Crystal Reports: How to change Oracle OLE DB server at runtime

Post Author: dvlasman
CA Forum: Data Connectivity and SQL
I'm using a rpt made with Crystal Reports 8.0.1 and VB 6. The report was made using the Microsoft OLE DB provider for Oracle. What I want to do is change to Oracle server / database the report is connecting to at run time before the report is displayed. I am using the Crystal Report Engine 8 Object Library (cpeaut32.dll), not the ocx.After creating the report object:Dim CrystalReport As CRPEAuto.ReportI open my report and discard saved data:'Open The ReportSet CrystalReport = CrystalApplication.OpenReport(msReportSource)CrystalReport.DiscardSavedDataConst sDBServer = "ORCL.SERVER" 'My TNS name for the Oracle ServerConst sDatabase = "ORCL.SERVER" 'I'm not sure what this value should beConst sUID = "system"Const sPwd = "manager"I was then going to change the database connection one of two ways:1:Dim objDatabaseTable As CRPEAuto.DatabaseTableFor Each objDatabaseTable In CrystalReport.Database.Tables Call objDatabaseTable.SetLogOnInfo(sDBServer, sDATABASE, sUID, sPWD) If (Not objDatabaseTable.TestConnectivity) Then Debug.Print "Database failed connection: " & objDatabaseTable.Name End IfNextSet objDatabaseTable = Nothing2:call crystalapplication.LogOnServer("pdsoledb.dll","MSDAORA.1",sDATABASE,sUID,sPWD)Neither of these two way gets me a successful connection. What am I doing wrong, and which is the preferred method to use?ThanksDean

Did you get a resolution to your problem? I cannot dynamically change the datasource location in .NET using CR XI via OLE DB for Oracle. I get "This field name is not known." messages and when I try using the set datasource location in the designer tool, the mapping dialog box comes up with no fields in the right box. Thanks, Brian

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+(SID = PLSExtProc)+
+(PRESENTATION = RO)+
+)+
+)+
ORACLR_CONNECTION_DATA =
+(DESCRIPTION =+
+(ADDRESS_LIST =+
+(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC_FOR_XE))+
+)+
+(CONNECT_DATA =+
+(SID = CLRExtProc)+
+(PRESENTATION = RO)+
+)+
+)+
Now I`m trying to initialize this on one machine (database & client) and so the crystal report will be on the same machine where the database exist; Additionally, this machine has OS Windows 7 Ultimate 64bit and include the Oracle 10g Express Database & Oracle 10g Express Client software.
Please check the files content I included above and give me the way on how to establish a connection from the crystal report to the database where both are installed on the same machine.
Thanks in advance...

Crystal Report to PDF change fonts, cut text and change lines

Post Author: jzwanziger
CA Forum: Exporting
Hello all, I am using Crystal Reports v10 and I created my report. The report works fine and the export function works fine in some particular servers. We were developing under Windows Server 2003 Service Pack 2 using Visual Studio 2005 Service Pack 1. We created the deployment and in our testing servers works fine (Windows Server 2003 and Windows XP these machines doesn't have any development tool).
When we installed the same deployment (MSI) file in the customer Windows Server 2003, the exporting function to PDF or using it the Crystal Reports viewer doesn't work (Same worng thing that is displayed in the viewer is in the PDF). We had detected labels cut in the middle, some fields changed the font size or alignment and some lines move it up, down or growing. Obviously this looks like a environment problem, but we don't have any idea how to fix it, or what is missed.
We tried to install, Windows Service Pack 2, install Acrobat Reader v8, verified the dll's, try to install the "dbex10win_en.zip" hot fix (we were not able to install it, setup file fail due some registry inconsistencies), Validate that the fonts are the same, and nothing fix the problem.
Could somebody help us, we are a little desperate.
thanks in advace for any idea.

See [this|https://forums.sdn.sap.com/click.jspa?searchID=29094456&messageID=7206473] forum thread for possible clues to a resolution. In a nut shell, as long as the Calibri font is up to date, the other two steps are;
1) Ensure you are using the latest Service Pack as suggested by Jonathan
2) See what USP10.dll is loading (use the [Modules|https://smpdl.sap-ag.de/~sapidp/012002523100006252802008E/modules.zip] utility)
Also, if this is a win app, compile it to an exe and run the exe to see if the issue persists. (when running the app exe, the USP10 loaded should be from the CR bin directory. when running ion the .NET environment, the USP10 will load from win\system or other)
Ludek
Edited by: Ludek Uher on Jul 16, 2009 10:57 AM

Crystal report - how to split a field into more fields

Hello,
I`m new to Crystal reports and I`ve got a trouble. I have field which contains an address - street, city, zip code. The example is:
STEHLIKOVA 977 165 00 PRAHA 620 - SUCHDOL 165 00.
What I need to achieve is to split this string into three separated fields. I`ve trouhg a couple of forums but haven`t been able to find a proper answer. The problem is that the addresses differ so I can`t use an absolute defining of a start position. Looking at the DB (HEXA code) the parts in the string are divided by two dots:
STEHLIKOVA 977..165 00 PRAHA 620 - SUCHDOL..165 00
I`ve been able to work out this solution:
stringVar array x := split({cparty.STREET_ADD},"..");
Local numberVar i;
Local stringVar outputString := "";
For i:=1 to Count(x) do
outputString := outputString + x[i] + Chr(10)
outputString;
It splits the string into three rows:
STEHLIKOVA 977
165 00 PRAHA 620 - SUCHDOL
165 00
And I don`t know how to find the end of each row so to be able to separate the strings and report them as three different fields.
Would be anyone so kind and help me out with this?
Thank you.
Petr

Hi
Actually using a for loop is not necessary here. All you need to do is to add several formula fields: one for street, one for city and one for zipcode. In @street field you add formula:
stringVar array x := split({cparty.STREET_ADD},Chr(13));
x[1];
Then you drag such formula field to details section of your report and watch preview to check if everything looks alright. Repeat for every formula field that you'd like see in your report.
In @city you add almost identical formula but you change index, i. e. instead of x[1] you need to use x[2]. Then for @zip x[3].
You may need to check if your address has all three parts - for example if you want to use formula in the second part of your address field you may need check first if there are at least two parts after split:
stringVar array := split({cparty.STREET_ADD},Chr(13));
numbervar c;
c := count(x);
if 2 <= c then
x[c];
Var 'c' is used to store the number of elements in array after split. Then I'd like to check if the part (second) actually exists. So I try to check if number of part that I want to refer to is not bigger than the number of elements in array after split (here stored in var 'c').
Actually the code presented above is not enough since you have no guarantee that you'll always get address structured in the very same way. For example in demo PL database I have zip code and city in the same row after split with Chr(13) as delimiter.
You'll need to experiment or ask someone to prepare correctly structured data coming from B1 to your report.
Kind regards,
Radek

Crystal Report: How to make the fixed height box in all pages.

Post Author: WTech
CA Forum: Crystal Reports
I want to make the height of box fixed size in all pages. The box in outside the detail section. Currently the size of the box changes according to the content of the detail section. Could anyone suggest me how should i achieve it ?

Hi srinivasan,
If you want to keep "Save" and "Stop" common, Why do you want to keep them on Tab control? Is your tab control taking entire space on Front panel? If so, you can have SAVE and STOP on other vi, and you can call this vi (MODAL).
Gaurav k
CLD Certified !!!!!
Do not forget to Mark solution and to give Kudo if problem is solved.

Crystal Report XI SP2 with Oracle

Hello,
We are migrating our applcation to Visual Studio 2008 with all reports to be designed in CR X1 SP2. Our database is Oracle 10g. Our reports can be based on Stored Procedure or SQL Queries. can someone point me to some good tutorial/link to start on this. How can i configure my database or how to call reports.
Thanks

Hello, Vijay;
Crystal Reports XI R2 is not supported with Visual Studio 2008.
Your choices are:
u2022   Use Visual Studio 2005 with Crystal Reports XI R2
u2022   Use Crystal Reports 2008 Basic (10.5) that bundles with Visual Studio 2008
u2022   Use Crystal Reports 2008 (12.0) full version with [Service Packs |https://smpdl.sap-ag.de/~sapidp/012002523100010503722008E/cr2008_sp1.exe]
The appropriate Developer's Library has documentation, tutorials and samples
Developer Library Crystal Reports XI R2[ here|http://devlibrary.businessobjects.com/BusinessObjectsXIR2SP2/en/devsuite.htm]. Look under Crystal Reports .NET SDK for tutorials and samples.
Developer Library Crystal Reports 2008 [here|http://help.sap.com/businessobject/product_guides/boexir31/en/crsdk_net_dg_12_en.chm] and [here|http://help.sap.com/businessobject/product_guides/boexir31/en/crsdk_net_apiRef_12_en.chm]
The samples can be found [here|https://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/d0bf8496-2a81-2b10-95ac-b1f48d5b63f5].
Elaine

Crystal Report Viewer Page Change Refresh Issue

Hello
I hope this is an easy question for someone out there.
I am using a crystal report viewer with the code contained in the page init event. The report has several pages and opens in a separate tab. There is also a on demand drilldown sub-report in the report.
When I want to move to the second page the viewer seems to process the code again (like its runs the page init event) which takes several seconds so will not be satisfactory for the users. I tried the concatenate the pages using the 'SeparatePages' property but then the user can't select a specific page.
Is there any way that the report can just open in the viewer and not have to reload everytime the user changes page?
Thanks in advance
Dave.

Hi Dave
In a web app, you could place the reports in session. See KBA: 1985571 - How to use sessions in web applications using the Crystal Reports viewer (the complete code)
- Ludek
Senior Support Engineer AGS Product Support, Global Support Center Canada
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Crystal report -How to display multiple lines in line chart?

Hi,
M struggling to display multiple lines in line chart. All the values m fetching it from database into data table in below format & data type
Category(String).....year(Int).....graph_values(Int).....table_value(String)
Test.........................2006.......... -100............................(100)
Avg..........................2006..........20................................20
Median......................2006...........5................................5
Test..........................2007...........500.............................500
Avg...........................2007............90..............................90
Median.......................2007............45..............................45
M using cross tab to display data and chart to plot line. Following fields I used in Cross tab Expert & Chart expert
Cross tab expert-
Rows u2013 category
Columns u2013 year
Summarized fields u2013 Min of table_value
In Chart Expert u2013
On Change of - Year
Show values - graph values
In cross tab m able to see the data properly but not in graph.I have three categories. Hence it should plot three lines in line chart but m able to see only one line for test category.
FYI u2013 using VS 2008 and crystal report assembly version 10.5
Urgent. Please reply soon.
Thanks
ThakurS

I got the solution.
In Chart Expert - I should use
On Change of -- Year, Category
Show values -- graph values
Thanks,
ThakurS

Crystal Report Viewer Not Releasing Oracle Database Connections

I have a very simple vb.net 3.5 web application that uses the Crystal Report viewer 2008 to open a report. My requirements are as follows:
1. Reports are built by another company and provided to us and used in a web environment
2. All reports contain parameter fields
3. The web application must be generic enough that a report can be added to a list and the user simply selects the report and provides database login information. The Crystal report viewer with handle the request for parameter values and prompt the user for their values.
4. All reports connect to an Oracle 10g server.
The above requirements have been meet and we have an extremely simple web application that runs the reports. It is working very well other than the crystal report viewer is not releasing the database connections. This is bad because the credentials are on a per user basis and that same user must login to a different oracle application simultaneously. They are being denied access because the credentials are already in use. We do not have control nor influence over the policies in use on the Oracle server. Ideally we would like to control the Crystal Report viewer so that it closes connections after use.
The web application code is:
Private Sub viewReports_Init(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Init
If Not IsPostBack Then
ConfigureCrystalReport()
End If
End Sub
Private Sub ConfigureCrystalReport()
'Load the Crystal Report viewer with a report.
Try
Dim reportPath As String = Server.MapPath(Session("reportname"))
crViewer.ReportSource = reportPath
Catch ex As Exception
Response.Write(Server.MapPath(Session("reportname")) & "
" & ex.Message.ToString & "
" & ex.StackTrace.ToString)
End Try
End Sub
Can anyone shed some light on this topic? Thank you

Hello, Timothy;
By default, having the report in session will hold it open for 20 minutes.
If you create the report as a ReportDocument object you can take it out of session and release it more efficiently. That will release the connection.
    Private Sub ConfigureCrystalReports()
        If (Session("hierarchicalGroupingReport") Is Nothing) Then
            hierarchicalGroupingReport = New ReportDocument()
            hierarchicalGroupingReport.Load(Server.MapPath("Hierarchical Grouping.rpt"))
            Session("hierarchicalGroupingReport") = hierarchicalGroupingReport
        Else
            hierarchicalGroupingReport = CType(Session("hierarchicalGroupingReport"), ReportDocument)
        End If
        myCrystalReportViewer.ReportSource = hierarchicalGroupingReport
    End Sub
In the Form Unload of the Viewer:
            'Take the report out of session
            Session("hierarchicalGroupingReport") = Nothing
            Session.Contents.Remove("hierarchicalGroupingReport")
            'Clean up the ReportDocument object
            hierarchicalGroupingReport.Close
            hierarchicalGroupingReport.Dispose()
            hierarchicalGroupingReport = Nothing
            GC.Collect()
Elaine

Crystal Reports: How to change Oracle OLE DB server at runtime

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