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How to store and Retrieve pdf files in sqlserver 2008 using asp .net

Table

CREATE TABLE [dbo].[PDFUPLOAD](
    [ID] [int] IDENTITY(1,1) NOT NULL,
    [PDFNAME] [varchar](50) NULL,
    [PDFCONTENT] [varbinary](max) NULL
) ON [PRIMARY]
 
Follow the Code Which is Help How to Store /Retrieve pdf files in DataBase :

 Write This code  in Default.aspx page:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
    <title></title>
</head>
<body>
   <form id="form2" runat="server">
    <div>
        <table cellpadding="0" cellspacing="0" align="center" width="600">
            <tr>
                <td height="30" colspan="2">
                    <asp:Label ID="Label1" runat="server" Text=""></asp:Label>
                </td>
            </tr>
          
            <tr>
                <td height="30">
                    Select Your PDF File
                </td>
                <td>
                    <asp:FileUpload ID="FileUpload1" runat="server" />
                </td>
            </tr>
            <tr>
                <td height="30" colspan="2" align="center">
                    <asp:Button ID="Button1" runat="server" Text="Upload" onclick="Button1_Click" />
                </td>
            </tr>
            <tr>
                <td height="30" colspan="2" align="center">
                    <asp:GridView ID="GridView1" runat="server" DataKeyNames="ID"
                        AutoGenerateColumns="false"
                        onselectedindexchanged="GridView1_SelectedIndexChanged">
                        <Columns>
                            <asp:TemplateField HeaderText="ID">
                                <ItemTemplate>
                                    <%#Eval("ID")%>
                                </ItemTemplate>
                            </asp:TemplateField>
                            <asp:TemplateField HeaderText="PDF File Name">
                                <ItemTemplate>
                                    <asp:HyperLink Target="_blank" ID="HyperLink1" runat="server" NavigateUrl=' <%# "~/Default2.aspx?ID=" + Eval("ID", "{0:d}")%> '><%#Eval("PDFNAME")%></asp:HyperLink>                                  
                                </ItemTemplate>
                            </asp:TemplateField>
                        </Columns>
                    </asp:GridView>
                </td>
            </tr>
        </table>
    </div>
    </form>
</body>
</html>

Write This code  in Default.aspx.cs page

using System;

using System.Configuration;

using System.Data;

using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data.SqlClient;
using System.IO;
public partial class _Default : System.Web.UI.Page
{
    SqlConnection sqlcon = new SqlConnection(ConfigurationManager.ConnectionStrings["Con"].ConnectionString);
    SqlCommand sqlcmd = new SqlCommand();
    SqlDataAdapter da = new SqlDataAdapter();
    DataTable dt = new DataTable();
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            LoadGrid();
        }
        Label1.Text = "";
    }
    void LoadGrid()
    {
        sqlcon.Open();
        sqlcmd = new SqlCommand("select * from PDFUPLOAD",sqlcon);
        da = new SqlDataAdapter(sqlcmd);
        da.Fill(dt);
        if (dt.Rows.Count > 0)
        {
            GridView1.DataSource = dt;
            GridView1.DataBind();
        }
        sqlcon.Close();
    }
    protected void GridView1_SelectedIndexChanged(object sender, EventArgs e)
    {
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        //PDF Upload Code to SQL SERVER database table
        if (FileUpload1.HasFile)
        {
            Stream fs = default(Stream);
            fs = FileUpload1.PostedFile.InputStream;
            BinaryReader br1 = new BinaryReader(fs);
            byte[] pdfbytes = br1.ReadBytes(FileUpload1.PostedFile.ContentLength);
            sqlcon.Open();
            SqlCommand sqlcmd = new SqlCommand("insert into PDFUPLOAD(PDFNAME,PDFCONTENT) values (@pdfname,@pdf)", sqlcon);
            sqlcmd.Parameters.Add("@pdfname", FileUpload1.FileName);
            sqlcmd.Parameters.Add("@pdf", pdfbytes);
            sqlcmd.ExecuteNonQuery();
            sqlcon.Close();
            Label1.Text = "Successfully pdf upload to SQL Server database.";
            LoadGrid();
        }       
    }
}
Write This code  in Default2.aspx page:





<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
    <title></title>
</head>
<body>
    <form id="form2" runat="server">
    <div>
   
    </div>
    </form>
</body>
</html>

Write This code  in Default2.aspx.cs page:



using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data.SqlClient;
public partial class Default2 : System.Web.UI.Page
{
    SqlConnection sqlcon = new SqlConnection(ConfigurationManager.ConnectionStrings["Con"].ConnectionString);
    SqlCommand sqlcmd = new SqlCommand();
    SqlDataAdapter da = new SqlDataAdapter();
    DataTable dt = new DataTable();
    string qstr;
    byte[] b = null;
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            qstr = Request.QueryString["ID"];
            //Read PDF file from DATABASE table pdf field
            SqlCommand sqlcmd = new SqlCommand("Select PDFCONTENT from pdfupload where ID='" + qstr + "'", sqlcon); //use condition to retrieve particulatr PDF
            sqlcon.Open();
            da = new SqlDataAdapter(sqlcmd);
            da.Fill(dt);
            if (dt.Rows.Count > 0)
            {
                b = ((byte[])dt.Rows[0][0]);
                //Collect Bytes from database and write in Webpage
                Response.ContentType = "application/pdf";
                Response.BinaryWrite(b);
            }
        }
    }
}

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