Architecture :: Store The Image Into Sql Server As A Byte Array?

Mar 21, 2011

Is it better to store the image into sql server as a byte array or store the image's location to sql server and the image to the server?

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I 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;
byte[] BlockData = new byte[16];
byte ReturnCode = 0;

[code]....
Each t_b*.text respresents an int. Is there a way I can stored a String in a single byte block?

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How To Pass Image From Byte Array Control

Jul 30, 2010

Is there a control that you can use? It can be done by fetching a binaryread from an aspx page but why there isn't a simple free image control that you can put in the page and feed it a byte array?

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Web Forms :: Insert Byte Array Image From Session Variable To Database?

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if (Session["image"] != null)
{
ImageButton1.ImageUrl = "~/IMAGE/pic.jpg?" + DateTime.Now.Ticks.ToString();
}

The session key image is from another aspx page

{
string strPhoto = Request.Form["imageData"]; //Get the image from flash file
byte[] photo = Convert.FromBase64String(strPhoto);
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[Code]....

The issue isĀ 

Operand type clash: nvarchar is incompatible with image.

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Controls :: ITextSharp - How To Add Binary Image (Byte Array Or Base64 String) To PDF Document Using C#

May 7, 2015

[URL]

i am failing to get the Base64 string and show it as an image in the output pdf file.

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I want to know which is the best place to store an image i.e

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(I am developing a database of people so each record can have only one picture)

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Which is the better alternative when allowing file uploads on a page (through a Gridview populated by a coded DataSet)? Store the image itself in the database or to store only the path name to the saved file in file system. If it matters, I do not expect to have more than a few dozen images stored in the database at any given time.

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SQL Server :: Bind Image With Byte?

Oct 11, 2010

i save picture as image in sql database for user profile

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DataSource Controls :: "Fail To Convert Byte To Byte[]" When Storing Image To Database

Apr 3, 2010

Not sure if this is the correct section to ask this but this is regarding storing datatype problem.im trying to convert an image file retrieve from a folder and convert it to Byte so that i can save into database

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[Code]....

Then i set ImageUrl in PageLoad
[Code]....

My image datatype in database is image

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Feb 17, 2010

i need the to convert the byte array in to string. The byte array is a two dimentional array. Is it possible to convert?

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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, 2010

I need to take a byte array and save as pdf. How can I do that?

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I 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?

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MVC - Use Byte Array As Source Of IMG Tag Through ViewData?

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I have a byte array of an image on the server side.

I have an img tag on my View page.

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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?

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C# - Convert Byte Array Into Datatable

May 21, 2010

In 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)
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myFile.InputStream.Read(myData, 0, nFileLen);...................................

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Add Byte Array Column To Datatable?

Nov 12, 2010

using vb.net 2005.

I'm trying to a byte array column to a table but getting an exception:

<error>

datatype argument cannot be null

</error>

The code I have is:

[Code]....

Does anyone know the correct syntax for this?

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Web Forms :: Convert DataSet To Byte Array?

Aug 19, 2010

How can I convert DataSet to byte array

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I have datatable with records and i have existng Excel file in my application temp folder i want to export datatable records in this excel file workbook and i want to convert this excel workbook into byte array and i want to send this byte array in reponse.write to user to give download excel file option

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I have a richtextbox and i wrote it this text and add pictures like below.[img] symbolize images.

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askdiaksidsasidla,isdlasdliasldassldi
alsdksalsdksalskdsalskdsalsdlasdkalsskdsa

[Img]
askdiaksid sasidla,isdlasdliasldassldi
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ADO.NET :: Converting A Binary File To Byte Array?

Oct 29, 2010

I'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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SQL Reporting :: Unhandled Exception Populating Byte Array

Dec 6, 2010

This is actually a problem with a local report (RDLC) as opposed to an SQL report but this seemed to be the closest forum. I'm simply trying to have my page programatically open my report in PDF format. Ideally the preview wouldn't have to load at all but the way of doing it in pure code without loading a page with a ReportViewer control seems complicated to me, especially as the report has several subforms, all with different datasources (from an SQL server database).

So I'll settle for a page with a ReportViewer control which automatically opens the report in PDF when the page loads. I can't believe how much code is required for this! There are lots of tutorials on the Internet for this and I've tried several but without success. It seems to always fail at the same line, when adding values to the byte array.

[Code]....

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My web page contains a file upload control that is used to select excel file. What my code does; is to read the content of that file and store its content to DB. Right now, I save this file to server and read its content using OLEDB.I want to know is there any way i can read the content without saving it on the server?

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Convert Datatable To Byte Array To Send As Email Attachment

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Every morning we send out an email with a text file attached. This is a manual process so I am automating it.I am using an internal mail web service. Its last two parameters are a byte array which is the file contents and a string which is the file name. I passed (...gbytes, "test.txt") and the only thing wrong with it is text.txt is XML. I want it to be text (csv is fine because there is actually four columns that come from a datatable).So I am assuming what's making it XML is this code:

Code:
System.IO.MemoryStream stream = new System.IO.MemoryStream();
System.Runtime.Serialization.IFormatter formatter = new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter();
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I am trying to search the Internet for how to convert a datatable to a byte array, but I can't find how to have it be text instead of XML. Also, another parameter our WS takes is a flag to say if it's XML, and I am setting this to false.

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