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  1. 使用 C# 從數據庫文件中提取數據

    數據庫 被認為是大多數應用程序的組成部分。無論是桌面、Web 還是移動應用程序，數據庫在存儲、訪問和操作數據方面都起著至關重要的作用。有許多數據庫管理系統可以為您創建和管理數據庫。 但是，可能會出現這樣一種情況，即您需要一種方法來從數據庫文件(即 .db 文件)中提取數據，而無需安裝數據庫管理系統或編寫 SQL 查詢。在這種情況下，您將如何解析數據庫文件並從中獲取數據？ 在本文中，我將演示如何在不編寫 SQL 查詢的情況下輕鬆地從 SQLite 數據庫中的表中提取數據。我將使用 GroupDocs.Parser for .NET API，它支持通過 ADO.NET。 從 SQLite 數據庫 (.db) 中的表中提取數據的步驟 在 Visual Studio 中創建一個新項目。 從 NuGet 安裝適用於 GroupDocs.Parser for .NET。 添加以下命名空間。 using System; using System.Collections.Generic; using System.IO; using GroupDocs.Parser.Data; using GroupDocs.Parser.Options; 準備連接字符串。 string connectionString = string.Format("Provider=System.Data.Sqlite;Data Source={0};Version=3;", "sqlite.db"); 在 Parser 對像中加載數據庫文件。 using (Parser parser = new Parser(connectionString, new LoadOptions(FileFormat.Database))) { // 你的代碼在這裡 } 使用 Parser.GetToc 方法獲取數據庫中表的列表。 // 獲取表格列表 IEnumerable toc = parser....Text); // 將表格內容提取為文本 using (TextReader...// 打印表名 Console.WriteLine(i.Text); // 將表格內容提取為文本 using (TextReader...

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  2. diff view library

    Document Automation APIs to enrich .NET and Java applications to view, edit, annotate, convert, compare, e-sign, parse, split, merge, redact, or classify documents of almost all the popular file formats....PowerPoint, OpenDocument, PDF, Text, HTML и [многие другие документы][2]...

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  3. diff view library

    Document Automation APIs to enrich .NET and Java applications to view, edit, annotate, convert, compare, e-sign, parse, split, merge, redact, or classify documents of almost all the popular file formats....PowerPoint, OpenDocument, PDF, Text, HTML e [muitos outros documentos][2]...

    blog.groupdocs.com/pt/tag/diff-view-library/
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  4. ZIP archive

    Document Automation APIs to enrich .NET and Java applications to view, edit, annotate, convert, compare, e-sign, parse, split, merge, redact, or classify documents of almost all the popular file formats....中國傳統的 Learn how to pull plain text from every document inside ZIP...

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  5. archive parsing

    Document Automation APIs to enrich .NET and Java applications to view, edit, annotate, convert, compare, e-sign, parse, split, merge, redact, or classify documents of almost all the popular file formats....中國傳統的 Learn how to pull plain text from every document inside ZIP...

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  6. Java Redaction API on GroupDocs Blog | Document...

    Java Redaction API on GroupDocs Blog | Document Automation Solutions for .NET & Java Developers Recent content in Java Redaction API on GroupDocs Blog | Document Automation Solutions for .NET & Jav......slov, nahraďte nebo skryjte text v souborech Word DOC/DOCX pomocí...

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  7. diff view library

    Document Automation APIs to enrich .NET and Java applications to view, edit, annotate, convert, compare, e-sign, parse, split, merge, redact, or classify documents of almost all the popular file formats....PowerPoint, OpenDocument, PDF, Text, HTML і [багато інших документів][2]...

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  8. search in chunk on GroupDocs Blog | Document Au...

    search in chunk on GroupDocs Blog | Document Automation Solutions for .NET & Java Developers Recent content in search in chunk on GroupDocs Blog | Document Automation Solutions for .NET & Java Deve......Verzeichnisse mit C# Durchsuchen Sie Text nach Teilen, Textindizierung...

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  9. document taxonomy on GroupDocs Blog | Document ...

    document taxonomy on GroupDocs Blog | Document Automation Solutions for .NET & Java Developers Recent content in document taxonomy on GroupDocs Blog | Document Automation Solutions for .NET & Java ...... Klassifizieren Sie den Text mit IAB-2- oder Dokumententaxonomien...

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  10. Extract from ZIP in Java on GroupDocs Blog | Do...

    Extract from ZIP in Java on GroupDocs Blog | Document Automation Solutions for .NET & Java Developers Recent content in Extract from ZIP in Java on GroupDocs Blog | Document Automation Solutions fo......extrahieren Sie den gesamten Text und Bilder aus den beiliegenden...

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