问题描述
好的，我正在Unity中制作一个访问A MySql数据库中数据的游戏。我从Visual Studio 2017安装程序安装了数据处理包，并添加了对System< g class =" gr_ gr_14 gr-alert gr_gramm gr_inline_cards gr_run_anim
Style replaceWithoutSep"的引用。数据-GR-ID =" 14'; ID = QUOT; 14';>。数据< / g取代;在我的解决方案然而，当我尝试从NuGet安装System.Data.SqlClient时，我从包管理器获得此输出：
尝试 以收集相关性信息 for package 'System.Data.SqlClient.4.5.1' with 对项目的尊重 'Assembly-CSharp' ， targeting '。NETFramework，Version = v3.5' Gathering 依赖信息 382.04 msAttempting to resolve dependencies for package 'System.Data.SqlClient.4.5.1' with DependencyBehavior 'Lowest' Resolving 依赖信息 0 msResolving要安装的操作 package 'System.Data.SqlClient.4.5.1' 已解决 要安装的操作 package 'System.Data.SqlClient.4.5.1' 检索 package 'System.Data.SqlClient 4.5.1' from 'nuget.org' 。 安装 failed 。 滚动 back ... Package 'System.Data.SqlClient.4.5.1' not 存在 in project 'Assembly-CSharp' Package 'System.Data.SqlClient.4.5.1' not 存在 in 文件夹 'C：\Users\kids only\Desktop\Unity Projects\Cool YT RPG \packages' 执行 nuget actions taking 5.54 secCould not install package 'System.Data.SqlClient 4.5.1' 。 你 正在尝试安装 this package into 一个目标项目 '。NETFramework，Version = v3.5' ， 但是 package not 包含任何程序集引用 或 兼容的内容文件 with 那个框架 。 对于 更多信息 ， 联系 package 作者 。 时间 Elapsed ： 00 ： 00 ： 06.1397891 ========== 已完成 ==========
请，我是Visual Studio，Unity，C＃的新手， ;请提供详细，易于理解，逐步说明如何解决此问题的说明。
Okay, so I am making a game in Unity that accesses data from A MySql Database. I installed the Data processing package from the Visual Studio 2017 Installer and I added a reference to System<g class="gr_ gr_14 gr-alert gr_gramm gr_inline_cards gr_run_anim Style replaceWithoutSep" data-gr-id="14" id="14">.Data</g> in my solution. Yet, when I try installing System.Data.SqlClient from NuGet, I get this output from Package Manager:
Attempting to gather dependency information for package 'System.Data.SqlClient.4.5.1' with respect to project 'Assembly-CSharp', targeting '.NETFramework,Version=v3.5'Gathering dependency information took 382.04 msAttempting to resolve dependencies for package 'System.Data.SqlClient.4.5.1' with DependencyBehavior 'Lowest'Resolving dependency information took 0 msResolving actions to install package 'System.Data.SqlClient.4.5.1'Resolved actions to install package 'System.Data.SqlClient.4.5.1'Retrieving package 'System.Data.SqlClient 4.5.1' from 'nuget.org'.Install failed. Rolling back...Package 'System.Data.SqlClient.4.5.1' does not exist in project 'Assembly-CSharp'Package 'System.Data.SqlClient.4.5.1' does not exist in folder 'C:\Users\kids only\Desktop\Unity Projects\Cool YT RPG\packages'Executing nuget actions took 5.54 secCould not install package 'System.Data.SqlClient 4.5.1'. You are trying to install this package into a project that targets '.NETFramework,Version=v3.5', but the package does not contain any assembly references or content files that are compatible with that framework. For more information, contact the package author.Time Elapsed: 00:00:06.1397891========== Finished ==========
Please, I'm new to Visual Studio, Unity, C#, ect. please give detailed, easy-to-understand, step-by-step instructions on how to fix this problem.
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