Download multiple files from sql database in one clicj






















Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Asked 6 years, 3 months ago. Active 6 years, 3 months ago. Viewed 2k times. Parse sender as LinkButton. AddWithValue " Id", id ; cmd. Clear ; Response. SetCacheability HttpCacheability. NoCache ; Response. So, let's get started to create this scenario using the following procedure: Create ASP. NET" wizard. Step 4: Write the following query and click on Update to execute the query.

Next Recommended Reading. Windows 10 Vs Windows Visual Studio Vs Visual Studio Getting Started With. FileName ;. ReadBytes Int32 fs. Length ;. ConnectionStrings[ "constr" ]. AddWithValue " Name" , filename ;. AddWithValue " Data" , bytes ;. Open ;.

ExecuteNonQuery ;. Close ;. Redirect Request. AbsoluteUri ;. Using br As New BinaryReader fs. ReadBytes DirectCast fs. Length, Long. ConnectionStrings "constr". Using con As New SqlConnection constr. Using cmd As New SqlCommand query. Add " Name" , SqlDbType. Add " Data" , SqlDbType. These methods are implemented using plain ADO. They will be used by the application to list, upload, and download files.

When you retrieve the list of all the files, please make sure that you do not select the binary file data, which will significantly slow down your application. The main user interface of the example application is implemented in the " Default.

When the list of files is displayed in the Default. The hyperlink points to the GetFile. The GetFile. The trick that the GetFile. The file data is then retrieved from the database using the GetAFile method in the FileUtilities class. The file data is sent to the browser by Response.



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