Crystal Reports :: Converting ReportDocument Object Into Byte Array
Aug 16, 2010Is it possible to convert the Report Document object as a byte array and store it in SQL , later retrieve and assing it to a report ?
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Converting Byte Array To String?
Apr 16, 2010I am trying to upload a file to the database using the File Upload control. The database column is of type "text"
In the Insert command, I tried to retrieve the file and pass, but as it is a byte array, I am not able to save the data.
[Code]....
How to convert the byte array to string?
ADO.NET :: Converting A Binary File To Byte Array?
Oct 29, 2010I'm retrieving a binary file from the database, a .pdf file that I would like to let the user open and view. From what I can tell, there are two steps to do this:
1. Convert binary file to byte array
2. Convert byte array to file content
Here's what I've got so far:
[Code]....
This isn't working and I'm having a heck of a time trying to find a solution. I'm getting a blue squiggly under c1.docData in the Dim bArray line.
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May 8, 2010I am develping an application that integrates with an RFID kit. The problem is, the kit comes with an .cs class that accepts data stored in a byte array however, each information stored in the array respresents an int. I wanted to store String information in each array but, my research suggest that a String itself can be converted to a byte array and not a byte....here the code from the .cs class:
byte BlockNo = 0;
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[code]....
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Crystal Reports :: Converting Doc To PDF In Web Application
Feb 12, 2011Trying to preview a crystal report in pdf format in web application by passing parameter but showing error message:
crReportDocument.Export()
missing parameter value
<CODE>
Dim crExportOptions As ExportOptions
Dim crDiskFileDestinationOptions As DiskFileDestinationOptions
Dim Fname As String
crReportDocument.Load(Session("rptFileName"))
CrystalReportViewer1.ReportSource = crReportDocument
CrystalReportViewer1.RefreshReport()
CrystalReportViewer1.ParameterFieldInfo.Clear()
Fname = "C:TempTemp.pdf"
crDiskFileDestinationOptions = New DiskFileDestinationOptions()
crDiskFileDestinationOptions.DiskFileName = Fname
crExportOptions = crReportDocument.ExportOptions
With crExportOptions
.DestinationOptions = crDiskFileDestinationOptions
.ExportDestinationType = ExportDestinationType.DiskFile
.ExportFormatType = ExportFormatType.PortableDocFormat
End With
If Session("rptType") = "PrintOption0" Then ' Without Parameter
' no need to do anything
ElseIf Session("rptType") = "PrintOption1" Then ' One Parameter
paramField.Name = "@UserID"
paramDiscreteValue1.Value = Session("rptParameter1")
paramField.CurrentValues.Add(paramDiscreteValue1)
paramFields.Add(paramField)
CrystalReportViewer1.ParameterFieldInfo = paramFields
End If
crReportDocument.Export()
Response.ClearContent()
Response.ClearHeaders()
Response.ContentType = "application/pdf"
Response.WriteFile(Fname)
Response.Flush()
Response.Close()
' delete the exported file from disk
System.IO.File.Delete(Fname)
</CODE>
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Nov 10, 2010using vs.net 2005, sql server 2005, creating windows form appI have a dataset that I bound to a crystal report as follows:
[Code]....
and in the Crystal Report in design view I added a Text Object called "myTxtObj".I am assuming that I can do something like this
[Code]....
However I'm not seeing the "myTextObj" with intellisense in the code behind in the form.so my question is: after binding a dataset to a report how to you bind column values to text objects on your crystal report?and actually one mor thing:I just ran the project and found out when I try to do the databind that i'm getting an error:"The report has no tables"how to solve this too?
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[Code]....
Following is the ApplyCRLogin Class
[Code]....
Now when I run the site it prompts me for the parameters and when I enter them and click on OK, I get the following error. "Object reference not set to an instance of an object." But the strange thing is if I comment the "If Not IsPostBack Then" condition, my report works fine. The problem is even when I want to go to the next page in report, the code get executed again and this takes time. Is there any other way to fix this?
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The data in the report looks o.k., it's just rendering a broken image when I test the report, with an address like this:
http://localhost:52491/CrystalImageHandler.aspx?dynamicimage=cr_tmp_image_bd87400a-878c-49de-979e-5ab0d4db8c80.png
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Aug 5, 2010The problem is in the crv.js, at
Sys.Application.notifyScriptLoaded();
when I try to open a report is shows Microsoft JScript runtime error: 'Sys.Application' is null or not an object
If I click Ignore or Continue, it's show the report properly, but when I deploy it to the development server it does not work.
At this time I am trying to open a simple report with the date and page number.
there is a CrystalReportViewer at the Default.aspx page.
the code is
[Code]....
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when i send this record to client thru webservice , this photo is converted as byte[].
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Convert Byte Array Into String?
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View 3 RepliesReading InputStream Into Byte Array
May 21, 2010[Code]....
My fu.PostedFile shows data in it. Each index of the array has different value in it. But arrFileByte shows all the index have 0 as their value. I've used this very code to upload files in the database before. What might be the resaon it is not working now.
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Aug 19, 2010I need to take a byte array and save as pdf. How can I do that?
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Dec 16, 2010I have a byte array of an image on the server side.
I have an img tag on my View page.
I'm wondering how to be able to use the byte array as the image source of the img tag.
I'm retrieving the byte array in my model, passing it back to my controller method and then I'd like to store it in ViewData somehow.
Then in the $(document).ready jQuery function of the View page somehow set that byte array as the source for my IMG tag.
Is this possible?
C# - Convert Byte Array Into Datatable
May 21, 2010In my aspx page I have a HTML inputfile type which allows user to browse for a spreadsheet.Once the user choses the file to upload I want to read the content of the spreadsheet and store the content into mysql database table. I am using the following code to read the content of the uploaded file and convert it into a datatable in order into insert it into database table.
if (filMyFile.PostedFile != null)
{
// Get a reference to PostedFile object
HttpPostedFile myFile = filMyFile.PostedFile;
// Get size of uploaded file
int nFileLen = myFile.ContentLength;
// make sure the size of the file is > 0
if (nFileLen > 0)
{
// Allocate a buffer for reading of the file
byte[] myData = new byte[nFileLen];
// Read uploaded file from the Stream
myFile.InputStream.Read(myData, 0, nFileLen);...................................