Uploading And Downloading PDF Files From Database Using ASP.NET C#

How can you change this to open the PDF file from the database into a preview panel?

Your code helped me a lot, thanks you

In the sql server table the id must be autoincremental and the connection string must be configured

Good work, brother ,your code helped me a lot,

Great Work.

Not working ..code ..

Will this code work on asp.net core web app

Wonderful, it is very good article and useful for all.

When I upload pdf first time after then i refresh page multiple time then the record inserted in database to store multiple time.

Hi can you send sln file, please - [email protected]

Nice article sir

Error no envia los datos a phpMysql , como puedo solucionar el error.

Killler job bro, btw id is an autoincrement field. if u can help me with one more that how to add a read more and hide less in gridview if the data is fetched from database

Hi, i am trying for same code in window application c#, please forward me, i am just a beginner

How did id got the value 3/

How did "id" got its value?

Hello Vithal, where is the connection() defination

Nice one..........................

Hi, Vithal im looking an app that doing something like this, but this app can edit/fill up the pdf file and upload it to another data base as a completed and signed document?

HI thanks for this web app but this is't for Excel files it's for PDF files

Nice...

Instead of download the PDF to your local machine, is there a way to get the PDF that you selected to pop up on the same screen?

mohan g sir solution was developed in 2010 version might be you are using latest version

if i download this zip file and try to open in visual studio it says unable to download all solutions

its depend on browser

prompt box alert didnt work for me sir

yes refer my other articles

how can i view the uploaded files in grid view instead of downloading

use join

i have two tables so i want column from both tables to retrieve in gridview. can you help

how can i delete a uploaded file from gridview ? is it possible?Can you please send some link

check your database table column datatype,it must be a varbinary not varchar

I'm getting this error every time I press upload a file, "Error: Implicit conversion from data type varchar to varbinary is not allowed. Use the CONVERT function to run this query."

write this logic in web service and add web service reference to web or other application

how to do this using webservices in asp.net

thanks DJ sir

you rock

i just want the code for update and delete for uploading and deleting the file uploaded in database

could u send me the link to the article because I cant find it sir

yes sure refer my article list,you will find all solution

sir could u help me the update and delete function on the same grid

please check sql connection

sir when i was trying to upload the file each time the page said "Object reference not set to an instance of an object. " How to fix this and what does this mean,i am new to asp.net,please help

Se?or muchas gracias por este tutorial a mi funciona perfectamenete solo me gustaria saber si le puede agrgar un button para eliminar el archivo

sir can u tell me the solution as early as possible

sir this code works when uploading the file....but does not work when download the file from grid view....only selected row color change...no such dialogbox open like above to download file...plz sir help me

thanks Lazola sir for reading article ,please download attached zip file in which you will get whole code,as I know i have not defined any file upload restriction

Also, if possible, how could i increase the upload size. As I see, the code only uploads pdf's less than 1mb. I want to add files greater than 1mb

Hello, the code works just fine. But I cant seem to download the staff. Also, I cant see where you coded the part so that I can try fix it. Please help me in this regard, I am a graduate programmer..still new to this. Thanks in Advance

Lazola sir,can you post the your sample code that you are using

Hello, I am interested in your code snippet as I am doing a similar project. I get an error that states that I did not set the object reference. How could I resolve this?

thanks a lot rizwan ahmed sir

Thanks alot :) this code is too help full for me :)

dave sir,you have declared two connection string in web.config file,please check it

I cannot seem to get this to work properly I keep getting the below error c--- s0103: the name 'connection' does not exist in the current context. Any idea what I may be doing wrong?

hello there,

your connection string in web.config is wrong first make it perfect

Unable to upload - hits error: Error: A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server) In Connection, constr = "Data Source=datasourcename;Initial Catalog=databasename;User ID=username;Password=sqlpassword" Should this not have values instead?

your totorial help me but where column name and type for input value

thanx and can you give me code for upload and download pdfs which is of large size for example pdf length is 20mb in c# and asp.net using database.please provide me result as early as possible

thanx prachi

Thank you so much really helpful tutorial. :)