Error: Parameter x value missing a value

Hi frens,

 I am new to SSRS 2005. I am getting an annoying error Parameter x value missing a value. while generating in the browser. the same report works fine in SSRS report manager.

Error Sit: 

i have a web application where user selects 4 categories like plants,crops,products,regions(these categories are filled in list boxes).After selecting them, I am passing the list items in a list collection,storing in a session and passing it to report viewer page which opens in a new window.thing is when I select only one item under region category the report works fine,but if i select multiple values for region,it says the parameter 'sales_region'(report parameter) is missing a value.why does such error arise!funy thing is though I debug the reportvieer page i was not shown any exception,the error displays when it was about to show the report!!


5/23/2008 2:08:34 PM 4514 articles. 1 followers. Follow

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 you are forgetting the parmeter to get passed to ReportViewer

ReportParameter cityParameter = new ReportParameter("City", DropDownList1.SelectedValue);

this.ReportViewer1.LocalReport.SetParameters(new ReportParameter[] { cityParameter });

You can sarch the articles on google. or how to pass parameter to reportViewer


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I n t e r v i e w T i p s
5/23/2008 3:03:25 PM

hi fren,

Actually i am sending parameters.the same code works wit other reports.As I said if i pass one tem it works,but multiple items it says missing.this is happening for one particular paramater only!! i dont get any exception tis is rather unfortunate!!

 parm[0] = new ReportParameter("crops", SelectedCropsList, false);

ReportViewer1.ProcessingMode = Microsoft.Reporting.WebForms.ProcessingMode.Remote;
            ReportViewer1.ServerReport.ReportServerUrl = new System.Uri(reportServerPath);
            ReportViewer1.ServerReport.ReportPath = "/" + reportsFolder + "/" + reportName;

5/26/2008 4:28:55 AM

 Hi all,

i dont know whether this is a prob with VS 2005 or not. When I actually copied the similar code written for parameters and modified it failed to work.As a final try, I just deleted the pasted code and wrote it again, it worked!hope this issue could be considered for reference by microsoft guys!

5/26/2008 6:19:44 AM

you can setup you parameters on report menu .

Missing a value might be you choose the wrong dataset or that parameter is missing a value

Just double check everything carefully

5/27/2008 3:19:40 AM

 Thanks a lot! I was also experiencing the same problem and I put this code and it's working now.


 rptViewer.ProcessingMode = ProcessingMode.Remote;

9/26/2008 2:51:57 AM

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