Functionfn_UpdateRow { Param([string]$DatabaseName,[int32]$row) $ReadBackupHeader.Rows[$row]["DatabaseName"]=$DatabaseName $ReadBackupHeader.AcceptChanges() } $ReadBackupHeader | Format-Table-AutoSize -Wrap fn_UpdateRow -DatabaseName "Test" -row0 $ReadBackupHeader | Format-Table-AutoSize ...
Return $Null } Return $DataTable } Function CloseSqlConnection{ Param( [Parameter(position = 0 , Mandatory = $true)]$SqlConn ) If ($sqlConn.State -eq 'Open'){ $SqlConn.Close() } } #示例 $SqlString = "select top 5 name from sys.databases " $SqlString2 = "select top 5 name f...
$SqlConnection.Open()return$SqlConnection}catch{return$null}}# 执行语句 FunctionExecuteSQL($sql){try{$SqlConn=GetSqlConnection $SqlCmd=New-Object System.Data.SqlClient.SqlCommand $SqlCmd.CommandText=$sql $SqlCmd.Connection=$SqlConn $Reader=$SqlCmd.ExecuteReader()$DataTable=New-Object System.Data...
return $SqlConnection } catch{ return $null } } # 执行语句 Function ExecuteSQL($sql){ try{ $SqlConn = GetSqlConnection $SqlCmd = New-Object System.Data.SqlClient.SqlCommand $SqlCmd.CommandText = $sql $SqlCmd.Connection = $SqlConn $Reader= $SqlCmd.ExecuteReader() $DataTable = New-Objec...
Custom function to check if a service exist CVS output from power-shell just outputting text length DataGridView: Get data from rows Datatable - Sorting and Deleting Date and Time format with ParseExact Date Format Changes when exporting to csv Date Format Refuses To Change To DD-MM-YYYY Deali...
functionglobal:Hello {Write-Host"Hello, World"} 您也可以使用範圍修飾詞來參考不同範圍中的變數。 下列命令是指$test變數,先在本機範圍,然後在全域範圍中: PowerShell $test$global:test using:範圍修飾詞 Using 是特殊的範圍修飾詞,可識別遠端命令中的局部變數。 如果沒有修飾詞,PowerShell 預期遠端命令中的...
[File:$FilePath] The file is found"} }# ---# Log operation# ---FunctionWriteToLog {Param(# Message want to write to log file[Parameter(Mandatory =$true)] [String]$Message,# "Succeed" or "Faild"[String]$Type="Message")$date=Get-Date-Format'HH:mm:ss'$logInfo=$date+" - [$...
执行管道时,PowerShell 会自动枚举实现IEnumerable接口或其泛型对应接口的任意类型。 枚举项一次通过管道发送一个。 PowerShell 还通过Rows属性枚举System.Data.DataTable类型。 自动枚举有一些例外。 必须为哈希表、实现IDictionary接口的类型或其泛型对应类型调用GetEnumerator()方法,并System.Xml。XmlNode类型。
{return $null}}# 执行语句Function ExecuteSQL($sql){try{$SqlConn = GetSqlConnection$SqlCmd = New-Object System.Data.SqlClient.SqlCommand$SqlCmd.CommandText = $sql$SqlCmd.Connection = $SqlConn$Reader= $SqlCmd.ExecuteReader()$DataTable = New-Object System.Data.DataTable$DataTable.Load($Reader...
You do not needReturnbecause Windows PowerShell always returns an object from a function, butReturnmakes the script easier to read, so it is no problem leaving it there. Round five: Hi Ed, These two statements return fine with the actual data: ...