw0WuKz0AqE3wxFD54ImhcpEO9Qa/9CS9nrcrhKIOF9ahyQAQLfDEAAAAABB18MQAAAAAEHXwxAAAAAAQdWye+Ouvv8YTAwAAAEC0sHniGzdu4IkBAAAAIFqQJ4aiGUllK+qV8pW2Pm6Ev57SjwKCDaJUyZTtpTS8/Qag9mE8cbWQ/5cygqVrY139xi7pd/jC93ZW/K5PKU5yjnlavi1i/epHmeLm2swcH5krwRL1v3p8Criw+Rc5Ty/Xa42Se01b6CzbPbhuJn67wet9YV4b3fGdGkfo5N/K9t12Of4nz3NBPUnJZyyK6clmkK1zcC7I46gYFs5VqsGuGFjkhzpW5z/5TGqH+kmss4WekW3fo4UKAk9cLVSAJ27oGFKGdjcYH+GrdsriiUu4LJ+4f5zPeSYrkycWv85VwOKknriY72+7mzBnlHqS8pfpOj2xPuFSOh6QF5F86dq9pmSJi62e3zM3muBmRHy23Q3/k+e5oByf+84P4UPKjr5kX1AFHhWdq1STXVEW+a5mL38sfD7WoLu5fmOh260YXyuZ1nvlFUX597///erBgz9fv37N2rU2/Xz9+pdffvnf//53gasDAnjiMiJ81jU5oBZNJ9uHU/qnYsXvYBmf+RW+BmzW1CcXquWcp/hRWbPc/AKtMU85kmOQ9MOqzqt/26llcKFRK5fUVCzpB/G8aFY2v/EbX+jRK2v5G+OjsuJRODOfSC6Y33wetC3anudwnk3lq2Q239kcR+7EdmKQrWdPMtuazCZic42phVYxJvYF2VZJqGb/KqzHKsm/kFyMdxfzRrJv0srW0+wMspqSyLu0SJinkMyTdzBJXzI98VI6nuPT1j4veyzncrHPOzuta5RsndbF57l9TFg6uXPNZZvDzYgUe8nnf/I8FyRJFRfak4VZqd/vsHQA24L8emL5MVly9B4Yjh8djrf3xvaPpY7ajuqFHqhrsivKIz+0u2FZXXO3IyjydLI9STzRF29RE8Cvx7tm9NLRpF6YvChO7fS18pqZtFYYS49a/isUeq68xqsHDzrdsKhXDx50mxb8gycuG9PJ9oHUlKIoqj1Vf08nDdc7NRbfP6YarsxR52ex5DVNpsbiWiJZWlNY+sCwPvNsar+Re9bz0EMdDfXL6gz5urHkkmYzD3xChZFUVn6j01FTQJZUUBZbY6L7EU5dttNhZt5inoz5u5w1fd3JHVxodB793ecpL3e4qERyUcnMJ2LZ9KD+dVnpgoRWmGvrtho+Fh0A0sDmWk9zu0truqVvvcdOuG1TrVzWl7QFLaXjVmslj5KvD/86zuWmp7d3WrcoSTqt9pU115UUI++YXDrGQLo5XD1xsR899j95ngsKrD8vpeNq29UttWC/KCpsQb6P3gPDsfbhjDKdbO+N92T1D4YXd6Cu0a7oxlDH6jpL9re7uV6agh3a3bB6t1k8k9rRlZqw1ZlJ7TCMr80E2/4rr5lJi67XbVqPlTd59Je/9PbEj/7yl7LpID/wxOXCdKKKoiiZo+rlvjgiwvgt+FcTaU31GGokG4zJPedprIk1cxyTLNQnVu8iG75mnOEspzqXmo5vvcrv07kfH52eWJaY9H16k6ySJScqpsmL88StGaNQC5R0QfLzRKie2LJK+sxd19MRN5czn6wzSFfeZeyEpINJ+5Ketveba8zMS87oVtyNiL3T5t6aYqdVFPv3h12Tc5KUm9yI+N0cftvuhf/J81qQ/1v5OVhKx7PpzEKj2/YqbEG+j97awVmro3niIg/UNdsV3enaWFe/eveQduUgT+F3bbQlZQe7uqwZYkvmONbyeqxFNM1WXyuvOZpscfpsx7RuK29F876b31Ln17t3c2ZiIrN57Zq1e3uVC8+uXbtm7Vq3WYJ/8MTlIj9P7Bw6nNM9Syc3fwv36fS/SjMWxeaJ3RKx6hnOlvV0tZLuh1qTQj1xTv8qx7JK0my31zyL8MTOBVW9J3Ys2vPMZ+0M0jlIN7Fb6trZ8MGFxvhCOunIMbtGKfe52fWGdWFGRHqf2uP+gGzy3Desc6y837Z74n/yfBYUXH/uSQrDBuxtLyJP7O/o7eaJizlQ125XlOIvT2xLEpuozlhL7k70xXf0udytcHhiSU0371tInlj1xM9e0P9/Ye/jb01MvLV5zd4LyoW9a/DEAYEnLhfmeAnb2Am5fxXHFtv+Kj2qZo565omlR1VlOplzdJov5J54sdVyI1sbvmZxNvKaGoIdlLwhoTBP3CP6HpeUj8fTOeYqZebl7zdwSyMV6omlCxLX0HKLUxpP18xokK+8sIx+0Zfuup6ybS2paa1gXhs4W5RjPIYYEFlf0jtwj80Wu0fJ9aJIRziXuw/y8Wi7W6d1TiVtpnTywYVGzwebLDOX5d19tt1crix6PicvRU23VbIg9C5nOtP/KlnwffSWeuIiD9Q13BUddDX7G0881NHgcRVhGtzRpH0YsYFzKIWkZiZtTTyblSX5Y5eV1zA88cRbm/XxEnt7L+x9/K0Lmc1r8cRBgScuI+adMmdy1/lb8oydR/Y33jPmO08srIB4V05imn1iSR4YDzBl0ynHeFn5o05CTdntM1u5cHyXPf8kjDQQ/Kt0sOmS/uSH5zN2LqskjmoQTpPyeUpsumM95Z7YZUHmqABzlZbMB1kskZevkvz2ZeEYS5nvsZ0F/Q0vkdeUdgZni+Q1Xbqisy8JHdjWS92jlCOLKQ7bEOYgnypH26VDQby3u1ufNx7uNB6i8r85fLddZSSVlYx78T15PjX9ztB9lZzVpGPTC82R+z56yz1xcQfqmu6KIv7fOyF7B4X5hJxljIQ4KEIwyjF7obSmtbIwsFjLRguFOd87YRs7oTrjZy8oysRbj6/FEwcGnjgaDAyLR1JZHroYgr4RHzAVvnqhIc2+gw3XKAV9UWGlsjutr7a73UvJJ3R+auaxIdxXKaiVqUEquysWgHeSuFL5xaZN3s/Ybdq0Kex1rAXwxBFBSDy3O19qURBCqqCCPtghoeaO6YHh/YU2azJbS6wmZYWuj4vUBKF8x666O63Lw5GloIgnZUuzoJojsg2vLF5++WVvT/zyyy+HvY61AJ4YAAAAoHLhmx3lAU8MAAAAAFEHTwwAAAAAUQdPDAAAAABRB08MAAAAAFEHTwwAAAAAUQdPDAAAAABRB09cDoY6VgvvCHf91rmPvwIAAABA8OCJA0b20cju5vqNQplfT5zzY48AAAAAEAh44gAZ2t0gcbFikjiTFr6TLn4AXfxUuumYh3Y3LKtr7i7T6gMAAABEFTxxUHQ310vTukO7G1bvthQ788SjyZau1IT8r0Mdq+ssaWYAAAAACBg8cRAMdTTUO4dMKIqiKF0bHYlehye+eNZMGEtHVnRtrKu3GWsAAAAACAw8cVBI88TOJLGSrycmTwwAAABQavDEAeIYTzzU0SAZTiGOlFAURR1MrPrgmdQOcTyx0tXMeGIAAACAkoMnDhjxvROyd1AoiqIMdnXZnrEzSpIXee8EAAAAQLnBE5cMeZIYAAAAACoOPDEAAAAARB08MQAAAABEHTwxAAAAAEQdPDEAAAAARB08MQAAAABEHTwxAAAAAEQdPDEAAAAARB08MQAAAABEHTxxsQx1rBY+zWF+hQ4AAAAAqgU8cR7IvtXc3Vy/USjz64n5bjMAAABA5YAn9snQ7gaJixWTxJn067EWQelRvbwrdbEvrhbu6BsUZljX3F2u9QcAAAAAV/DEfuhurpemdYd2N6zebSmW5IkzadMKZ9KvJy8K03esrrOkmQEAAAAgBPDEuRjqaKh3DplQFEVRujY6Er1yTyz6YMlM6m3GGgAAAADKCp7YD9I8sTNJrOTrickTAwAAAFQCeGKfOMYTD3U0SIZTjCZbulITliI3T9zVzHhiAAAAgIoAT5wH4nsnZO+gUBRFGezqcjxjJ/HEvHcCAAAAoHLAExeEPEkMAAAAAFUJnhgAAAAAog6eGAAAAACiDp4YAAAAAKIOnhgAAAAAog6eGAAAAACiDp4YAAAAAKIOnhgAAAAAog6eGAAAAACiDp64YEaTLWczYa8EAAAAABQPnjgPrN9z9uuJ+YwzAAAAQIUTaU/83nvvveHC1atXrXWHdjeY1jaTfj3WIig9qpd3pS72xdXCHX2DwrR1zd1laxcAAAAA5EWkPfGlS5ekhvjs2bM3b94UKnY31ztzvZI8cSZtWuFM+vXkRfNPQx2r6+o3dikAAAAAUHFE2hMrMltsN8RDHQ314pAJA7knFn2wna6NdfWrdzOMAgAAAKDCiLonVqy22JEhVskjT+zmickTAwAAAFQseGJF0W2xiyFWsYwnVhRFUUaTLV2pCUslN0/c1cx4YgAAAIDKBU+scfXqVXdDrGF974Qy2NXleMZO4ol57wQAAABAhYMnBgAAAICogycGAAAAgKiDJwYAAACAqIMnBgAAAICogycGAAAAgKiDJwYAAACAqIMnBgAAAICogycGAAAAgKiDJ4bqZySVTcTme8JeDQAAAKha8MQlZTTZcjZT4F/dmE62D/uYKpva3xtr7435qiyja2Nd/cYu+0etM/OJ5GJhMyx28sGFxthcIjbnnEN1eOIiQydDvo2KoehuUySuLVK3vhDA4NsOAACRBk8cMNbvP4foiQuobKVrY11Dx5AytLtBbFGInjioOYRFaTyxZBsVTxHdpkhcWrSUjs+1JudtnthRk++oAwBAweCJc/Dee++94cLVq1etdS0pq0z69ViLoPSoVmuiL26We3riqbF4u5q06433ZBVFyRzV/qvp6LRezXAw2dT+3uSAMQunuZlO6pML1WQ4PMdiq5qm1dVqzDgzrxdqydqe5FwivjCiKKqbSSQXvSaXIFa2JoBtztIleTySygrLyqYH1QkX0nGhRKysra035lp5tF22oDxCpyiLrfGFHn39G1NLHuuZjyc2O4/abRRLB7N2Bke3cXRFtU6qZ8BaaOmi+jzlNeVIWzSSyiaSi7ZNL2/70O6GZXXN3TliAQAA4ABPnINLly5JDfHZs2dv3rwpVOxurnfmqJyZ4NFkS1dqwu2vItnU/oHUlLPcaXMFHzw1Fjccj6RyNrXf+K/+p6GOhvpldYZy5Nmcyc7BhUajRPhrT3KuNeOon3+uVPND3nNwLkX3jtpqKJr7VH+PpLLeXlPGYqvTx0vb7rYgv6FbbDWt8GKrcEng27s7yRwVrLDGdLJd72BTY/F2sbM5u42zK04nTXstzMrAvFQTak6NxfePDSp59brBhUY1CH47z1DH6rr6jUHmzQEAIALgiXPjtMV2QzzU0VAvTdQ5XO/Fs2bCONfYicGeAVleTXZfe2BY9RyZozZrYq0sZPti7b0xp4/JjcOXWDOyc4JpW0rHc2V5zWr2XG9PUphnUJ5Y5t39IszTQN52twX5DZ3FBweDzLPqfUZbuaNetxdkXVGsI1yVDQwLHczwxI4rMd8speOyLZiLro119at3M4wCAAB8gyf2hWiLHRliFX954nw8sYpqRwT7InUVauF0Uk3C2ct1jCydSJF5YlvOVWApnZxvjVtGKfi1NaIB9ZNpthcKYxX82VNfqyR7tk/S9nw8sSx0pfHErtdR2sp5emIVa1e0eWLVc4vm26gg88R+e50xNsZtLI0E8sQAAFAAeGK/qLbYxRCrOB+BF0dKKIqiDiZWffBMakeu8cQGFi8ry/mpnubosGOIsM3cTCdzDiPOgTNdmpmX2hQtQWvc+HabPMdSFlvzzxPnZ1XzGDth9feKS9s9PLGv0Ll64pFUNuFcB19kjjpuOIjjJXKMnbBOpXVFoc7AsJAS1uaTORpMnlhshJ8rma5mxhMDAEAh4Inz4OrVq+6GWMP63gllsKvL9oydUZK86J0nNh+Gsw1yGNQfV7KMELU8aWebvDdmWGpx+IQzZ+wDc6iDMbhWHAOgmtGepDVBazo5yeQyjERvNp2yjNO1LUheaHumzXtIg/9xusKyPNruviBfofPKEwsjlfNG6A9GtzHHOYjJXWe3kXZFsdDseMYzdvGeMa88cSHk9sS8dwIAAAoGT6woivJNLIaQH4XaTwcXGgvME5eA8N7XBgAAUALwxIqCJ0a+FVof7UnaXyEXMnhiAACoKfDEiqJ74rDXAioaOgkAAEANgydWFOwO+IBOAgAAUMNIPHH/lfmoSbU7oa8GqmTRSRBCCKEaFp54vh+7g3yIToIQQgjVsPDE8/3YHeRDdBKEEEKohoUnnu8P3e70Xbyl5fW7T4W09M9Gb2nvvftc+FuhwoUnRuXWx9tnErGpY2GvBm1HCBkK17GUWHji+f7Q7U7wPWzo7pbTe3xW9vLEk3e3X/Kaz5831NVveO7KwJO3L1vx9ED/lfn+K4enEvePSCq7lQeinDP3vXRJizT56CTXN+1Vv1jhGbRAJF/Pkga5+K3gXfPTifticzYb5L45HMrVV0sb+cBDNN9/ReoLZXMoapX8h67o7p3Xenp5YjEIzoD4DvKx+y2fDb9v+2V9uXOJWyc+nlf7pJcvLzbyJQiyz/U8dv/c5sNGhZHNPi8/ynGkDU1ROp3lpXefbrBMHq5jKbHwxPP9ZffEz/102f1/LukiguphPjzx7TvfvTLw5O1Gi6r/IGJvkSbfnaQs5ky+ntXriT+duO/WiY8dFsR9c4QT9vxWqZgQ5TOHolYp39AVEedi11MahCI8sSjdI2ru8Nj9c5sPX95z68yeT8vSouCC7HM9K8ETlyR0gUapFk9nz/3Uyx/LzEnm/voNz5U2+BLH4r2epROeeL6/rJ7YdsV2ddO212Mtr8csHWLo7pbTmw6/q34C+pbDV70L9whT7bkyv+ePr2tfk1b1xyH3lXHJSXw2eov52d5CPPHEnlvV1It6RhnZHLPkY7RjsaSmy9lOWtPI6KjSphKXpR7lXZauztZS06VFrp1kz0E9SgcnhXL7+cysJubjhSDf8s51r0J/kXdr5sjmWyeO6YFSM2G2QBkBEeIpDbKHP3ANsjB5rs0xL0nL+TtxihE24eV7NwAAD/NJREFUN8dno7eYG+L6pr1q8Cfvbr+06Z0+R5An73ZuI799Xhol3z352P0zm++fScTm7ts+sdkIlJY1nxNOfq6h828vHB0sn9DJu3cxobOZTv2/krZL93c/BxZLd/p4+4yWALZJvSTTgqx54vtunRH2F/nkPiPvEk/5kUESZPG/tt+Fdlq5J66II61V8h1WErpzl245eOmW9t7Y3tFNB8WYFLNr1+TpbODJ25fV/TTjiIA8nWxNEpfTsbitZ2mFJ57vL58nztxfL730sV0kDd1t9Iy+i7dsu/iWrfDK0N0t727qm5f2MNkMveU8/vZt+sz6p/M7V9QvqzN0+853Xed2eMpymDBOIdJ0jl7z4+366cftIOKcp/fM1UOMRzLp04n7PP6au5PsOWizwm7xFGSeGq9v2msE2ZCsMI/Iyxsystm0wkY2aGSzzYzOi7YgV6H/pQvbyOIn3AKe61a1l5xhF8zcZ6O3aBtr8m7zGsbo6tc37XV4jjwiL42S75587P65xP0jVw5PJWIzez612sSAkqAeHSyP0EkrFxc6zZlpjbq851Zh69ta6ra/+zywODuhczX035q3cNR0tdT5RP6z0Vv2jr5lq2Axzc4gSz1xIJHX/it44vCPtI7OKVyqeYTu3KVY+6U9Vybvbu+95Z3rb73Td8s714vetWv2dPbu0w11luyvmzkZePL2hifP2wrL51gc61ly4Ynn+8vjic/vXFHvdkHs7GHOviIWXt20TR3NUwJPfO6SYPUKuIUn7pCixfE+u1uuoT0L9XlajulCBcsYQffDhOWiXHb+y9FJxCsHz3iqIXXk3d96p8+ZDJYWFhp8TbK7ouLx19TlPbc6k8HSQr9Ld70/Wx5PbHbmPQcdl3lX5k3nZ7kx0htz3bKukkUp355s+sKSeWK3DuYzdLLKRYbu4+0zmw/3f7x96r5bp47Nj2wWu6W1pW77u98Di4ckve7ynltn9myfynV7JK/Iq2E3fmhBlt+R8+GJi4y8e5449COte+cUfjtDp/VYrY4W52J37Zo9nfVfUUcbNzx53tOc/HmDLFNbXsdirGceG65w4Ynn+ysxT5yzh5UsTyz1xPldWIs7vPeFdWEHET27JjmI+E4m2RJIeXcSj6sFH3l3XapHseWbLYVB5IllntjVKKj2zpZFlhbmXnronlgrnLzbTC/ZPHHfps9c8k/5Rd4ZpXx7cjk8sUuv8xk6WeUiQ/fx9pn7to/suX/i2PapPYet6fZyeeJj9885x0jct31E3RD5Hyhc++fe0bfsaUu3I4M/T1xM5C3xNPa7ijjSyvqh7bcsdG6euKhdu2ZPZ/7yxNIk8Xw5HQt54nAU3nhiVXn2sFOnY2ah2tXUQTniVFq5DzkTP8a9uQIef7Zd44q7se3i1e14YQ7sm3MeRIx5mveS1NGHHpO7LT0/++UcO+GS0HX1xHsOyuLpdkPQWegr+PYMgfTpmZHNntkv6RE292HXsXTxXrN97ITbsM5iPLEkCbTnYO/dBy/dfU62dbSbrWphQK8jtNw29deT8/bEhd2+t8rSwXyGzhHAAEJ3eCpx/9Se7ZevfDqx+f6p+8TGWtsu39+lAXF3D5LBD84up9mUy05P/PH2mSLSxnsO9m06Jw5E8Tgy+DmGFBd58V68+bsijrTu/U3iic2ASD1xEP2z9k5nz/3U33ji8ztXyC8YyuRYXNaztMITz/eH+d6JobvF0eXmQBxpDzNqmt3xLXMM+8W7ZeWez9iZDx/E2ntj+jnyLf2BhrvPFTZ2wnmvZ77fyKLlSKSZ1Wb2bLcMwHLM87L5GI05ufEIgjC5dOnW+00+LrIdnUSInjhW1RFP43GQW94ZFY7pztt50sL85GymyxPlQkjNzeG89SYtzGPpbqMzHTWNx6pkD1f5k9FvLXl3yUhN2d1q8R5r3lcj8ij57clyTyzWtPRPSZD9yrWD5R86IUpFhe7Tiftixgsf5szLCUnbpfu7LCD5eGJHkth6N8P2lN7hqULCruvcJdtjXrmODJJjslCzyMhL982KONI6Oq1k7IQkdHJPHOCuXSOnM//vnZC9g6J8joX3ToSpavgcQwW9wK/sCuB+cfGqhk6C7LIM37wyX75XtlW/HKFDn07cF8zw4kpVRRxpa11VEmTXJLFPVatjwRPP91eH3anWHhaEKuIgUg2dpDzbwvoyoGIyZ6WUdKw2nriI0EVbx+4P6nm7ClZFHGlrXREJcrU6FjzxfD92B/kQnQQhhBCqYeGJ5/uxO8iH6CQIIYRQDQtPPN+P3UE+RCdBCCGEalgST6xED9XuhL0WUNHQSQAAAGoYPLGiYHfAB3QSAACAGgZPrCi63UEop8LuqgAAAFAS8MSKgidGvhV2V4XqZySVTcTme8JejVCIctsBgmKiL97yevJi2KtRi+CJK4Dg+/dosuVsxmfdqbF4e29yQPq36WT7sNd8ujbW1W/sUoZ2Nyxr6BhSFEVRMvOJ5KKkqlu5s5r54tv8z52DC43xhRE/6+mfbGq/+hkkz1AEgnw9fYauRPhfurTm4EKjY1PmsTly9cCgKKqH5LmBJL5QNoeiVknxHbqiu3de6+nlicUgOAPiO8g9ScvLsxtTS/py5xLqwWFwodHz2FJs5J2U5hgiP/xW2vGzNETi1GMy1LHaMnm4nqGmwROHQFfzsuauki4hqP7twxM3dAwpQ7sbjBYVf2DSq42ksnl7QfcDk30986Us5ky+ntXridXN4bAgeWyOMnriwntI8RvIxRMX1WnzCl0RcQ5g51IJyBOL9CTnWjOKoiy2xuZ7tP8upePZ9KDXVIG1yEbQndn78FtZx8+gqeZTT1ezlz+W2YPu5vqNJQ68xDN4r2etgicuM7brxZnUDvWD4GJ3HE22nE11damf/453zXgXZoSpMoqSSQufI295PZYedV8Zl+zF1Fjc+EB8QZ54IR1Xr7bVc89iq/WzZ60Zt5qWA1NPUsvxWOcguiuzXJuneWBaSsf1tFB+x/TMUb3tR6eFYvv5zKwmZtmF0MV7sl6F/uLpEjplsTW+0KOmvmJGlGQBMTJkYpBdCh24LV2cXN0crjUVRZKW87c5xAibm2NqLG5uiGxqvxr86WT7cKpnwBHk6aRzG0mRrpIkSlLfJuvJPclsazKbiM01phZajUBpWfM54YzrGjr/ndbRwfIJnREo255eeOhsplP/r6TttiCrf/JzuLB0p5FUNiGzI8LRwPTEjfGssL/IJ/cZeZd4yo8MiuIIsvhf2++CO224x0/5bigJyMBw/OhwvL03tn8sdVRsabFtr5JTz9DuhmV1zd2OVsnTydYkcTk9g9t61jJ44nLS3VwvvfCyXaKNJo1+OdEX39E3aCtURpMtXakJRdq/ZTP0xnmkHkhNWf801NFQv6zOkNfFY2becugxTjbSxI9ecySln6jEG1iyK3XhCn6x1ea9FOPAtJSOz9nOfP7IHLVZYQP3HI95asym9huhM5AV5hFPRZrnWGyNiUdt05i6BMRHof+lC5vV4ifc8jG5blV74Qy7YOamxuLaxppOmtcwRgfOpvY7PEcekZdGyc0TO/p8T3IukVxUMvOJWDY9aLWJASVBNaS9TvEdOmnl4kKnZWe1Ri2l48LWt7XU7RDh83ChaP+VemI9Saz91o4qjpquljonQuSnxuL7x+wXlxbTrPjzxEV22nCPn8Ju6B2QgeFY+3BGmU6298Z7soM9A/GebDBtr55Tz1DH6jpL9tfNHgztbli9215cPs/gWM8aB09cLoY6GurdLrKd/dvZU8XCmdQOdSxRCTzxwLBgCgu42ScegEQz5O0DLCk3yQ0syxhBo6bU7dlTp/kgXg84/2QNxcCwkIrT/jTYM+BMBksL80HuiR0uUxoQNWlhTwZLC/0uXbQaljUpjyc2u2jmqOPiTVFM52e53dEbc92yrsiilKvTGo11+MKSeWK3DuYzdLLKRYZuJJVtzSgjqfnG+HyPstgqdktrSy19yf/YCT/hkvS6pXQ8m07N57o94h/dzJk/FEV+ZFAUxZcnLrbThn78lGW+nQHR+qFWR4tegG2vllNP18a6+tW7hzztQddGWaa2vJ7BWM8IgCcuJ/7zxDn7d8nyxFJPnN/Funhg8r5Yz2kv1MmlF/1uT3TFF9JJ+YV+bjyuAXxk042VUO8eWvPNlsIg8sQyT+zaatXe2XIb0sLcSw/dE2uF00kzEWXzxAOpKZdMVX6RVxR7lHx32jJ6Ym3B9l7nM3SyykWGbiSVbUwtppMLPan5dMaabi+XJxZuf1vXKp5ND9ozzYWjRtKW4HQ7MvjzxEV12so5fhq/ZQFx88TBt13a0oo49fjLE0uTxEo5PQN5YjxxSZEOGMqzf188GzML1Y6uDgkSp9LKfeBMERl38Qp4UNo6Ksty6LFdW/u/WDenXWw1b2wttjqTPYIjKeiwnjnqltB19cSZo7Ioud06dBb6WClnWkLmiaUBEZD6gNzmwLF08V6zfeyE27DOYjyxJF2UOdqbPDosHw6r3ZZVC3ONSvSJ5QarsyvK+nzenriw2/dWLB3MZ+iMyrbuXUzoMvOJ5Hw6taQMLrQm5xttgyWE/5r7uJpmy/dwYczEVtnZ5cxb23ZPPJLKFpE2zhwdSA2IA1E8jgx+jiEBRD6842cOT2w2U+qJA2x7xZ96upr9jSce6miQXwaUyTO4rGctgycOAeHB0tGkOLbdHAYk7d9GTXNnGDRH0PclZeWez9iZDzTE2ntj+tl0UH9IIjlQ2NgJ+aisJf2Zhlwpt5hz5J/xQEM2nbJO5fqgg3rPK38rJsREHKvqiJLx4Ei8Z0w4+jtv/EkL88MROrknlgVEGk95kP0v3W10pqOm8ViV+yi9XBi90ZJ3l4zUlN2tFu/G5n01Io/SkvloTkrWaYWzssQTizUtt1klQfaLawfLP3RClIoK3eBCY8x44cOcZLym2fYl87E5i9P1d7hQFEXmiR1JYuvdDNvzUuI41PwZGLY9EJbryCA50go1S9Jpy3X8lI+dkARE7okDbHtFn3r8v3dC9g6K8nkG3juBJ65keH0ggIZl+KailO+VbdWPI3QwuNAYzPBigCBxTRL7BM9QCHjiaoH+DaXDmsMrMGFZDqRjtfHEfnAJXbTpSQb1vB1AhYFnKAQ8MQAAAABEHTwxAAAAAESdxcXFjz/++NChQ/t08MQAAAAAEC0WFxcPHTo0MTGxoIMnBgAAAIBosbi4+Oyzz6pu+MaNG19/ncUTAwAAAEC0UD3xjRs3bty4kc1mZ2fn8MQAAAAAEC0MTzw/Pz839/VXX/GMHQAAAABEDDxxORjqWC28e9v7rYG8UxAAAACg3OCJA0b2Mcbu5vqNQplfTxzNLysCAAAAlB/RE8/P35ifv4EnLpih3Q0SFysmiTNp4UvlwofFlYm+uOTT5EO7G5bVNXeXafUBAAAAooroiRcWbn77f/2v/wd/aanrSvWH+gAAAABJRU5ErkJggg==" alt="" width="825" height="319" />

顺便说一下VIEWSTATE:

由于HTTP连接属于无状态的,每次页面请求都无法记录上次请求页面的信息。
那么要保存上次请求页面上控件的值,也就是页面刷新后,填写的值不变,比方在textbox填了个‘a’,页面刷新后还是'a',.NET框架为实现这种机制,于是就用到了viewstate视图状态来保存这些控件的值,
那么将所有控件的值存在什么地方呢?可以运行程序,然后在页面中查看源文件,就可以看到一个input type="hidden"
name="__VIEWSTATE"的标签,这个就是所谓的”视图“,它是经过服务器序列化过的,然后服务器接收后会反序列化这些隐藏域的值然后又从
新给这些控件赋值,从而页面刷新后还能记录上次请求时候的所有控件的值。服务器控件都会默认保存VIEWSTATE的
有个属性(EnableViewState)可以设置的,
设置为Flase就不保存了,页面刷新后,值也就没了,可以做个测试放个textbox设置EnableViewState为false,然后输入个
值,然后再用按钮去刷新页面,那么textbox会为空,因为没有视图状态记录到上次输入的值。

服务器端控件&html控件的使用问题
先说下:服务器端控件仅仅是微软为了方便一些入门开发者封装了一些html控件,所以说服务器端控件的根源来源于html控件,只不过在这控件基础上加入了一些封装的css\js以及开放一些供别人设置的接口而已。
所以说html控件趋势被取消掉那是绝对不可能的。取消了。就没有了Web存在的意义。要说取消趋势也是服务器端控件。
服务器端控件的发展趋势,从这几年来看,排斥的人越来越多,为什么?
1.设置样式非常不方便,(不是说不能设置样式),而是不直接。
2.多数普通人员是不懂得怎么针对服务器端控件进行优化----如是否取消ViewState,是否需要这个控件进行postback,总之经常会看到这些人员做的网页源代码比普通html控件开发人员要多至少一辈的垃圾代码。不仅性能不好提升,也验证影响SEO优化。
3.编写对应的一些javascript不方便。每次都要获取真正的服务器端ID,如果要将javascript写在js文件中,那是一种恶浩,你得变通采用非ID的方式或其他方式进行声明。繁琐
4.从微软目前的技术趋势来看,逐渐抛弃服务器端控件开发也是一种主流。当然选什么还是要看你的项目来决定,有的开发公司天生就为了速度,拖拉服务器控件进行快速开发也是没啥好说坏与好。

推荐本相关参考与优秀博客:http://blog.csdn.net/lxfzgg/article/details/8467232