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  1. 使用 C# 从数据库文件中提取数据

    数据库 被认为是大多数应用程序的组成部分。无论是桌面、Web 还是移动应用程序，数据库在存储、访问和操作数据方面都发挥着至关重要的作用。有许多数据库管理系统允许为您创建和管理数据库。 然而，当您需要一种从数据库文件(即 .db 文件) 中提取数据的方法时，可能会出现这样的情况，而无需安装数据库管理系统或编写 SQL 查询。在这种情况下，您将如何解析数据库文件并从中获取数据？ 在本文中，我将演示如何轻松地从 SQLite 数据库中的表中提取数据，而无需编写 SQL 查询。我将使用 GroupDocs.Parser for .NET API，它支持通过 [ADO.NET](https://en.wikipedia. org/wiki/ADO.NET) 。 从 SQLite 数据库 (.db) 中的表中提取数据的步骤 1. 在 Visual Studio 中创建一个新项目。 2. 从 Nuget 安装 GroupDocs.Parser for .NET。 3. 添加以下命名空间。 using System; using System.Collections.Generic; using System.IO; using GroupDocs.Parser.Data; using GroupDocs.Parser.Options; 4. 准备连接字符串。 string connectionString = string.Format("Provider=System.Data.Sqlite;Data Source={0};Version=3;", "sqlite.db"); 5. 在 Parser 对象中加载数据库文件。 using (Parser parser = new Parser(connectionString, new LoadOptions(FileFormat.Database))) { // 你的代码在这里 } 6.... 从 NuGet 安装 GroupDocs.Parser for .NET...

    blog.groupdocs.com/zh/parser/extract-data-from-...
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  2. Convert DOC to HTML with C#

    Learn how to Convert DOC to HTML with C# and achieve efficient DOC to HTML conversion in C# using GroupDocs.Conversion, enabling transformation in .NET applications....NET via NuGet to provide the conversion library...

    kb.groupdocs.com/conversion/net/convert-doc-to-...
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  3. Add Watermark to Excel Workbooks using C# | Tex...

    Insert watermarks into Excel workbooks using C#. Watermark all sheets or insert watermark to just specific sheet even as background using .NET API....downloads section or get it from NuGet . Install-Package GroupDocs...

    blog.groupdocs.com/watermark/watermark-excel-sh...
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  4. Find Synonyms of any Word using C# | Synonym Gr...

    Find all the possible synonyms of any word in C# using .NET API. Get different collections of synonyms arranged by different meanings of the same word....NET application via NuGet . PM> Install-Package GroupDocs...

    blog.groupdocs.com/search/find-synonyms-of-word...
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  5. Password Protect PowerPoint Files in C# | Lock ...

    How to lock PowerPoint files with passwords using C#. Change the existing password and remove it to unlock the PPT/PPTX files using the .NET API....NET application via NuGet . PM> Install-Package GroupDocs...

    blog.groupdocs.com/merger/lock-unlock-ppt-pptx-...
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  6. Introducing GroupDocs.Parser for .NET | GroupDocs

    Powerful .NET document parsing API for extracting text, images, metadata, and structured data from 50+ file formats including PDF, Word, Excel, PowerPoint. Features template-based extraction, full-text search, and enterprise-ready document processing capabilities....NET via NuGet: Install-Package GroupDocs ...

    docs.groupdocs.com/parser/net/introducing-group...
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  7. Extract Hyperlinks from DOC using C#

    Learn how to extract hyperlinks from DOC using C# efficiently. We will provide you a code example to read hyperlinks from DOC in C# for tasks like data extraction....library into your C# project via NuGet to enable the hyperlink extraction...

    kb.groupdocs.com/parser/net/extract-hyperlinks-...
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  8. Extract Hyperlinks from PPTX using C#

    Learn how to extract hyperlinks from PPTX using C# for presentation analysis, content management. This topic also includes code to read hyperlinks from PPTX in C#....library to your C# project using NuGet to facilitate hyperlink extraction...

    kb.groupdocs.com/parser/net/extract-hyperlinks-...
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  9. C# Convert WebP Images to JPG, PNG, TIFF & PDF ...

    How to convert WebP to JPG, PNG, TIFF, or PDF in C#. Use opensource .NET Conversion API. Working examples are also available at GroupDocs GitHub Repository....following methods: Install using NuGet Package Manager. Download the...

    blog.groupdocs.com/conversion/convert-webp-to-j...
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  10. Add Watermark to PDF using C# | Text and Image ...

    Add image watermarks or apply text watermarks to PDF files using C#. Either watermark all or selective pages of PDF using .NET Watermarking API....NET application via NuGet . PM> Install-Package GroupDocs...

    blog.groupdocs.com/watermark/watermark-pdf-file...
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