Question

SubReportProcessing Event will not fire

Asked by: rock815

This is an ASP.NET Web App

In the code below, it will not fire the SubReportProcessing Event.  I've stepped through and it hits the line of code, but does not fire the event....

it steps right through this line:
this.ReportViewer1.LocalReport.SubreportProcessing += new SubreportProcessingEventHandler(LocalReport_SubreportProcessing);

Any suggestions?   I've been troubleshooting this for days :'(

Thanks

private string contactid;
 
        protected void Page_Load(object sender, EventArgs e)
        {
            contactid = Request.QueryString["ContactId"].ToString();
            this.ReportViewer1.LocalReport.SubreportProcessing += new SubreportProcessingEventHandler(LocalReport_SubreportProcessing);
            
        }
 
void LocalReport_SubreportProcessing(object sender, SubreportProcessingEventArgs e)
        {
            if (ObjectDataSource3.SelectParameters.Count > 0)
            {
                ObjectDataSource3.SelectParameters.RemoveAt(0);
            }
            if (ObjectDataSource3.SelectParameters.Count > 1)
            {
                ObjectDataSource3.SelectParameters.RemoveAt(1);
            }
 
 
            ObjectDataSource3.SelectParameters.Add(new Parameter("ContactId", TypeCode.String, contactid));
            ObjectDataSource3.SelectParameters.Add(new Parameter("GroupFilter", TypeCode.String, e.Parameters[0].Values[0]));
            e.DataSources.Add(new ReportDataSource("dsReferrals_tblReferrers", this.ObjectDataSource3));
        
        }

                                  
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Asked On
2009-03-18 at 06:35:16ID24241451
Tags

Microsoft Reporting Services

,

ASP.NET C#

Topics

MS SQL Reporting

,

C# Programming Language

,

Programming for ASP.NET

Participating Experts
1
Points
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Comments
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Answers

 

by: aprestoPosted on 2009-03-18 at 06:39:39ID: 23918510

If im not mistaken, Stepping through wont fire it, the line in your constructor is only telling the Event which method it should correspond to, im guessing the reporting process needs to be triggered, what fires this? Im not familiar with this control, hence the question

 

by: rock815Posted on 2009-03-18 at 06:43:54ID: 23918543

Well, usually when you step through, it'll take you to the method.  In this case, it's not.  The parent report runs just fine, but when it tries to load the subreport I get the "ERROR: Subreport could not be shown" error where the subreport data is supposed to be.  And, it doesn't trigger the SubReportProcessing code like it should.  

 

by: rock815Posted on 2009-03-18 at 08:20:44ID: 23919708

I actually found the problem.  In the main report I forgot to specify the parameters to pass to the subreport.  It wasn't "telling" me that by an error message or anything, but wasn't going to the SubReportProcessing method either...  Once I added the parameters to pass to the subreport, it worked.

Thanks for trying though

20120131-EE-VQP-002

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