Response.BinaryWrite : Response « Page Lifecycle « ASP.NET Tutorial






<%@ Page Language="vb" %>
<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Data.SqlClient" %>
<%@ Import Namespace="System.IO" %>
<html>
   <head>
      <title>Writing binary content in ASP.NET</title>
      <script runat="server">
         Sub Page_Load()
            Dim ConnStr As String
            ConnStr = "Data Source=(local)\NetSDK;"
            ConnStr &= "database=pubs;integrated security=true"
            Dim mySqlConn As New SqlConnection(ConnStr)
            mySqlConn.Open
            Dim SQL As String = "SELECT logo FROM pub_info WHERE pub_id = '0736'"
            Dim mySqlCmd as New SqlCommand(SQL, mySqlConn)
            mySqlCmd.CommandType = CommandType.Text
            Dim Reader As SqlDataReader
            Reader = mySqlCmd.ExecuteReader()
            Dim ImageBytes() As Byte
            While Reader.Read()
               ImageBytes = Reader.Item(0)
            End While
            Response.ContentType = "image/bmp"
            Response.BinaryWrite(ImageBytes)
            Response.End()
            Reader.Close()
            mySqlConn.Close()
         End Sub
      </script>
   </head>
<body>
   <asp:label id="myMessage" runat="server"/>
</body>
</html>








5.9.Response
5.9.1.Use Response.Write to output data from a database
5.9.2.Response.ContentType
5.9.3.Display all controls on a page
5.9.4.Use Response.Redirect to transfer to another aspx file (C#)
5.9.5.Submit a named parameter via POST
5.9.6.Displaying the HTTP headers collection in ASP.NET
5.9.7.Displaying URL information in ASP.NET
5.9.8.Response.AddCacheItemDependencies
5.9.9.Adding a cache dependency in ASP.NET
5.9.10.Response.AddFileDependencies
5.9.11.Response.AddFileDependency
5.9.12.Response.AppendHeader
5.9.13.Response.AppendToLog
5.9.14.Response.ApplyAppPathModifier
5.9.15.Response.BinaryWrite
5.9.16.Response.BufferOutput
5.9.17.Response.Expires
5.9.18.Response.ExpiresAbsolute
5.9.19.Response.Charset
5.9.20.Response.ClearContent
5.9.21.Response.ClearHeaders()
5.9.22.Response.ContentEncoding
5.9.23.Response.End()
5.9.24.Response.IsClientConnected
5.9.25.Response.Output
5.9.26.Response.PICS
5.9.27.Response.RemoveOutputCacheItem
5.9.28.Response.StatusCode
5.9.29.Response.SuppressContent
5.9.30.Response.Write
5.9.31.Response.WriteFile