<%@ Page Title="SQL Server Provider" Language="C#" MasterPageFile="~/Site.master" AutoEventWireup="true" %>
<%@ Register Assembly="AjaxUploader" Namespace="AjaxUploader.Controls" TagPrefix="au" %> 
<asp:Content ID="TitleContent" ContentPlaceHolderID="TitleContent" runat="server">SQL Server Provider - AjaxUploader v5.3 Demos</asp:Content>
<asp:Content ID="HeaderContent" ContentPlaceHolderID="HeaderTitle" runat="server">SQL Server Provider</asp:Content> 
<asp:Content ID="BodyContent" ContentPlaceHolderID="MainContent" runat="server"> 
<div class="demo-card"> <div class="demo-card-header">SQL Server Provider</div> <div class="demo-card-body"> <p class="demo-description"> Configure AjaxUploader to store uploaded files in SQL Server instead of the
 file system. Files are stored as binary data in a database table, making them
 easy to manage and back up with your database. Configure via
 <code>web.config</code> connection strings and <code>appSettings</code>.
 </p> <div class="demo-expect"><strong>What you should see:</strong> files stored as rows in SQL Server rather than on disk. Only the server-side provider changes - the markup is the same control.</div> <au:AjaxFileUpload ID="Uploader1" runat="server"
 AllowMultiple="true"
 AutoUpload="true"
 ShowProgress="true"
 ButtonText="Upload to SQL Server" /> <div class="code-panel"> <pre><code>&lt;%-- web.config: connection string and provider settings --%&gt;
&lt;connectionStrings&gt;
 &lt;add name="UploadDb"
 connectionString="Server=.;Database=MyApp;Trusted_Connection=true;"
 providerName="System.Data.SqlClient" /&gt;
&lt;/connectionStrings&gt;

&lt;appSettings&gt;
 &lt;add key="AjaxUploader:StorageProvider" value="SqlServer" /&gt;
 &lt;add key="AjaxUploader:ConnectionStringName" value="UploadDb" /&gt;
 &lt;add key="AjaxUploader:TableName" value="UploadedFiles" /&gt;
 &lt;add key="AjaxUploader:SchemaName" value="dbo" /&gt;
 &lt;add key="AjaxUploader:AutoCreateTable" value="true" /&gt;
&lt;/appSettings&gt;

&lt;%-- The provider automatically creates a table like: --%&gt;
-- CREATE TABLE [dbo].[UploadedFiles] (
-- [Id] UNIQUEIDENTIFIER PRIMARY KEY,
-- [FileName] NVARCHAR(256),
-- [ContentType] NVARCHAR(128),
-- [FileSize] BIGINT,
-- [FileData] VARBINARY(MAX),
-- [CreatedAt] DATETIME2 DEFAULT GETUTCDATE()
-- );

&lt;%-- Retrieve a file from SQL Server in an .ashx handler --%&gt;
public class FileHandler : IHttpHandler
{
 public void ProcessRequest(HttpContext context)
 {
 Guid id;
 if (!Guid.TryParse(context.Request.QueryString["id"], out id))
 {
 context.Response.StatusCode = 400;
 return;
 }
 string connStr = ConfigurationManager
 .ConnectionStrings["UploadDb"].ConnectionString;

 using (var conn = new SqlConnection(connStr))
 using (var cmd = new SqlCommand(
 "SELECT FileName, ContentType, FileData " +
 "FROM UploadedFiles WHERE Id = @Id", conn))
 {
 cmd.Parameters.AddWithValue("@Id", id);
 conn.Open();
 using (var reader = cmd.ExecuteReader())
 {
 if (reader.Read())
 {
 context.Response.ContentType =
 reader["ContentType"].ToString();
 context.Response.BinaryWrite(
 (byte[])reader["FileData"]);
 }
 }
 }
 }
}</code></pre> </div> </div>
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