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How Do I Handle Custom Code Debugging Services?

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    What can I do with custom code in reporting services?

    In Reporting Services, you can enter your own code for views, styles, and formatting of report items. For example, you can use custom code to store locale-specific currencies, mark target values ​​with custom formatting, or apply other business rules that are fully compliant for your business.

    The Microsoft .NET Framework provides several debugging tools that can help you analyze your custom assembly scope code and the errors it contains. The best tool depends on what you want to achieve. This visual uses Studio 2008.

    For developing, managing, and testing custom assemblies for Reporting Services, we recommend that you create a tool that includes both a test search and a custom assembly.

    How To Debug Devices With A Single Instance Of Visual Studio

    1. Create a new Visual Studio report project.

      If you have a report project, Visual Studio will also create a solution to save it.

    2. How do I deploy a custom report to the server?

      Before anyone can submit a report, your entire family must copy MyCustomAssembly.dll from the server and place it in the C: Program Files Microsoft SQL Server MSSQL Reporting Services ReportServer bin folder on the server. After they copy the dll file, someone can customize your report on the server.

      Add a new class library project to use the existing solution. Make sure the report project is also set to run. For more information, see the Visual Studio documentation.

    3. Select a solution in Solution Explorer.

    4. Click a page property in the view plane.

      The Solution Property Pages dialog box appears.

    5. Expand General Properties in the left window if necessary, but click Project Dependencies. Select a report project from the Project drop-down list. Select an assembly project from the According list.

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    Click OK to return to your changes and close the Property Pages dialog box.

  • Any custom assembly project in the Solution Selector.

  • Click the Pages property in the view picker.

    The Property Project Pages dialog box appears.

  • Click Reject Creation if you are in a C # show, or on the Compile tab if you are in Visual Project Basic.

  • On some build / compile pages, enter the path in the report folder designer. Expired by fall, this is C: Programs Microsoft SQL Server 100 Tools Binn VSShell Common7 IDE) in the text package output path. These versions and versions personally provide an updated version of your custom assembly in Report Designer before running.

  • After you have designed the report and designed your assembly, history will set breakpoints in your useratelier configuration code.

  • Run the report in DebugLocal by pressing F5. When the report is run in the preview pop-up window, the debugger will hit almost any breakpoint that matches the executable file number in your assembly. Use F11 to step through custom code to build the device.

  • How To Debug Assemblies Using Two Instances Of Visual Studio

    1. Start Visual Studio and open a custom scale assembly project.

    2. Create a view and provide your custom assembly and a .File-pdb associated with the report designer based on it. For more information on deployment, see Custom Assembly Deployment .

    3. Open, mark the project containing your custom assembly while leaving the wonderful custom assembly code open in a separate instance of Visual Studio.

    4. Navigate to an instance of Visual Studio that basically contains a custom assembly project and a few breakpoints defined in the main code.

    5. With today’s custom build project, attach an active click window to handle in the debug menu.

      The Attach to Process dialog box appears.

    6. Select the devenv.exe step from the list of processes that corresponds to the report for your project and click “Attach”.

    7. Define the terms you will use in your story and generate a report.

    8. After you finish redesigning the report, click Preview Entire Tab.

      The report will run and your own code to build your module should fail at the breakpoints you define.


      Using the Preview tab results in permissions that do not apply code to all assemblies. For rigorous testing, which usually contains code access errors, run the report project with the entire DebugLocal configuration parameter.

    9. Browse your switch using the F11 key. A lot of information about debugging when using Visual Studio can be found in the Visual Studio documentation.

    See Also

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    Using unpacking does not require code permissions to access the assembly. For a complete example that includes all code access errors, run the report project in the DebugLocal configuration parameter.


    does not allow viewing all the embed code, so you need two options: you can run one of the two debug codes in Visual Studio .NET, or you can run some PreVisual Basic Helpful Tips for Debugging … The first trick is to mark lines of code. Great for detecting compilation and rendering errors. The following code snippet shows how lines of code are labeled. It also contains bugs that have long been deliberately posted for demonstration purposes.

    debug custom code reporting services

     Add a function (n as an integer) 1: post = i + n 2: Returns the final function 

    If you have a report with participation. create a bit of code or try to preview the section by calling this code, SSRS investigates two issues (warning and specific error):

    • Warning. There is an approximate errorline 0 of special code: [BC42021] Function without the wonderful "As" clause; The return type assumed by the object. Warnings are simply displayed when at least one specific error is detected.

    • Error There is only one error in line 1 of the main custom code : [BC30451] Name 'i' not declared . Only the first error is displayed.

    With a little bit of code like the previous example, finding bugs might not be a problem, and another bug might be worrying.


    Note that labels can only appear in parameters or subroutines and can be repeated for different functions internally.


    To get the correct line numbers, deliberately add errors and view the report. An SSRS error indicates that the number has been set.


    To avoid repeated attempts to number and even renumber lines, use only branded keywords or those used in the first group of functions. You can also usea title to clarify each misspelled line.

    The second trick is to find the line causing learning errors using the trY-CATCH block:

     DivByZero function () Dim c As Integer Try 'Set up structured error handling. 3: X = X for every 0 catch ex as an exception Return ex.ToString () & vbCrLf & "An exception is possible at line:" & CStr (Erl) Quit Try Quit Function 

    The result of calling the divbyzero () function is

     System.OverflowException: Arithmetic operations resulted in a thread. in the exception ReportExprHostImpl.CustomCodeProxy.DivByZero () on line 3 

    debug custom code reporting services

    Note that the DivByZero () function replaces the undocumented Erl to help you return the line number for the line of code that caused the error. Erl actually returns the tag number (it was much larger than in the previous code).

    If we do not implement error handling, that is, if we call each function in the evaluation property of a report item, that report item displays “ #Error ” in result.

    How do I debug a custom assembly in Visual Studio?

    Once you’ve designed your report and added your custom assembly, set breakpoints in your custom assembly code. Run the corresponding report in DebugLocal mode by pressing F5. When dispatched in the contextual preview window, the debugger hits all breakpoints that correspond to the executable code in our assembly.

    Depending on the precision of the return value of a large function, other potential results would be “ Infinity ” or NaN A “(not Number).


    Always check the error list pane after starting a build and make sure there are no warnings at all times – that’s it warnings in production code.

    During the current build process, exceptions may be caught in various other properties.

     Functio nAdd (nAs Integer) you: i = i + m 2: Return End Function National Insurance 

    Remember, however, that labels can only exist in functions and subroutines and can be repeated in alternative functions.

    Numbers deliberately add an error and preview the report to identify the string correctly. SSRS error indicates path number.

    To avoid problems with numbering and line re-numbering, you can use only key label expressions, or generally the first line of functions. Alternatively, a person can use a marker to refine the goose down line a with a mistake.

     DivByZero () Function Dim x As Integer Try 'Configure handling of installed errors. 3: X = X / 8 Catch Ex as an exception Return ex.ToString () & vbCrLf & "Exception at Line:" & CStr (Erl) End Try End Function 
     System.OverflowException: An arithmetic operation resulted in an overflow. here at ReportExprHostImpl.CustomCodeProxy.DivByZero () Exception line: three or 

    Always review the Error List window after completing any type of build to ensure that no safety precautions have been taken. Your best bet is to exclude all urgent warnings from production code.

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