$ds|gm
TypeName: Microsoft.PowerShell.Commands.NewWebserviceProxy.AutogeneratedTypes.WebServiceProxy3tServer_ReportService2010_asmx.DataSource
Name MemberType Definition
---- ---------- ----------
Equals Method bool Equals(System.Object obj)
GetHashCode Method int GetHashCode()
GetType Method type GetType()
ToString Method string ToString()
Item Property Microsoft.PowerShell.Commands.NewWebserviceProxy.AutogeneratedTypes.WebServiceProxy3tServer_ReportService2010_asmx.DataSourceDe..
Name Property string Name {get;set;}
$ds|fl
Name : AHPUsersData
Item : Microsoft.PowerShell.Commands.NewWebserviceProxy.AutogeneratedTypes.WebServiceProxy3tServer_ReportService2010_asmx.DataSourceReference
The string that defines the Item property is the value I need. How do I get the actual value of the definition of the Item property? Relative newbie to PS and this is a little obtuse for me…
I tried $x=$ds.Item and I get a System.Management.Automation.PSParameterizedProperty object. I can’t figure out how to get the value. The Value property is System.Object Value {get;set;} and $x.Value gives me:
The response is a DataSourceDefinitionOrReference object that contains either a DataSourceReference or a DataSourceDefinition. If I query the data it looks like this:
PS C:\users\rs02130\Desktop\Projects\AHP\xml> $ds|fl
Name : AHPUsersData
Item : Microsoft.PowerShell.Commands.NewWebserviceProxy.AutogeneratedTypes.WebServiceProxy3tServer_ReportService2010_asmx.DataSourceReference
Which is a DataSourceReference object. If I query another report object I get:
Name : MSBI_Common
Item : Microsoft.PowerShell.Commands.NewWebserviceProxy.AutogeneratedTypes.WebServiceProxy3tServer_ReportService2010_asmx.DataSourceDefinition
Which is a DataSourceDefinition object. I’m guessing that what Item contains is a DataSourceOrDefinition object (gotta love MS) with one of the above two values. When I do the gm - Name Definition I get the DataSourceOrDefinition object, not the underlying object.
I think I have to get the object inside Item and get it’s definition?
This is the rabbit hole. It seems like once you try to dive into the object returned in $ds you lose the connection to the SSRS namespace and things get all bolloxed. This is impossible for you to replicate unless you have an SSRS server you can query…
I need the last part of the value of this:
Item : Microsoft.PowerShell.Commands.NewWebserviceProxy.AutogeneratedTypes.WebServiceProxy3tServer_ReportService2010_asmx.DataSourceReference
Which is the object the MS docs say is returned from a GetItemDatasources call against a report. I’m not sure why $ds shows up as a DataSourceReference or a DataSourceDefinition depending on which report I query when clearly the object type is actually a DataSourceDefinitionOrReference object based on what is returned from your code…
I’m writing a script to deploy reports to an SSRS server. After you copy the files you need to establish links between the datasources defined in your report files and the data source files you deployed. This is only done for report datasources that are DataSourceReference objects, not DataSourceDefinition objects. The process is (in simplified terms):
$ds=$proxy.GetItemDatasources(“path to report”)
if ($ds -eq “DataSourceReference”) {$proxy calls to link report to datasource}
But $ds appears to be a DataSourceReferenceOrDefinition object (despite what is displayed by the $ds|fl) which is what the docs say is returned by GetItemDatasources. The DataSourceReferenceOrDefinition object, according to the docs, contains either a DataSourceDefinition object or a DataSourceReference object.
It looks like the Format-List command is actually showing the type of object contained in $ds.Item as opposed to the definition of $ds.Item. So when I run the code you posted I get back a string that essentially says “DataSourceDefinitionOrReference”. When I try to dive into $ds.Item, assuming it contains an SSRS object, I end up with Powershell ParameterizedProperty objects, not SSRS objects. So I can’t extend the simple code above to match the SSRS docs.
Yes, but I can only run it against a file. If I run it against the report file it tells me it’s a report. I have to dig into the report to understand the datasources defined in the report to determine which (if any) datasources in the report need to be linked to datasource files that were deployed. I can’t go backwards from the datasource files to the datasources in the report. They’re only linked in the forward direction (report->datasource).
The prescribed method is to call GetItemDatasources against the report file. You get back one or more DataSourceDefinitionOrReference objects. Each one points to either a DataSourceReference or DataSourceDefinition object, or one of its properties says “DataSourceReference” or “DataSourceDefinition”. I haven’t gotten to that level yet.
I’ve also asked our MS rep for help. If we can’t figure this out maybe someone at MS can. Worst case I’ll be in Redmond in August and one of the session is Powershell so I’ll bug them.
The second (from the code from @Dave Wyatt) actually shows that the object inside $ds is a DataSourceDefinitionOrReference object (I think). I’m really starting to believe that the $ds|fl is displaying the content of that object somehow which is why it’s showing a DataSourceDefinition. I just can’t figure out how to get to that “Definition vs. Reference” that appears to be buried in there.
