{"id":2494,"date":"2014-07-10T14:16:47","date_gmt":"2014-07-10T06:16:47","guid":{"rendered":"http:\/\/kuki.idv.tw\/?p=2494"},"modified":"2014-07-10T14:16:47","modified_gmt":"2014-07-10T06:16:47","slug":"%e8%bd%89-net%e5%b0%87datatable%e8%bd%89%e6%88%90list%e7%89%a9%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/www.kuki.idv.tw\/?p=2494","title":{"rendered":"[\u8f49][.NET]\u5c07DataTable\u8f49\u6210List\u7269\u4ef6"},"content":{"rendered":"

\u4f86\u6e90 \u00a0http:\/\/www.dotblogs.com.tw\/rainmaker\/archive\/2013\/11\/05\/126727.aspx<\/p>\n

\u4eca\u5929\u770b\u540c\u4e8b\u5206\u4eab\u6642\uff0c\u770b\u5230\u4ed6\u5011\u5c07DataTable\u8f49\u6210\u7269\u4ef6\u6642\uff0c\u4f7f\u7528for…each\u7684\u65b9\u5f0f\u3002<\/p>\n

\u96d6\u7136\u6709\u5f88\u591a\u7684ORM\u6846\u67b6\u53ef\u4ee5\u5e6b\u6211\u5011\u505a\u5230\u540c\u6a23\u7684\u6548\u679c\uff0c\u4f46\u5982\u679c\u624b\u52d5\u8981\u505a\u7684\u8a71\uff0c\u6709\u90a3\u4e9b\u65b9\u5f0f\u5462?<\/p>\n

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1<\/code><\/td>\n\/\/\u8981\u8f49\u63db\u7684\u7269\u4ef6<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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2<\/code><\/td>\npublic<\/code>\u00a0class<\/code>\u00a0Document<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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3<\/code><\/td>\n{<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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4<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0<\/code>public<\/code>\u00a0string<\/code>\u00a0CompId {\u00a0<\/code>get<\/code>;\u00a0<\/code>set<\/code>; }<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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5<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0<\/code>public<\/code>\u00a0string<\/code>\u00a0HandleUnit {\u00a0<\/code>get<\/code>;\u00a0<\/code>set<\/code>; }<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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6<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0<\/code>public<\/code>\u00a0string<\/code>\u00a0No {\u00a0<\/code>get<\/code>;\u00a0<\/code>set<\/code>; }<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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7<\/code><\/td>\n}<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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\u65b9\u6cd51:\u4f7f\u7528for…each (for\u2026next\u4e5f\u53ef\u4ee5)<\/h4>\n
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01<\/code><\/td>\n\/\/\u5c07DataTable\u8f49\u6210List<\u7269\u4ef6><\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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02<\/code><\/td>\nDataTable dt =\u00a0<\/code>new<\/code>\u00a0DataTable();<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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03<\/code><\/td>\ndt.Columns.Add(<\/code>\"CompId\"<\/code>,\u00a0<\/code>typeof<\/code>(<\/code>string<\/code>));<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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04<\/code><\/td>\ndt.Columns.Add(<\/code>\"HandleUnit\"<\/code>,\u00a0<\/code>typeof<\/code>(<\/code>string<\/code>));<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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05<\/code><\/td>\ndt.Columns.Add(<\/code>\"No\"<\/code>,\u00a0<\/code>typeof<\/code>(<\/code>string<\/code>));<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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06<\/code><\/td>\ndt.Rows.Add(<\/code>new<\/code>\u00a0object<\/code>[] {<\/code>\"655\"<\/code>,\u00a0<\/code>\"EBS\"<\/code>,\u00a0<\/code>\"001\"<\/code>\u00a0});<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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07<\/code><\/td>\ndt.Rows.Add(<\/code>new<\/code>\u00a0object<\/code>[] {\u00a0<\/code>\"655\"<\/code>,\u00a0<\/code>\"ODM\"<\/code>,\u00a0<\/code>\"002\"<\/code>\u00a0});<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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08<\/code><\/td>\ndt.Rows.Add(<\/code>new<\/code>\u00a0object<\/code>[] {\u00a0<\/code>\"655\"<\/code>,\u00a0<\/code>\"OCS\"<\/code>,\u00a0<\/code>\"003\"<\/code>\u00a0});<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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09<\/code><\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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10<\/code><\/td>\n\/\/Way 1, for next<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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11<\/code><\/td>\nList<Document> Way1 =\u00a0<\/code>new<\/code>\u00a0List<Document>();<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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12<\/code><\/td>\nforeach<\/code>\u00a0(DataRow dr\u00a0<\/code>in<\/code>\u00a0dt.Rows)<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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13<\/code><\/td>\n{<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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14<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0<\/code>Document doc =\u00a0<\/code>new<\/code>\u00a0Document();<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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15<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0<\/code>doc.CompId = dr.Field<<\/code>string<\/code>>(<\/code>\"CompId\"<\/code>);<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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16<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0<\/code>doc.HandleUnit = dr.Field<<\/code>string<\/code>>(<\/code>\"HandleUnit\"<\/code>);<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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17<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0<\/code>doc.No = dr.Field<<\/code>string<\/code>>(<\/code>\"No\"<\/code>);<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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18<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0<\/code>Way1.Add(doc);<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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19<\/code><\/td>\n}<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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\u65b9\u5f0f2:\u5efa\u7acbExtension Methods\u900f\u904eReflection\u4f86\u7c21\u5316(\u53c3\u8003:fetch datarow to c# object<\/a>)<\/h4>\n
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01<\/code><\/td>\npublic<\/code>\u00a0static<\/code>\u00a0class<\/code>\u00a0DataTableExtensions<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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02<\/code><\/td>\n{<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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03<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0<\/code>public<\/code>\u00a0static<\/code>\u00a0IList<T> ToList<T>(<\/code>this<\/code>\u00a0DataTable table) where T :\u00a0<\/code>new<\/code>()<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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04<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0<\/code>{<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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05<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>IList<PropertyInfo> properties =\u00a0<\/code>typeof<\/code>(T).GetProperties().ToList();<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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06<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>IList<T> result =\u00a0<\/code>new<\/code>\u00a0List<T>();<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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07<\/code><\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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08<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>foreach<\/code>\u00a0(var row\u00a0<\/code>in<\/code>\u00a0table.Rows)<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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09<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>{<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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10<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>var item = CreateItemFromRow<T>((DataRow)row, properties);<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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11<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>result.Add(item);<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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12<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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13<\/code><\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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14<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>return<\/code>\u00a0result;<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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15<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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16<\/code><\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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17<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0<\/code>public<\/code>\u00a0static<\/code>\u00a0IList<T> ToList<T>(<\/code>this<\/code>\u00a0DataTable table, Dictionary<<\/code>string<\/code>,\u00a0<\/code>string<\/code>> mappings) where T :\u00a0<\/code>new<\/code>()<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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18<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0<\/code>{<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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19<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>IList<PropertyInfo> properties =\u00a0<\/code>typeof<\/code>(T).GetProperties().ToList();<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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20<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>IList<T> result =\u00a0<\/code>new<\/code>\u00a0List<T>();<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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21<\/code><\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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22<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>foreach<\/code>\u00a0(var row\u00a0<\/code>in<\/code>\u00a0table.Rows)<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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23<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>{<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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24<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>var item = CreateItemFromRow<T>((DataRow)row, properties, mappings);<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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25<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>result.Add(item);<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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26<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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27<\/code><\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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28<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>return<\/code>\u00a0result;<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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29<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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30<\/code><\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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31<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0<\/code>private<\/code>\u00a0static<\/code>\u00a0T CreateItemFromRow<T>(DataRow row, IList<PropertyInfo> properties) where T :\u00a0<\/code>new<\/code>()<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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32<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0<\/code>{<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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33<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>T item =\u00a0<\/code>new<\/code>\u00a0T();<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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34<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>foreach<\/code>\u00a0(var property\u00a0<\/code>in<\/code>\u00a0properties)<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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35<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>{<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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36<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>property.SetValue(item, row[property.Name],\u00a0<\/code>null<\/code>);<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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37<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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38<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>return<\/code>\u00a0item;<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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39<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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40<\/code><\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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41<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0<\/code>private<\/code>\u00a0static<\/code>\u00a0T CreateItemFromRow<T>(DataRow row, IList<PropertyInfo> properties, Dictionary<<\/code>string<\/code>,\u00a0<\/code>string<\/code>> mappings) where T :\u00a0<\/code>new<\/code>()<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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42<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0<\/code>{<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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43<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>T item =\u00a0<\/code>new<\/code>\u00a0T();<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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44<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>foreach<\/code>\u00a0(var property\u00a0<\/code>in<\/code>\u00a0properties)<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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45<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>{<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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46<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>if<\/code>\u00a0(mappings.ContainsKey(property.Name))<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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47<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>property.SetValue(item, row[mappings[property.Name]],\u00a0<\/code>null<\/code>);<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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48<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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49<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>return<\/code>\u00a0item;<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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50<\/code><\/td>\n\u00a0\u00a0\u00a0\u00a0<\/code>}<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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51<\/code><\/td>\n}<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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\u65b9\u5f0f2.1:\u5982\u679c\u6b04\u4f4d\u540d\u7a31\u8ddf\u7269\u4ef6\u5c6c\u6027\u540d\u7a31\u76f8\u540c\uff0c\u5247\u76f4\u63a5\u5c0d\u61c9\u3002<\/h4>\n
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1<\/code><\/td>\nDataTable dt2 =\u00a0<\/code>new<\/code>\u00a0DataTable();<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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2<\/code><\/td>\ndt2.Columns.Add(<\/code>\"CompId\"<\/code>,\u00a0<\/code>typeof<\/code>(<\/code>string<\/code>));<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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3<\/code><\/td>\ndt2.Columns.Add(<\/code>\"HandleUnit\"<\/code>,\u00a0<\/code>typeof<\/code>(<\/code>string<\/code>));<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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4<\/code><\/td>\ndt2.Columns.Add(<\/code>\"No\"<\/code>,\u00a0<\/code>typeof<\/code>(<\/code>string<\/code>));<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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5<\/code><\/td>\ndt2.Rows.Add(<\/code>new<\/code>\u00a0object<\/code>[] {\u00a0<\/code>\"655\"<\/code>,\u00a0<\/code>\"EBS\"<\/code>,\u00a0<\/code>\"001\"<\/code>\u00a0});<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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6<\/code><\/td>\ndt2.Rows.Add(<\/code>new<\/code>\u00a0object<\/code>[] {\u00a0<\/code>\"655\"<\/code>,\u00a0<\/code>\"ODM\"<\/code>,\u00a0<\/code>\"002\"<\/code>\u00a0});<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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7<\/code><\/td>\ndt2.Rows.Add(<\/code>new<\/code>\u00a0object<\/code>[] {\u00a0<\/code>\"655\"<\/code>,\u00a0<\/code>\"OCS\"<\/code>,\u00a0<\/code>\"003\"<\/code>\u00a0});<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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8<\/code><\/td>\n\/\/Way 2, \u5982\u679c\u6b04\u4f4d\u540d\u7a31\u8ddf\u5c6c\u6027\u4e00\u6a23\uff0c\u5c31\u76f4\u63a5Assign<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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9<\/code><\/td>\nvar Wary2 = dt2.ToList<Document>();<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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\u65b9\u5f0f2.2:\u5982\u679c\u6b04\u4f4d\u540d\u7a31\u8ddf\u7269\u4ef6\u5c6c\u6027\u540d\u7a31\u4e0d\u540c\uff0c\u5247\u5efa\u7acbDictionary\u578b\u614b\u7684Mapping\u7269\u4ef6\uff0c\u5982\u4e0b\uff0c<\/h4>\n
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01<\/code><\/td>\nDataTable dt3 =\u00a0<\/code>new<\/code>\u00a0DataTable();<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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02<\/code><\/td>\ndt3.Columns.Add(<\/code>\"CompId\"<\/code>,\u00a0<\/code>typeof<\/code>(<\/code>string<\/code>));<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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03<\/code><\/td>\ndt3.Columns.Add(<\/code>\"HandleUnit\"<\/code>,\u00a0<\/code>typeof<\/code>(<\/code>string<\/code>));<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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04<\/code><\/td>\ndt3.Columns.Add(<\/code>\"No\"<\/code>,\u00a0<\/code>typeof<\/code>(<\/code>string<\/code>));<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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05<\/code><\/td>\ndt3.Rows.Add(<\/code>new<\/code>\u00a0object<\/code>[] {\u00a0<\/code>\"655\"<\/code>,\u00a0<\/code>\"EBS\"<\/code>,\u00a0<\/code>\"001\"<\/code>\u00a0});<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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06<\/code><\/td>\ndt3.Rows.Add(<\/code>new<\/code>\u00a0object<\/code>[] {\u00a0<\/code>\"655\"<\/code>,\u00a0<\/code>\"ODM\"<\/code>,\u00a0<\/code>\"002\"<\/code>\u00a0});<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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07<\/code><\/td>\ndt3.Rows.Add(<\/code>new<\/code>\u00a0object<\/code>[] {\u00a0<\/code>\"655\"<\/code>,\u00a0<\/code>\"OCS\"<\/code>,\u00a0<\/code>\"003\"<\/code>\u00a0});<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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08<\/code><\/td>\n\/\/Way 3, \u5982\u679c\u6b04\u4f4d\u8ddf\u5c6c\u6027\u4e0d\u540c\uff0c\u5c31\u5efa\u4e00\u500bMapping\u8868<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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09<\/code><\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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10<\/code><\/td>\nvar mappings =\u00a0<\/code>new<\/code>\u00a0Dictionary<<\/code>string<\/code>,\u00a0<\/code>string<\/code>>();<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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11<\/code><\/td>\nmappings.Add(<\/code>\"CompId\"<\/code>,\u00a0<\/code>\"CompId\"<\/code>);<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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12<\/code><\/td>\nmappings.Add(<\/code>\"HandleUnit\"<\/code>,\u00a0<\/code>\"HandleUnit\"<\/code>);<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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13<\/code><\/td>\nmappings.Add(<\/code>\"No\"<\/code>,\u00a0<\/code>\"No\"<\/code>);<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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14<\/code><\/td>\nvar Way3 = dt3.ToList<Document>(mappings);<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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\u76f8\u4fe1\u4e00\u5b9a\u6709\u4e00\u5806\u4eba\u6703\u554f\u8aaa\uff0c\u70ba\u4f55\u8981\u9019\u6a23\u505a\u5462? \u70ba\u4f55\u4e0d\u4f7f\u7528ORM\u5462?\u00a0 \u70ba\u4ec0\u9ebc? \u70ba\u4ec0\u9ebc? \u2026..\u7b49\u5f88\u591a\u7684\u7591\u554f<\/p>\n

\u540c\u4e8b\u56de\u8aaa\uff0c\u56e0\u70ba\u53ea\u662f\u91dd\u5c0d\u820a\u6709\u7684\u7cfb\u7d71\u65b0\u589e\u4e00\u500b\u5c0f\u7684\u6a21\u7d44\uff0c\u800c\u76ee\u524d\u7cfb\u7d71\u7684Table\u6709300\u591a\u500b\uff0c\u6642\u9593\u6709\u9650 … So…. \u5c31\u5148\u9019\u6a23\u641e\u2026<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4f86\u6e90 \u00a0http:\/\/www.dotblogs.com.tw\/rainmaker\/archive\/2013\/1 … \u95b1\u8b80\u5168\u6587\u3008[\u8f49][.NET]\u5c07DataTable\u8f49\u6210List\u7269\u4ef6\u3009<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.kuki.idv.tw\/index.php?rest_route=\/wp\/v2\/posts\/2494"}],"collection":[{"href":"https:\/\/www.kuki.idv.tw\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kuki.idv.tw\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kuki.idv.tw\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kuki.idv.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2494"}],"version-history":[{"count":1,"href":"https:\/\/www.kuki.idv.tw\/index.php?rest_route=\/wp\/v2\/posts\/2494\/revisions"}],"predecessor-version":[{"id":2495,"href":"https:\/\/www.kuki.idv.tw\/index.php?rest_route=\/wp\/v2\/posts\/2494\/revisions\/2495"}],"wp:attachment":[{"href":"https:\/\/www.kuki.idv.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2494"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kuki.idv.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2494"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kuki.idv.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2494"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}