RDLC hangs (Report is being generated)

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Dear Friends,

I am working on a win form application which uses RDLC report. I would like to show images from external sources I used Report Parameter and assigned the value of external sources to that parameter but while generating it keeps hanging.

Here is a piece of code:

C#

reportViewer1.ProcessingMode = ProcessingMode.Local;
reportViewer1.LocalReport.EnableExternalImages = true;
reportViewer1.ShowParameterPrompts = false;
reportViewer1.ShowPromptAreaButton = false;
ReportParameter rp = new ReportParameter("ImagePath", "/Image/a.jpg");
reportViewer1.LocalReport.SetParameters(new ReportParameter[] { rp });

I don't know what is wrong with the code and why it hangs? any idea please?

Posted 26-Feb-13 18:47pm

Abdul Rahman Hamidy

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2 solutions

Solution 1

Hi abdul,
try this

C#

path = "file:" + System.Configuration.ConfigurationManager.AppSettings  ["PranayLogo"] + "\\logo.jpg";
reportViewer1.LocalReport.EnableExternalImages = true;
ReportParameter[] RptParameters = new ReportParameter[1];
RptParameters[0] = new ReportParameter("ImgPath", path);
reportViewer1.LocalReport.SetParameters(RptParameters);
this.reportViewer1.Update();
this.reportViewer1.RefreshReport();

Posted 26-Feb-13 19:07pm

Bojjaiah

Updated 26-Feb-13 19:08pm

v2

Comments

Abdul Rahman Hamidy 27-Feb-13 1:23am

Thanks for reply, what are you storing in PranayLogo? I can simply use file:\\C:\\Image\a.jpg
instead. I found that if i even didn't pass the parameter it sill hangs? while it should tel me you didn't pass param. this is how i passed param value in report design (Value=Parameters!ImagePath.Value)

Bojjaiah 27-Feb-13 1:30am

PranayLogo=this is the FixedPath storing in app.config like(C:\Image).

in design parameter must match the ReportParameter. Ok
i.e., design parameter(this is design param)="ImgPath"(this is code behind) must be match.

Abdul Rahman Hamidy 27-Feb-13 1:36am

I already edited ImgPath to ImagePath. It only hangs with Image, I changed the param and i wanted to show text in a textbox it works, it only hangs with image.

Bojjaiah 27-Feb-13 1:42am

what is ther Design parameter?
post the parameter

Abdul Rahman Hamidy 27-Feb-13 1:55am

Thanks for the repoy. I solved it, I designed the same application in VS 2005 .Net 2.0 it worked perfect.

Before I designed that in VS 2008 .Net 3.5. I don't know why it doesn't work with .Net 3.5

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Abdul Rahman Hamidy · Accepted Answer · 2013-02-26T19:56:00

Here is the complete solution:

C#

this.reportViewer1.SetDisplayMode(Microsoft.Reporting.WinForms.DisplayMode.PrintLayout);
this.reportViewer1.ZoomPercent = 100;
this.reportViewer1.ZoomMode = Microsoft.Reporting.WinForms.ZoomMode.FullPage;

reportViewer1.LocalReport.EnableExternalImages = true;
ReportParameter[] RptParameters = new ReportParameter[1];
RptParameters[0] = new ReportParameter("Path", "file:///" + "c:\\GOVT.jpg");
reportViewer1.LocalReport.SetParameters(RptParameters);

reportViewer1.LocalReport.Refresh();

I just changed it to look like below

C#

reportViewer1.LocalReport.EnableExternalImages = true;
ReportParameter[] RptParameters = new ReportParameter[1];
RptParameters[0] = new ReportParameter("Path", "file:///" + "c:\\GOVT.jpg");
reportViewer1.LocalReport.SetParameters(RptParameters);

reportViewer1.LocalReport.Refresh();

this.reportViewer1.SetDisplayMode(Microsoft.Reporting.WinForms.DisplayMode.PrintLayout);
this.reportViewer1.ZoomPercent = 100;
this.reportViewer1.ZoomMode = Microsoft.Reporting.WinForms.ZoomMode.FullPage;

Now it works perfect!!!