anf的二进制存入image类型，再序列化数据代码,CSharp代码库,德仔网

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【CSharp】 anf的二进制存入image类型，再序列化数据
作者: / 发布于2011/1/5/ 843
<div>using System;
using System.Web;
using System.Collections;</div>
<div>namespace test.binary
{
 /**//// <summary>
 /// Class1 的摘要说明。
 /// </summary>
 public class BlogSiteSettings
 {
 private Hashtable blogsettings = new Hashtable();
 private int bloguserid = 0;
 private int blogpurview = 0;
 private string blogpassword = "";
 public Hashtable BlogSettings
 {
 get { return blogsettings; }
 set { blogsettings = value; }
 }
<div> public int BlogUserId
 {
 get { return bloguserid; }
 set { bloguserid = value; }
 }
<div> public int BlogPurview
 {
 get
 {
 string key = "BlogPurview";</div>
<div> if (blogsettings[key] != null)
 return (int) blogsettings[key];
 else
 return blogpurview;
 }
 set { blogsettings["BlogPurview"] = value; }
 }
 public string BlogPassword
 {
 get
 {
 string key = "BlogPassword";</div>
<div> if (blogsettings[key] != null)
 return (string) blogsettings[key];
 else
 return blogpassword;
 }
 set { blogsettings["BlogPassword"] = value; }
 }
 }
}
<div><%@ Page language="c#" Codebehind="BlogSettings.aspx.cs" AutoEventWireup="false" Inherits="test.binary.BlogSettings" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
 <HEAD>
 <title>BlogSettings</title>
 <meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
 <meta name="CODE_LANGUAGE" Content="C#">
 <meta name="vs_defaultClientScript" content="JavaScript">
 <meta name="vs_targetSchema" content="<a href="http://schemas.microsoft.com/intellisense/ie5">http://schemas.microsoft.com/intellisense/ie5</a>">
 </HEAD>
 <body MS_POSITIONING="GridLayout">
 <form id="Form1" method="post" runat="server">
 <asp:RadioButton id="rbpublic" style="Z-INDEX: 101; LEFT: 344px; POSITION: absolute; TOP: 88px" runat="server"
 Text="公开" GroupName="purview"></asp:RadioButton>
 <asp:RadioButton id="rbFriend" style="Z-INDEX: 102; LEFT: 440px; POSITION: absolute; TOP: 88px" runat="server"
 Text="对好友公开" GroupName="purview"></asp:RadioButton>
 <asp:RadioButton id="rbPrivate" style="Z-INDEX: 103; LEFT: 576px; POSITION: absolute; TOP: 88px"
 runat="server" Text="私人" GroupName="purview"></asp:RadioButton>
 <asp:TextBox id="txtPassword" style="Z-INDEX: 104; LEFT: 352px; POSITION: absolute; TOP: 120px"
 runat="server"></asp:TextBox>
 <asp:Button id="Button1" style="Z-INDEX: 105; LEFT: 352px; POSITION: absolute; TOP: 160px" runat="server"
 Text="提交"></asp:Button>
 </form>
 </body>
</HTML></div>
<div>using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Configuration;
using System.IO;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Binary;</div>
<div>namespace test.binary
{
 /**//// <summary>
 /// BlogSettings 的摘要说明。
 /// </summary>
 public class BlogSettings : System.Web.UI.Page
 {
 protected System.Web.UI.WebControls.RadioButton rbpublic;
 protected System.Web.UI.WebControls.RadioButton rbFriend;
 protected System.Web.UI.WebControls.RadioButton rbPrivate;
 protected System.Web.UI.WebControls.TextBox txtPassword;
 protected System.Web.UI.WebControls.Button Button1;
 
 private void Page_Load(object sender, System.EventArgs e)
 {
 if(!Page.IsPostBack)
 {
 BlogSiteSettings blogsiteSettings = GetBlogSettings(int.Parse(Request.QueryString["UserId"]));
 if(blogsiteSettings.BlogPurview == 0)
 this.rbpublic.Checked = true;
 else if(blogsiteSettings.BlogPurview == 1)
 this.rbFriend.Checked = true;
 else if(blogsiteSettings.BlogPurview == 2)
 this.rbPrivate.Checked = true;
 txtPassword.Text = blogsiteSettings.BlogPassword;
 }
 }
<div> Web 窗体设计器生成的代码#region Web 窗体设计器生成的代码
 override protected void OnInit(EventArgs e)
 {
 //
 // CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
 //
 InitializeComponent();
 base.OnInit(e);
 }
 
 /**//// <summary>
 /// 设计器支持所需的方法 - 不要使用代码编辑器修改
 /// 此方法的内容。
 /// </summary>
 private void InitializeComponent()
 { 
 this.Button1.Click += new System.EventHandler(this.Button1_Click);
 this.Load += new System.EventHandler(this.Page_Load);</div>
<div> }
 #endregion</div>
<div> private void Button1_Click(object sender, System.EventArgs e)
 {
 int UserId = int.Parse(Request.QueryString["UserId"]);
 BlogSiteSettings blogsiteSettings = new BlogSiteSettings();
 blogsiteSettings.BlogUserId = UserId;
 if(rbpublic.Checked)
 blogsiteSettings.BlogPurview = 0;
 else if(rbFriend.Checked)
 blogsiteSettings.BlogPurview = 1;
 else if(rbPrivate.Checked)
 blogsiteSettings.BlogPurview = 2;
 string k = txtPassword.Text.Trim();
 blogsiteSettings.BlogPassword = txtPassword.Text.Trim();
 SaveSiteSettings(blogsiteSettings);
 Response.Redirect("BlogSettings.aspx?UserId="+UserId);
 }
 public void SaveSiteSettings(BlogSiteSettings blogsiteSettings) 
 {
 BinaryFormatter binaryFormatter = new BinaryFormatter();
 MemoryStream ms = new MemoryStream();
 byte[] b;
 binaryFormatter.Serialize(ms, blogsiteSettings.BlogSettings);
 ms.Position = 0;
 b = new Byte[ms.Length];
 ms.Read(b, 0, b.Length);</div>
<div> SqlConnection conn = new SqlConnection(ConfigurationSettings.AppSettings["Connection"]);
 SqlCommand cmd = new SqlCommand("c_InsertBlogInfo",conn);
 cmd.CommandType = CommandType.StoredProcedure;
 conn.Open();
 cmd.Parameters.Add("@i_UserId", SqlDbType.Int, 4).Value = blogsiteSettings.BlogUserId;
 cmd.Parameters.Add("@i_BlogSettings", SqlDbType.VarBinary, 7500).Value = b;
 cmd.ExecuteNonQuery();
 cmd.Connection.Close(); 
 cmd.Dispose();
 conn.Close();
 
 binaryFormatter = null;
 ms = null;
 }
 protected BlogSiteSettings GetBlogSettings(int UserId)
 {
 SqlConnection conn = new SqlConnection(ConfigurationSettings.AppSettings["Connection"]);
 SqlCommand cmd = new SqlCommand("c_GetBlogInfo",conn);
 cmd.CommandType = CommandType.StoredProcedure;
 cmd.Parameters.Add("@i_UserId",SqlDbType.Int,4).Value = UserId;
 conn.Open();
 SqlDataReader dr = cmd.ExecuteReader(); 
 BlogSiteSettings blogsiteSettings = new BlogSiteSettings();
 while(dr.Read())
 {
 try
 {
 
 BinaryFormatter binaryFormatter = new BinaryFormatter();
 MemoryStream ms = new MemoryStream();
 Byte[] b;</div>
<div> b = (byte[]) dr["BlogSettings"];
 ms.Write(b, 0, b.Length);
 ms.Position = 0;
 blogsiteSettings.BlogSettings = (Hashtable) binaryFormatter.Deserialize(ms);
 blogsiteSettings.BlogUserId = (int) dr["UserId"];
 } 
 catch
 {
 conn.Close();
 return blogsiteSettings;
 }
 }
 conn.Close();
 return blogsiteSettings;
 }
 public static BlogSiteSettings PopulateSiteSettingsFromIDataReader(IDataReader dr)
 {
 BlogSiteSettings blogsiteSettings = new BlogSiteSettings();
 BinaryFormatter binaryFormatter = new BinaryFormatter();
 MemoryStream ms = new MemoryStream();
 Byte[] b;</div>
<div> b = (byte[]) dr["BlogSettings"];
 ms.Write(b, 0, b.Length);
 ms.Position = 0;
 blogsiteSettings.BlogSettings = (Hashtable) binaryFormatter.Deserialize(ms);
 blogsiteSettings.BlogUserId = (int) dr["UserId"];</div>
<div> return blogsiteSettings;
 }
 }
}
</div>
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