$command = [System.Data.SqlClient.SqlCommand]::New(queryString, connection) $command.Connection.Open() $command.ExecuteNonQuery() $command.Connection.Close() 无论何时打开或连接到资源,都应将其关闭。 如果 ExecuteNonQuery() 引发异常,则连接不会关闭。 下面是 try/finally 块内的相同代码。PowerShell 复制...
PS C:\ps-test> .\test.ps1 Hit Command breakpoint on'C:\ps-test\test.ps1:psversion'test.ps1:12psversion 因為執行原則設定為RemoteSigned,所以會在函數調用停止執行。 此時,您可能會想要檢查呼叫堆疊。 使用Get-PsCallStackcmdlet 或Get-PsCallStack調試程式命令, (k) 。 下列命令會取得目前的呼叫堆疊。
PowerShell 7.0 标记了转移到 .NET Core 3.1 的过程,从而大大改进了现有 Windows PowerShell 模块向后兼容性。 其中包括 Windows 上需要 GUI 功能(如Out-GridView和Show-Command)的许多模块以及作为 Windows 的一部分提供的许多角色管理模块。 对于Windows,新开关参数 UseWindowsPowerShell 将添加到Import-Modul...
The only problem with this guidance is that if you have many parameters, it can be a bit much to remember. Of course, even when a parameter is positional, the parameter name can still be used from the command line.Cmdlet parameters can be defined as mandatory, meaning that they must ...
Operations Manager Command ShellIn OpsMgr, you access Windows PowerShell through the Command Shell, which is similar to the default Windows PowerShell environment except it loads a console file as well as a script that initializes the environment with OpsMgr cmdlets, functions, and a default ...
Calling Start-Process with arguments with spaces fails Calling the same function from within the function (calling itself) Can a file be too large to be read with Get-Content ? Can a webpage be opened in a browser by a PowerShell command, but leave the PowerShell console window as the...
arguments to those tools in a way that works as expected. However, many legacy command-line tools on Windows do not handle arguments in the industry standard way. As such, aWindowsmode for$PSNativeCommandArgumentPassingspecial cases some known tools to fallback to how it worked with Windows ...
Cannot perform the operation because the command is already started.Stop the command and try the operation again. (or) No commands are specified. ScriptCallDepthException The script recursed too deeply into script functions. There is a fixed limit on the depth of recursion. ...
I have run across some folks—I'll call them "purists"—who insist that using an old-style command-line utility within Windows PowerShell is somehow wrong. I don't quite follow their logic. I'm all about getting the job done, and if the easiest way to do that is to use a 10-year...
Common method of getting command help Easy to work with objects in a pipeline Easy to share using Modules We are pleased to announce the first preview ofPowerShell Crescendo, a framework to rapidly develop PowerShell cmdlets for native commands, regardless of platform. ...