Issues that are fixed in this update. The following issues are fixed for .NET Framework 4.7.2. SQL Server (SQL) Fixes an issue in which the .NET Framework API SqlConnection.ConnectionString property is used to set a null or empty connection string. In this situation, a Null Reference Exception (NRE) occurs when you use the API together with .NET Framework 4.7.2.

首先尝试以下操作. 首先尝试执行以下操作来帮助你解决连接问题或缩小该问题的范围。. 运行 获取帮助 以排查和修复常见的连接问题。. 右击任务栏右侧的网络图标，然后选择“ 诊断网络问题 ”或打开“ 获取网络和 Internet 帮助 ”. 确保 WLAN 已打开。. 选择 ...

Windows 11 Windows 10. 若要打开“开始”菜单（其中包含所有应用、设置和文件），可以执行以下任一操作：. 在任务栏的中心或左端，选择 “开始” 图标。. 注意: 任务栏设置确定任务栏所在的位置。. 按键盘上的 Windows 徽标键 。. 从屏幕的下半部分或左侧向上轻扫 ...

若要手动选择主题色，请在“ 最近使用的颜色 ”或“ Windows 颜色”下选择一种主题色，或选择“ 自定义颜色 ”以获取更详细的选项。或者选择“ 从背景中自动选取主题色 ”框，让 Windows 选择该颜色。你选择的主题色将有助于偏移和补充浅色模式。

Selecione sua versão do Microsoft 365 abaixo para saber como ativar o Microsoft 365. Ativar o Microsoft 365 ou uma versão sem assinatura do Office. Ativar o Office que está pré-instalado em um novo dispositivo Windows. Ativar uma compra ou oferta do Office incluída em um novo dispositivo Windows. Ative o Office no Programa de Desconto da ...

使用键盘快捷方式应用上标或下标. 选择所需文字或数字。. 若要使用上标，请同时按 Ctrl、Shift 和加号 (+)。. 对于下标，按 Ctrl 并同时按等号 (=) 。. ( 请勿 按 Shift.) 提示: 还可以通过在“ 字体 ”对话框中选择选项，将文本的格式设置为上标或下标，如下一过程 ...

The new Microsoft Edge is based on Chromium and was released on January 15, 2020. It is compatible with all supported versions of Windows, and macOS. With speed, performance, best in class compatibility for websites and extensions, and built-in privacy and security features, it's the only browser you'll ever need. Try the new Microsoft Edge now.

联系 Microsoft 支持. 新增内容. Surface Pro. Surface Laptop. Surface Pro 9. Surface Laptop 5. Microsoft Copilot. Microsoft 365. Windows 11 应用程序.

Sign in to Outlook on the web with your work or school account. Go to outlook.office.com. If you're not automatically signed in with your work or school account, follow the prompts to enter the email address and password for your work or school account. Follow any two-factor authentication prompts you may have previously set up for this account.

Technical details. The TRANSPOSE function returns a vertical range of cells as a horizontal range, or vice versa. The TRANSPOSE function must be entered as an array formula in a range that has the same number of rows and columns, respectively, as the source range has columns and rows. Use TRANSPOSE to shift the vertical and horizontal orientation of an array or range on a worksheet.