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Jordan Trajkov
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141
7.2k
Access is denied to the network printers for ASP.NET App
Sep 26 2019 11:41 PM
I have instaled asp.net application on a server. I want to display network printers in a dropdown and i use this codes to achive that goal:
Protected
Overrides
Sub
LoadPrinters()
Dim
permison
As
New
PrintingPermission(PrintingPermissionLevel.AllPrinting)
If
Not
IsPostBack
Then
Dim
strPrinter
As
String
Dim
li
As
ListItem
dlPrinters.Items.Clear()
dlPrinters.Items.Add(
New
ListItem(
"Select Printer"
,
""
))
For
Each
strPrinter
In
System.Drawing.Printing.PrinterSettings.InstalledPrinters
dlPrinters.Items.Add(strPrinter)
Next
End
If
Also i try this code:
Private
Sub
PrinterList()
' USING WMI. (Windows Management Instrumentation)
Dim
objMS
As
System.Management.ManagementScope = _
New
System.Management.ManagementScope(ManagementPath.DefaultPath)
objMS.Connect()
Dim
objQuery
As
SelectQuery =
New
SelectQuery(
"SELECT * FROM Win32_Printer"
)
Dim
objMOS
As
ManagementObjectSearcher =
New
ManagementObjectSearcher(objMS, objQuery)
Dim
objMOC
As
System.Management.ManagementObjectCollection = objMOS.
Get
()
dlPrinters.Items.Clear()
dlPrinters.Items.Add(
New
ListItem(
"Select Printer"
,
""
))
For
Each
Printers
As
ManagementObject
In
objMOC
If
CBool
(Printers(
"Local"
))
Then
' LOCAL PRINTERS.
dlPrinters.Items.Add(Printers(
"Name"
))
End
If
If
CBool
(Printers(
"Network"
))
Then
' ALL NETWORK PRINTERS.
dlPrinters.Items.Add(Printers(
"Name"
))
End
If
Next
Printers
End
Sub
In both scenarios i cannot see network printers in the dropdown list and if i use second code i can see error: Access is denied.
My application is using impersonate account with full permision to the network and printers. What else can make the problems?
Reply
Answers (
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