第一个asp.net实例——生日邀请以及回函

　　22回校后，看了论文游了西湖，今天开始接触asp.net，从图书馆选了两本书：《精通ASP.NET 4.5 (第五版)》，《ASP.NET全能速查手册》。一本练手细看，一本翻查。

　　跟着第一章敲，顺便学VS2012。实例包括文件

　　

• Default.aspx作为主页面，页面内容包括表单的文本域，下拉选项，以及重要的提交按钮。

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c8H1AJAUuL5zwfUAkBS4vnPB9QCQFLi+c8H1AJAUuL5zwfUAkBS4vnPB9QCQFLi+c8H1AJAUuL5zwfUAAPkH1wMA5B9cDwCQf3A9AED+wfUAAPkH1wMA5B9cDwCQf3A9AED+wfUAAPkH1wMA5B9cDwCQf3A9AED+wfUAAPkH1wMA5B9cDwCQf3A9AED+wfUAAPkH1wMA5B9cDwCQf3A9AED+wfUAAPkH1wMA5B9cDwCQf3A9AED+wfUAAPkH1wMA5B9cDwCQf9aY62fLRSGK5dms66HSmbXKiEpJCFGqtLgYmqzWpkqiOyR57Ku1HXUCXF8pCbPJZ8tF88AjNUal1AE+WzmrtnN4uF5CCya9XVdDx5stF9upo7WPtUDaTdXmYavlJOv6tuSjlrUaAtBO0LjeclRuGGrNFu3oO8L1K0Zb8YnrfVmVTdOeDiolIcxOlno14pOU65OnvShaC643D2u2XBTFUqmotFvEhpwtF1ddp40Orl8ZVmXTtKUD93a6mMBhp26lSqlDLZik61evx4Lz9Vq0eIepnlKjHb2xvz42mS0XG1t521S0uwSfLf0qVl+xYpxJabGlbvUP6v+R1tYiVa5QqeLXd5S9yfuTNw/qBZaKqIdvaxhL/KoDK7laQT0w4HwFt05AMygnWt5OSwxK+65/2Gxla7vKJyFCFUMCRV2vVHF8T0FIM9VDuVSST7kQpYrfefIJ8Prtr+U2OFa81tfzi1f1c1Nn1tgxK65Us1LSo7OlHh61k/ocR7E8GxpFIXUJase8ul47t/VzqcheDUrrebKXK8x7hvAtHcMf3rlUw0k/o9pFRtqJHjvK0Vqi1Md39l6gZQyDjyigIlql3PXsF1mvDGXvQQM8n8JDK2UU47M/pf0tO5D6ULliVtY4SLNs3yqGBIpZf//KRW+mCIcQkOuQ1jVPWmLxahQt9+GguA1xfUBdja0DenjkThpwHCGnIKguIe2YV9errdBQvC4VP8/6hoL59CnqlrY+IJ+ckFGUJYx8hi0+4RHV9aFjp8DmCOsIVtlLS/RdRc2kyuvFqVTg/hrb2T8NLiuC6/2qGBwotr2aj6FCz4E1Kiy3w/bzFFSwuV5y8er/5DI4buO6vrUeHr2TRj0Ofd8BdQltx9y6XheIFOBS0/j3X5+4tg91omzp+8DY70ypRYUMLYJOefDw2LwDsucTwoM7aFXtsZ1xNL4dNsqD8aDCgwsJ2597Akoln34ZVFi46/2qGBwo4YfgF4GhzRQybg5whbZIr0CC8aoULXXskLiN6frWenj0Tmq5nbTfytqutva6hLdjfl2vtoJyn2MM1Rr3Oxpmy9gjIcqWQXlMxyd+/K4F9jAyb13MpT7NpLreqLzv9kEVUdqmVLEcQfMqpvQAE99dWwsPrpR5YIH7c9eIdKfRtuuloYl/oATv1Vg7TjMFX/tCVB/UBxKPV2MMFxa37bo+Ug+P3knV/RuZ5WDX2+sS3o45dn29NbVD9BpWad/IqQKfSIiy5cqP6/2iOvVxvb0ilh35XolDCSo8puuD9tfsWwEZVPte2nN9QuP6eM3kmwipu8SnqWytGJwhbSNem0cXoEijEu26PlIPj+X6ZoOqKgp3fcANT5x2XEVEeG+2UhLmREu3aUul1k5ojBu6iJsGdD256Ohh5JPtjej6oO4e5Ziam+sF6YllN8Rny0V9pSiyDyo8huuD96dYJfl8vV8VQwLFtle/iIzXTPaGcpuoEk/1bV3aAuO1cXyqIsPiVq+k71lso4fHc31d9pWSb5j4XKztdYndjquHKN+RUL9FVw63PlazhblyBY0WCVG3dPS2N+phluM3NIqSOlGLDTjneoy4m/sNNMKaw6cT2xq9UhKiWCzazo6y99CEiVZ4HNcH7M/MhCgpVbk/2ubh2D0bRX6hgWI2hG8UxWqmgLtL/TxJe/G7XAZevdqIV3eVYlG/9oTErdIuXlMk3cPjub7RsEErGaHrX5ewdly9o/xI34djvbL5jpLqrePfsfyGAxG2NFb00ksBuUG53vGHDFIpIWe5XiktkxPhgCI5y6uFz7pmvZRGCK+1UXgs1/vtTx8uayaRt5GHjma3VJwY0fVOaKAYG6rrt9ZMyoEFXP3l5omUXUo4Xm03M8bB2q9ZzUWRczhmycE3gtFdbzVRSBQF1yWwHXPu+g4nRiqwLaJmRqBDiXXrnubeM4KAXlPkwPWoHiIRFCgr7/qAp7IZoaXqIeesQteruWe/+9C2UdOJlhtw6HDiBMpKu55BPWTNKnR9UD4+WaLm26FDiR4oK+h6/bFv5tRbpaMuPbDirErXAwBALHA9AED+wfUAAPkH1wMA5B9cDwCQf3A9AED+wfUAAPkH1wMA5B9cDwCQf3A9AED+wfUAAPkH1wMA5B9cDwCQf3A9AED+wfUAAPkH1wMA5B9cDwCQf3A9AED+wfUAAPkH1wMA5B9cDx6nTk/xx18Kf1lH+hoF14MHnRBSgDDLClwPHnRCSAHCLCtwPXjQCSEFCLOswPXgQSeEFCDMsgLXgwedEFKAMMsKXA8edEJIAcIsK3A9eNAJIQUIs6zA9eBBJ4QUIMyyIsD1lZIQoliejfIprH7ohJAChFlWBI3rZ8tFIUSpon+E6XMJnRBSgDDLiuAcjj6Ir5R0+UNuoBNCChBmWRGSr1eG9pZxvmv/OvKA37gszJaLzQ+8pd7W5tWjfv8gFa+tJO9YWuQV7Fa1uVD/v36Eev3XYqaKTggpQJhlReiz2ab1DP9pCR31UhDB9QE2rRtYWV/ZVaNotRZqwU2Ry5crrcr1/8r/wfUAKwJhlhXh83Bce5bK+qDekro3bBns+gCXGrcQQQ8KKqXmImvWSSpILscoUy5o7UEnhBQgzLIiwpzL5uA4YFAvfeiKNVIOJ3ifSuk+Hm5UzitML1jZq1qOuQ9j5TUFnRBSgDDLikjz621pdasXJX2uhOv1FJB3+ZEXxXW9yZod2NMJIQUIs6yI9i6VRc1ZjOt9im7H9Wt2FG9CJ4QUIMyyomXX++br5aegumQTcb2+TMntx3A9slehE0IKEGZZ0brrbZNjQqblJDSuVxbW0zktuN52BMzDAVhJCLOsaMf1jp7z1tdQZscnma+XdlufhN+S69U6Mr8+6ypA/iHMsoLvPgMPOiGkAGGWFbgePOiEkAKEWVbgevCgE0IKEGZZgevBg04IKUCYZQWuBw86IaQAYZYVuB486ISQAoRZVuB68Dh1eoo//lL4yzrS1yi4HgAg/+B6AID8g+sBAPIPrgcAyD+4HgAg/+B68Mh8egZ/a+Qv60hfo+B68KATQgoQZlmB68GDTggpQJhlBa4HDzohpABhlhW4HjzohJAChFlW4HrwoBNCChBmWYHrwYNOCClAmGUFrgcPOiGkAGGWFWvX9crPl5u/Zb72oBNCChBmWRHg+kpJWPxn/3QVgus16ISQAoRZVgSN62fLRSFEqaJ/lEMn5vW44kAnhBQgzLIiOIejD+IrJV3+OQHX0wkhFQizrAjJ1ytDe8s437V/HVmWxmVhtlxsfuAt9bb2uXrIZUureNu6tWku1P+vHYNRQ98cTm6yVDGhE0IKEGZZEfpstmk+w4HaYFi9FERwfaBRle3N/zS2bZpcviI1C66U5H9LxeB6DTohpABhlhXh83BctZbK+qDekvYwjBns+qim1za2JpaklQPyMXIxPJvVoBNCChBmWRFhzmVz5BwwqJc+dF0aKYfjt0tzcaXkexVRCtbWNQrVbghwfRM6IaQAYZYVkebX29LqhmEbH7rKbN/1JvarSKDr1Sy+rHRcr0EnhBQgzLIi2rtUFjWv+Lje17wxXK9XEtcHQCeEFCDMsqJl1/vm6+V0uG7gqK4PlH0M1+uryql+XK9BJ4QUIMyyonXXGw9Jw6flRHe9Mb+zUvLdNiiHI69bT+eEuZ55OAArBmGWFe243lHnrptrSGl3bz58ZNfrZZvz69X1fJ/NmnXA9XbohJAChFlWrN3vPgMNOiGkAGGWFbgePOiEkAKEWVbgevCgE0IKEGZZgevBg04IKUCYZQWuBw86IaQAYZYVuB486ISQAoRZVuB68Dh1eoo//lL4yzrS1yi4HgAg/+B6AID8g+sBAPIPrgcAyD+4HgAg/+B68Mh8egZ/a+Qv60hfo+B68KATQgoQZlmB68GDTggpQJhlBa4HDzohpABhlhW4HjzohJAChFlW4HrwoBNCChBmWYHrwYNOCClAmGUFrgcPOiGkAGGWFavT9crvgkMy0AkhBQizrAhwfaUkLEK1f5oyuH4FoBNCChBmWRE0rp8tF4UQpYr+UfaS7ZBq5As6IaQAYZYVwTkcfRBfKenyzwZcvwLQCSEFCLOsCMnXK0N7yzjftX8d2b7GZWG2XGx+4C31tjavHnWZu7sU+lr1xdLedfP7VsyyrbZ/eafNLW1HnyvohJAChFlWhD6bbQ7tjUy9NrpWZRjB9QFD87puGyuoO68vVorTauJXsTjbyv/B9QDtQ5hlRfg8HFfLpbKuOkseRf4ogusDkjB+jwr87jAMKftXLN62ldKaSRbRCSEFCLOsiDDnspnSCBjUSx+6Go2Uwwnep1a6pF1zcXNhWMXibavUOt/QCSEFCLOsiDS/3pZWt0pQcuXKuD7Q1+7CsIqFbmuyNgb2dEJIAcIsK6K9S2VRcweO6yVfxx7XB1wn1gp0QkgBwiwrWna9b1pcTqnLmyhlRHK9uoKcOQ/ydaSKBW67RmVPJ4QUIMyyonXXx5v9oqWBorlenzzT2CDQ1yEVi70t83AAEoMwy4p2XO/oCW59DWUKeys5nIp9en2YrwMrFr6tPDWf+fUASUKYZUWHfvcZL8amD50QUoAwywpcDx50QkgBwiwrcD140AkhBQizrMD14EEnhBQgzLKiQ10P6UMnhBQgzLIC14MHnRBSgDDLClwPHqdOT/HHXwp/WUf6GgXXAwDkH1wPAJB/cD0AQP7B9QAA+QfXAwDkH1wPAJB/cD04DhMu+UvrL+tIX7vgenAc3nCBVCDMMgTXg+PQCSEVCLMMwfXgOHRCSAXCLENwPTgOnRBSgTDLEFwPjkMnhFQgzDIE14PjtNoJ+ZkBiAWuz5BWXa/0cuXHucN+NnytsLraIagT1hbeGD+4s7+3WwghRHfv5sGh0fE3Fmpry/VqKxR6PrPz0WOvLNSibm6Eg/tb9Wuk8erg+gwJdr0bjwpecK5K18+Wi1rVKqUV625qO8gt2YmN49sJq+cPDRT0IKgHwppxfW3m6O3dlkYobD3wYjVSCbjecXB9pkRwfXg4rhbX2/vbyrt+tlxs7MTt4h3XPj6dsDoxVBBCFLYOj1+4tlRzHMepLd24NH384J27jq4Z19emD/QKIQp9u8ovua1QW7p2YXx4a0EIURiaiGL7Du4WKYLrMwTXpzOu1xZ0nB/tnfDcwV4hxJYnzi/bt/La7+LcyZHB3m4hRHfv4EF5oFtbeKV832d6Cm7yZ3Dk5NxypIXqov6dB8cveqXWrk4e3OkuKfR85r6yfxpl/oU/G9zspVxEoadP3oF7ciYbeyn0fOa+EzM+Jc2f2CGE2Lh3Une6dw3YMvamX5nl81XHdntcqugXff/GCG3kVQSuz5BWXR8/h2P53D/Noaxp1iJYl5WSWYze3UoVeS3lZlpeVdpJvRbSdtpRShvW14vWDh2AtRO+duhmIQr3/3TJb6vZclGIQne3kuQp7Djxtrf4SSPxUegbObMUtnDpzHCvtshtsdpM2Ugo9R6YtjvakoBsVK1SEkJ0d3dHKWlpYkg0hK7hXgYGjv6uXmahUDD3GO76oJYKaeROYv/+/cGf4PoMSc/15gLZ2NrCSkk0l8Vy/Wy5qF49pPUijOuVT8z/6MfZ3Fb9r76yfyN0CLZOWJvc2xCZHfcwC1uHxy9cX3ac2tLrRwYK9U2Wfnp/QYjCwKGXri87jlNbujx+f2MYHLjQbcsn3EXO8uKlqbFdXz3jOG8f2y5EYevwycteIuX1Y3f1CrH9WATtLasRn3cAAAvkSURBVF9//pGbhdhxYt5x6sOB3rvGpi4v1Rxn+frJUq8QheEzli1njvT7LfIWuifUvX7cOuK2hbN8/eePbRFCbDww3dijma8vVcJaKriRO4v9+/fLctf+6+D6TIn7bNaqwYg5HIvPvRKCx/xxx/WO34qhrjf2JG1vJNrllX0uGuoxdWiq3nEceycMr6952PMndnhidK8UqodrLz62UYiBo78LXOicGS4IUfzzi1rm6HdHBwyxzxzpF2Jown7nUVu6PFV+fGhw8+a+noISv2bATR/Y6ONP7aJuaQHJ9UqZtUqpUN80wPXBjRHYyB3G/jravxvg+gxJcVyvzYOplBr/tm7S1GyLrm9cqBolh7nex9jhVxxbO+k76+znmG2M69Vjahz2bLkoRP+RGWUDNx9SqgQubKZqCj19/TsfGD0+PbdcL9qGtVVt+Z4A1/ufnpkj/Y3RuX2hn+u99MvwGdvSpuuDGyOwkTuP/SraUlyfIam6XlanpHq7upvlxHJ9UwjF8qxWmUiu91OJvRZSDbVjtrq+M/un01a+PnnXO46zfP3C+OgDjensonf4zFIs1799bLsQovvWkePTl95778ZSTalsHNe71bKHm5Gvt7j+5kOv2Zbm1PWOz4jeBddnSLqubwpPVn2C43q9pBZcH1j1INeHjOs7G3snnD6wUQjRW6r4zPoI0lAbORyV5blvbxdClCozR/ojJufr9dg7KT1sbdX1/vNwqpWSMQ9HLrM6freoPyJIMofT+bFlFb2D6zMlZdfXdaqo3jdfL5cv18K3Wtb8e3TXB8o+yPWWA3AHoZ3cHxV8OuHbJ3bEnF/fbImWn83OHt1158HxC3OL3qPZV//cO4tvjm0Rovv2r0xdchc5y4tzF8ZHbh2xtPL0gY1C9JZONp/vHtqxsTXXB8+vb1wDKiUhxPZve3Vbvv7SoYFCc8JMpSSE2PLEK0s1eYeRn82uMtf7geszJG3XO06lJIrFolaq/hgwdFpO5GrJ5QTq2rIn5S2o4I21tyCNXa/GfL3jOI5TrQz3xXlvVmmUo0bGXJpz6bvQlkrrHT6z5JeDt0fbm2Nb1MK7uwstuj7gvdmBQ+fro31biqkwUPZm7c//8C6p5sacy4CWwvWQCLG/I8H2pDLeu1R+8xqUvqIvN+eu+8+51FY0hKvoob5XbbaOWY3QC4XcWKVKDp7N1qktvHJs32B9Kkt3b//OR8vuXMVQDUlvPlnepfJbuDw3Vd432Pj+nX75jSllWaGnb3BfeUouVK722YPbegqNwi+2msOpF6d+K1C//n047ri+5L3wZBxuszqFnr7H/14f3vi3FK6HRMjgey4jT5iE9KATts2qFXCKEGYZkr7rtVQ9dAR0wrbB9eEQZhmStusZ1HcmdMK2wfXhEGYZkp7rfb82ADoAOmHb4PpwCLMM4XepwHHohJAKhFmG4HpwHMc5dXqKP/5S+Ms60tcuuB4AIP/gegCA/IPrAQDyD64HAMg/Ia6fhExJJwgAIPeEu/7/QUbgegBIinDX/1/ICFwPAEmB6zsXXA8ASRHu+iXICFwPAEmB6zsXXA8ASYHrOxdcDwBJEe76/7Py/GiPEGLPj1LY06oC1wNAUiTp+vcv//xbewZuWu/+Vt26j908cM8TT750+f3QDZNz/Y/2iGZR4cW+OvaPld9XXPexz9479nO1xguv//CLd372Y+vcH71bf9Nn73xo7CevL7z93+4RQvzRty4ahb5/+t9scJe4talTWH/TwJ5v/TxCe3jgegBIinDXfxSRi9/btUmY9I/9KnTTiT1CiD0TUfcUVlK9qPBifzXWb6nyuh3fveit8P7fPfHpLssqeyY+uvb9XV1C/FH5olbm+5N/usH7fGKPZdOu28bOvR/pYHA9ACRFUq5/f2JPlxBdn973g5evzH/00UcfvX/t8svPf+uLg//iP6Xp+pjF/mqsX74azV95+a92bRJCbHjk+eZysWnH2M/evPa+u8Zrf/vDsd3/aP/ERz6yl1SvVWD+yss/2PfpLiG6dnx3Jkr9cT0AJEVSrneteP9TPiNWU7sTe5qDfnfpU//z52P33rK+S4iu9bfcO/bCnFRy/9gLL4zdu3mdEGLdZnfZnPTBX9ZHyo1SzRG7Tfqa65sHIt8ZfPZr5+wHZZO9q/o7/nLGftQf/d3jfUJ07fsbe4kquB4AkiLc9R9G4rffuUMI0f+1c7+3Ln52jxBiz7P6J/2j5xv/7upSkyVdd3znzQ8//PDD86P9QnStW9elLLtPTRhtevhnv1dKPT9quP5Zs1rnR/sblfA497XPCtH14E8//PDDDz/82cMbhNhw31P/y37Qv392T5cQn/vmm81PTv3pBiHu+M5vfY7aXd735b8NbEwPXA8ASRHu+sVoXP3Jg5uEEF3ri/eMjP7V6emZqzekpc/uFkLsflb/pH/0fOPfn9z93bOvzr27uLj47sXT/65fCLHh4dOLi4uu6z/94HfPXnx3cfHGb79/3wYhxKbPP/Gj6bl3Fxdv/Pa793TV11VKtexUp+5693/vzr16+su3dQmxYf8pr/Lnv35blxBi3Sfu/FdfKf/Yq1+TG8/u7hLic9/8tfL/e/76quWob1x942z53k1CiE0Pn76xGAFcDwBJkZjrFxcX35r65heK6xvj7671t/zx6NRbpvWan8iuV5a60uwfPa/7WNtycXFx8epf39PYvBXX689OP/3wqbekmrw+/tidn1jXWLxu07aHxl+vu/rGqf0bmrLXVO9WQC/+pgeffWsxErgeAJIiSdd7vDv36tkfl79yT3F9lxBdt339/GJ813uj+Qd/EsH18ubtuv6W4ed+ax1z37g6M336r0b/tav9TQ/+xPO5LPsbz+7uEl33/ve66jXXr9u09c7Hvv/qu7bireB6AEiKcNd/0DKzx+/uEuLjXzr7wQfP7BZC7H5GWvjMbiFE/+FfNv6tLP3gl4f7vU1/ebi/saKx5Qfa5soyS7Eactmzz+zeJETXbYdfXgg6qIWzX/qkEOLu41e8/z+3f4MQn/vGGx8sPOOq/oqtYq2A6wEgKVbS9R+c/dLHhej6kx971vuXP5QsGuz6K8fvFkJs//Zv0nP9Bx8svHz4ti4hNu1+ZjZgG7dqt3391foHpx/eIMTnvnHBUD2uB4BOIdz11Ug8/dAn7hj55uQvLr71TrVarVbfeesX3/uTLV1CdN174kq1OjncI0RX8T/84h132cThez8phOg/fK5arVaf3i2E2P20V9Q7vz51+PObhOja/q3/Ua1Wz7k+Ptfc1W5h+cDdXFn29G4hxCe/+PyVeb9aG2Vffnr3JiG6iof/Yb5arZ77i3/6h184/P0XfvUbt4j5K6+7VROf/MqLzVImh3uE6C8Wu0TX7qflfanHFRtcDwBJkZjrLY8hhRDr/sl/PletVqvzk8PqS7XuDEvZ9fozTM+3bbj+0n/5vDRR0+Zco+xqdf4fDhe7hNi0++nL7mJL1W566MdX5GLOfOnj7gJV9bgeADqFpFw/f+WVicOlO7beVJ+Hs27Tti984/nfNNw3f+EHD/3hencC4x8ffv43P5Cs/PRuIXruHh654xZ3hU3bHvrer97xNmzd9dX53/xkxN1n1/qb/u3fmLW2uL4qD+6v/PqF//rv7972B5u8eThd62+5Y6RZtQau7Hv2n1TvIHA9AHQI4a7/35ARuB4AkiLc9e9DRuB6AEgKXN+54HoASApc37ngegBIinDX/x4yAtcDQFLg+s4F1wNAUoS7HjIknSAAgNwT4noAAMgBuB4AIP/gegCA/IPrAQDyD64HAMg/uB4AIP/gegCA/IPrAQDyD64HAMg/uB4AIP/gegCA/IPrAQDyD64HAMg/uB4AIP/gegCA/IPrAQDyD64HAMg/uB4AIP/gegCA/IPrAQDyD64HAMg/uB4AIP/gegCA/IPrAQDyD64HAMg/uB4AIP/gegCA/IPrAQDyD64HAMg/uB4AIP/gegCA/IPrAQDyD64HAMg/uB4AIP/gegCA/IPrAQDyD64HAMg/uB4AIP/gegCA/IPrAQDyD64HAMg//x9fPM8J0YjKIQAAAABJRU5ErkJggg==" alt="" />

　　aspx文件本质上还是html文件，只在页头附加<%和%>标签的元素声明,head以及form元素中添加runat="server"。

• aspx作为呈现内容，并未有与服务器沟通的实质性代码，此时利用<%和%>内的CodeBehind特性，启用aspx文件相应的隐藏文件，后缀名为aspx.cs的文件。该代码隐藏类的基础是System.Web.UI.Page，其中包含许多用于响应Web请求的方法和属性。在Default.aspx.cs代码隐藏文件中，利用在初次加载页面时就会被调用，并在用户提交窗体时再次被调用的Page_Load方法，对用户是否参加晚会进行判断，从而转向相应的结果页面。

 using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Web;
 using System.Web.UI;
 using System.Web.UI.WebControls;
 using System.Web.ModelBinding;

 namespace PartyInvites{
     public partial class Default : System.Web.UI.Page{
         protected void Page_Load(object sender, EventArgs e){
             if (IsPostBack){
                 GuestReponse rsvp = new GuestReponse();
                 if(TryUpdateModel(rsvp,new FormValueProvider(ModelBindingExecutionContext))){
                     ResponseRepository.GetRepository().AddResponse(rsvp);
                     if(rsvp.WillAttend.HasValue && rsvp.WillAttend.Value){
                         Response.Redirect("seeyouthere.html");
                     }else{
                         Response.Redirect("sorryyoucantcome.html");
                     }
                 }
             }
         }
     }
 }

Default.aspx.cs

• 在此实例中涉及到数据存储，但为了快捷方便，直接向对象存储在内存中。在此是利用类文件GuestReponse.cs完成，并且简单的利用数据模型类应用特性来实现验证。

 using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Web;
 using System.ComponentModel.DataAnnotations;

 /// <summary>
 /// GuestReponse 的摘要说明
 /// </summary>
 namespace PartyInvites
 {
     public class GuestReponse
     {
         [Required]
         public string Name { get; set; }
         [Required]
         public string Email { get; set; }
         [Required]
         public string Phone { get; set; }
         [Required(ErrorMessage="Please tell us if you will attend")]
         public bool? WillAttend { get; set; }
     }
 }

GuestReponse.cs

• ResponseRepository.cs读取实例中的所有数据对象，并向其中添加新对象。

 using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Web;

 /// <summary>
 /// ResponseRepository 的摘要说明
 /// </summary>
 namespace PartyInvites
 {
     public class ResponseRepository
     {
         private static ResponseRepository repository = new ResponseRepository();
         private List<GuestReponse> responses = new List<GuestReponse>();

         public static ResponseRepository GetRepository()
         {
             return repository;
         }
         public IEnumerable<GuestReponse> GetAllResponses()
         {
             return responses;
         }
         public void AddResponse(GuestReponse response)
         {
             responses.Add(response);
         }

     }
 }

ResponseRepository.cs

• 实例中另一重要文件Summary.aspx以及其代码隐藏文件Summary.aspx.cs将参加聚会与不参加聚会的人员信息做出总结，两个表格的数据调用方式有些区别，前者直接在页面中包含代码，后者将aspx.cs中所含调用方法的结果利用<%=和%>插入到发送给浏览器的输出中。

 <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Summary.aspx.cs" Inherits="PartyInvites.Summary" %>
 <%@ Import Namespace="PartyInvites" %>
 <!DOCTYPE html>

 <html xmlns="http://www.w3.org/1999/xhtml">
 <head runat="server">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
     <title></title>
     <link rel="stylesheet" href="StyleSheet.css" />
 </head>
 <body>
     <h2>RSVP Summary</h2>

     <h3>People Who Will Attend</h3>
     <table>
         <thead>
             <tr><th>Name</th><th>Email</th><th>Phone</th></tr>
         </thead>
         <tbody>
             <% var yesData = ResponseRepository.GetRepository().GetAllResponses().Where(r => r.WillAttend.HasValue && r.WillAttend.Value);
                foreach (var rsvp in yesData){
                    string htmlString = String.Format("<tr><td>{0}</td><td>{1}</td><td>{2}</td></tr>", rsvp.Name, rsvp.Email, rsvp.Phone);
                    Response.Write(htmlString);
                }
                 %>
         </tbody>
     </table>
    <h3>People Who Will Not Attend</h3>
    <table>
        <thead>
            <tr><th>Name</th><th>Name</th><th>Phone</th></tr>
        </thead>
        <tbody>
            <%= GetNoShowHtml() %>
        </tbody>
    </table>
 </body>
 </html>

Summary.aspx

 using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Web;
 using System.Web.UI;
 using System.Web.UI.WebControls;
 using System.Text;

 namespace PartyInvites
 {
     public partial class Summary : System.Web.UI.Page
     {
         protected void Page_Load(object sender, EventArgs e)
         {

         }
         protected string GetNoShowHtml() {
             StringBuilder html = new StringBuilder();
             var noData = ResponseRepository.GetRepository().GetAllResponses().Where(r => r.WillAttend.HasValue && !r.WillAttend.Value);
             foreach(var rsvp in noData){
                 html.Append(String.Format("<tr><td>{0}</td><td>{1}</td><td>{2}</td></tr>", rsvp.Name, rsvp.Email, rsvp.Phone));
             }
             return html.ToString();
         }
     }
 }

Summary.aspx.cs