Asp Net File Save As
Working with Images in an ASP.NET Web Pages. Save the file and run the page. Working with Files in an ASP.NET Web Pages Site. Introduction to ASP.NET Web Pages.
Files can be easily saved in the SQL Server Database Saving it in database makes it easily manageable. Here I will explain how to save and retrieve files from database.
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SaveAs Method (String). (ASP.NET Settings. The following code example demonstrates how to save all the files that are uploaded by the client. I've been searching around the internet, but couldn't find any useful answer. I have an ASP.NET web site, which is deployed on server. The ASP.NET web site on the.
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Database Design Here I have created a Database called dbFiles and it has a table called tblFiles. It has 4 Fields. The complete description is available in the Figure below As you can see above for the id field I have set Identity Specification true, so that it automatically increments itself. Field Relevance id Identification Number Name File Name Content Type Content Type for the file Data File stored as Binary Data Content Type Depending on the type of the file below are the content types File Type Content Type Word Document application/vnd.ms-word Excel Document application/vnd.ms-excel JPEG Image image/jpeg Portable Document Format application/pdf In the source code attached I have added the database files.
You will need to attach it to your SQL Server. Connection String Below is the connection string to the database. You can modify it to suit yours. ' Read the file and convert it to Byte Array Dim filePath As String = Server.MapPath( 'APPDATA/Testxls.xlsx') Dim filename As String = Path.GetFileName(filePath) Dim fs As FileStream = New FileStream(filePath, FileMode.Open, FileAccess.Read) Dim br As BinaryReader = New BinaryReader(fs) Dim bytes As Byte = br.ReadBytes(Convert.ToInt32(fs.Length)) br.Close fs.Close Saving the File to Database Once the File is converted into Byte Array it will be inserted into the database.
The File Name, File Content Type and the Binary data which resembles the file are stored in the database. The figure below shows the data being stored in the table. 'insert the file into database Dim strQuery As String = 'insert into tblFiles(Name, ContentType, Data) values (@Name, @ContentType, @Data)' Dim cmd As SqlCommand = New SqlCommand(strQuery) cmd.Parameters.Add( '@Name', SqlDbType.VarChar).Value = filename cmd.Parameters.Add( '@ContentType', SqlDbType.VarChar).Value = 'application/vnd.ms-excel' cmd.Parameters.Add( '@Data', SqlDbType.Binary).Value = bytes InsertUpdateData(cmd) And the function InsertUpdateData accepts the SqlCommand object, executes the query and inserts the data into the database.