Display image on rdlc report viewer

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Hi,

I've problem in displaying image on my rdlc (Microsoft Report Viewer) report. I took picture box on my report and made its properties as SOURCE=EXTERNAL, VALUE=Parameters!Path.value where Path is my Report Parameter.

Below is the code to display image on Report load event:

Dim paramList1 As New Generic.List(Of ReportParameter)
paramList1.Add(New ReportParameter("Path", "+ /images/CPC.jpg"))       Me.ReportViewer1.LocalReport.SetParameters(paramList1)

I'm facing problem on the second line of my code i.e. " + /images/CPC.jpg"

Plz help me, I'm stuck here.

Following is the error:

Conversion from string " /images/CPC.jpg" to type 'Double' is not valid.

Thanks

Posted 13-Aug-12 21:27pm

mirzamujib

Updated 15-Jan-21 15:27pm

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Manuele Camilletti · Answer 1 · 2012-09-21T04:16:00

VB

Dim arrPic as byte() = 'Load the image as array of byte'
'Convert byte() to BASE64
Dim sIMGBASE64 as String = Convert.ToBase64String(arrPic))
'Add the BASE64 stream to the parameters
paramList1.Add(New ReportParameter(<sparamname>, sIMGBASE64)

where
sParamName is a parameter of the Report

On the Report set the "Value" property of Picture Box like this:

VB

Value=System.Convert.FromBase64String(Parameters!<sparamname>.Value)

Cool Smith · Answer 2 · 2013-03-12T03:11:00

Solution 2

make sure you add

"File:///"

in front of the image path
and in the report parameter you created for Path, make sure it is of type string, and not double or integer

Posted 12-Mar-13 3:11am

Cool Smith

The Cool Cat · Answer 3 · 2021-01-15T15:27:00

Try this, I use this in External Images for RDLC.
Just initialize the image parameter like a normal string parameter, and set the Me.ReportViewer1.LocalReport.EnableExternalImages to TRUE

Dim ImgParam As New ReportParameter("ImgParam", "")

Dim path = _
System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().GetName().CodeBase)

ImgParam = New ReportParameter("ImgParam", path & "\myImg.png", True)
Dim parameters As ReportParameter() = {ImgParam}

ReportViewer1.Reset()
With Me.ReportViewer1.LocalReport
    .EnableExternalImages = True
    .SetParameters(parameters)
End With

Me.ReportViewer1.RefreshReport()

Nitin Bhanuvanshi P · Answer 4 · 2013-06-12T11:52:00

Solution 3

your code is in VB.net so use " & " instead of " + " .... may be that is the problem

Posted 12-Jun-13 11:52am

Nitin Bhanuvanshi P

Comments

CHill60 12-Jun-13 18:54pm

The question is nearly a year old ...and the + was inside quotes. Nice that you are trying to help but it would be better to help on more recent questions

Display image on rdlc report viewer

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