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    <p>Performance Counter is the choice if you are wanting it for profiling your application. </p> <p>However, if you want it as a general purpose system info, then you may want to look at WMI. Here is a sample which I used previously for getting disk info:</p> <p><em>Note</em>: You will need a reference to <code>System.Management</code></p> <pre class="lang-vb prettyprint-override"><code>Dim scope As ManagementScope = New ManagementScope("\\.\root\CIMV2") scope.Options.Impersonation = ImpersonationLevel.Impersonate scope.Options.EnablePrivileges = True Dim wmiQuery = "SELECT SystemName, Name, VolumeName, Size, FreeSpace FROM Win32_LogicalDisk WHERE DriveType = 3 " Dim query As ObjectQuery = New ObjectQuery(wmiQuery) Dim searcher As ManagementObjectSearcher = New ManagementObjectSearcher(scope, query) Dim result As New List(Of MyDrive) For Each systemDrive As ManagementObject In searcher.Get Dim diskDrive = New MyDrive diskDrive.SystemName = systemDrive("SystemName").ToString diskDrive.Name = systemDrive("Name").ToString diskDrive.Size = CDec(systemDrive("Size")) / 1073741824 diskDrive.FreeSpace = CDec(systemDrive("FreeSpace")) / 1073741824 diskDrive.VolumeName = systemDrive("VolumeName").ToString result.Add(diskDrive) Next Public Class MyDrive Public Property SystemName As String Public Property Name As String Public Property VolumeName As String Public Property Size As Decimal Public Property FreeSpace As Decimal Public ReadOnly Property PercentFree As Decimal Get Dim percent As Decimal = 0 If Size &gt; 0 Then percent = FreeSpace / Size Return percent End Get End Property End Class </code></pre> <p>Notice that I have divided the disk space to convert it into GB.</p>
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    1. POHow to monitor the computer's cpu, memory, and disk usage in ASP.NET?
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A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

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