Saving-uploaded-Files-to-a-Database


            <%@ Page Language="C#" %>
<%@ Import Namespace="System.IO" %>
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

    protected void btnAdd_Click(object sender, EventArgs e)
    {
        if (upFile.HasFile)
        {
            srcFiles.Insert();
        }
    }


FileUpload Database

    
    
            id="lblFile"
        Text="Word Document:"
        AssociatedControlID="upFile"
        Runat="server" />
            id="upFile"
        Runat="server" />
            id="btnAdd"
        Text="Add Document"
        OnClick="btnAdd_Click"
        Runat="server" />
    
            id="rptFiles"
        DataSourceID="srcFiles"
        Runat="server">
        
        
        
        
        
                    id="lnkFile"
            Text='<%#Eval("FileName")%>'
            NavigateUrl='<%#Eval("Id", "~/FileHandler.ashx?id={0}")%>'
            Runat="server" />        

        
        
        
        
    
            id="srcFiles"
        ConnectionString="Server=.\SQLExpress;Integrated Security=True;
            AttachDbFileName=|DataDirectory|FilesDB.mdf;User Instance=True"
        SelectCommand="SELECT Id,FileName FROM Files"
        InsertCommand="INSERT Files (FileName,FileBytes) VALUES (@FileName,@FileBytes)"
        Runat="server">
        
            
            
        
    
    

    


Table Structure
Column Name       Data Type
Id               Int (IDENTITY)
FileName       NVarchar(50)
FileBytes       Varbinary(max)
File: FileHandler.ashx
<%@ WebHandler Language="C#" Class="FileHandler" %>
using System;
using System.Web;
using System.Data;
using System.Data.SqlClient;
public class FileHandler : IHttpHandler {
    const string conString = @"Server=.\SQLExpress;Integrated Security=True;
        AttachDbFileName=|DataDirectory|FilesDB.mdf;User Instance=True";
    public void ProcessRequest (HttpContext context) {
        SqlConnection con = new SqlConnection(conString);
        SqlCommand cmd =  new SqlCommand("SELECT FileBytes FROM Files WHERE Id=@Id", con);
        cmd.Parameters.AddWithValue("@Id", context.Request["Id"]);
        using (con)
        {
            con.Open();
            byte[] file = (byte[])cmd.ExecuteScalar();
            context.Response.BinaryWrite(file);
        }
    }
    public bool IsReusable {
        get {
            return false;
        }
    }
}
File Directory ASP.Net Tutorial
