SAP Knowledge Base Article - Public

2317941 - Crystal Reports Viewer renders blank report when viewed using CR .NET SDK application.

Symptom

  • Crystal Reports viewed in the Crystal Reports Viewer using CR .NET SDK application.
  • Parameters based on Stored Procedures.
  • After entering the parameter values, they are not passed on to the stored procedure to create a dataset and cannot return data to the viewer.
  • When navigating through pages the data is rendered into the CR Viewer successfully.

Environment

SAP Crystal Reports, developer version for Microsoft Visual Studio

Cause

When parameters are provided manually through the parameter prompt which are based on Stored Procedures, the value associated with it is not able to capture data from Database and renders the CR viewer blank.

Resolution

  1. Enable the EventHandler for the CrystalReportViewer Navigate Event (The EventHandler procedure has no code within it).  
    Protected Sub CrystalReportViewer1_Navigate(source As Object, e As CrystalDecisions.Web.NavigateEventArgs) Handles CrystalReportViewer1.Navigate
    End Sub
  2. Place the CrystalReportsViewer code in the Page_Init() event.

Keywords

CRVIEWER, SDK, .NET SDK, CR viewer blank, blank viewer, Crystal Reports, .NET framework, VS 2015. , KBA , BI-DEV-NET , BI Software Development Kits (SDKs) - .NET or Other , Problem

Product

SAP Crystal Reports, developer version for Microsoft Visual Studio