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ASP.NET笔记之文章发布管理小系统案例

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母版页:SiteFont.Master 。

复制代码代码如下

<%@ Master Language="C#" AutoEventWireup="true" CodeBehind="SiteFont.master.cs" Inherits="协同企业管理系统.SiteFont" %>  <!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 runat="server">      <title></title>      <link href="css/main.css" rel="stylesheet" type="text/css" />      <script src="Scripts/jquery-1.4.1.js" type="text/javascript"></script>      <script type="text/javascript">  //        $(function () {  //            $("#nav li").mouseenter(function () {  //                $(this).addClass("active").siblings().removeClass("active")  //            });  //        });      </script>      <asp:ContentPlaceHolder ID="head" runat="server">      </asp:ContentPlaceHolder>  </head>  <body>      <form id="form1" runat="server">      <div id="mainBox">          <div id="header">              <img src="~/image/banner.jpg" runat="server" /> 母版页CSS文件:main.css 。

复制代码代码如下

body {  }  .clear  {      clear:both;}  #mainBox  {      width:950px;      margin-left:auto;      margin-right:auto;}  #nav  {      list-style-type:none;      background-color:inherit;      }  #nav LI  {      float:left;      margin-right:20px;      font-size:large;  }  #nav .active  {      background-color:Red;      } 。

主页面:News_admin.aspx 。

复制代码代码如下

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="News_admin.aspx.cs" Inherits="协同企业管理系统.admin.News_admin" %>  <!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 runat="server">      <title></title>  </head>  <body>      <form id="form1" runat="server">            <asp:ObjectDataSource ID="obdNews" runat="server" DeleteMethod="Delete"           InsertMethod="Insert" OldValuesParameterFormatString="original_{0}"           SelectMethod="GetData"           TypeName="协同企业管理系统.DAL.DataSetNewsTableAdapters.T_NewsTableAdapter"           UpdateMethod="Update">          <DeleteParameters>              <asp:Parameter Name="Original_ID" Type="Int64" />          </DeleteParameters>          <InsertParameters>              <asp:Parameter Name="ID" Type="Int64" />              <asp:Parameter Name="sTitle" Type="String" />              <asp:Parameter Name="sContent" Type="String" />              <asp:Parameter Name="SbuildDate" Type="String" />              <asp:Parameter Name="iType" Type="Int32" />              <asp:Parameter Name="sUser" Type="String" />              <asp:Parameter Name="sNote" Type="String" />          </InsertParameters>          <UpdateParameters>              <asp:Parameter Name="sTitle" Type="String" />              <asp:Parameter Name="sContent" Type="String" />              <asp:Parameter Name="SbuildDate" Type="String" />              <asp:Parameter Name="iType" Type="Int32" />              <asp:Parameter Name="sUser" Type="String" />              <asp:Parameter Name="sNote" Type="String" />              <asp:Parameter Name="Original_ID" Type="Int64" />          </UpdateParameters>      </asp:ObjectDataSource>      <a href="News_add.aspx?flag=add">发布文章</a>      <asp:ListView ID="ListView1" runat="server" DataKeyNames="ID"           DataSourceID="obdNews">          <EmptyDataTemplate>              <table runat="server"                   style="background-color: #FFFFFF;border-collapse: collapse;border-color: #999999;border-style:none;border-width:1px;">                  <tr>                      <td>                          暂时没有文章</td>                  </tr>              </table>          </EmptyDataTemplate>          <ItemTemplate>              <tr style="background-color: #FFFBD6;color: #333333;">                  <td>                      <asp:Button ID="DeleteButton" runat="server" CommandName="Delete" Text="删除" />                      <a href='News_add.aspx?flag=edit&id=<%# Eval ("ID") %>' >修改</a>                   </td>                  <td>                      <asp:Label ID="sTitleLabel" runat="server" Text='<%# Eval("sTitle") %>' />                  </td>                  <td>                      <asp:Label ID="SbuildDateLabel" runat="server"                           Text='<%# Eval("SbuildDate") %>' />                  </td>                  <td>                      <asp:Label ID="iTypeLabel" runat="server" Text='<%# Eval("iType") %>' />                  </td>                  <td>                      <asp:Label ID="sUserLabel" runat="server" Text='<%# Eval("sUser") %>' />                  </td>              </tr>          </ItemTemplate>          <LayoutTemplate>              <table runat="server">                  <tr runat="server">                      <td runat="server">                          <table ID="itemPlaceholderContainer" runat="server" border="1"                               style="background-color: #FFFFFF;border-collapse: collapse;border-color: #999999;border-style:none;border-width:1px;font-family: Verdana, Arial, Helvetica, sans-serif;">                              <tr runat="server" style="background-color: #FFFBD6;color: #333333;">                                  <th runat="server">                                  </th>                                  <th runat="server">                                      sTitle</th>                                  <th runat="server">                                      SbuildDate</th>                                  <th runat="server">                                      iType</th>                                  <th runat="server">                                      sUser</th>                              </tr>                              <tr ID="itemPlaceholder" runat="server">                              </tr>                          </table>                      </td>                  </tr>                  <tr runat="server">                      <td runat="server"                           style="text-align: center;background-color: #FFCC66;font-family: Verdana, Arial, Helvetica, sans-serif;color: #333333;">                      </td>                  </tr>              </table>          </LayoutTemplate>      </asp:ListView>            </form>  </body>  </html> 。

文章列表页面:News_list.aspx 。

复制代码代码如下

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="News_list.aspx.cs" Inherits="协同企业管理系统.admin.News_list" %>  <!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 runat="server">      <title></title>  </head>  <body>      <form id="form1" runat="server">      <div>          <asp:ObjectDataSource ID="obdNewslist" runat="server" DeleteMethod="Delete"               InsertMethod="Insert" OldValuesParameterFormatString="original_{0}"               SelectMethod="GetDataPage" SelectCountMethod="NewsQuery"               TypeName="协同企业管理系统.DAL.DataSetNewsTableAdapters.T_NewsTableAdapter"               UpdateMethod="Update" EnablePaging="True">              <DeleteParameters>                  <asp:Parameter Name="Original_ID" Type="Int64" />              </DeleteParameters>              <InsertParameters>                  <asp:Parameter Name="sTitle" Type="String" />                  <asp:Parameter Name="sContent" Type="String" />                  <asp:Parameter Name="SbuildDate" Type="String" />                  <asp:Parameter Name="iType" Type="Int32" />                  <asp:Parameter Name="sUser" Type="String" />                  <asp:Parameter Name="sNote" Type="String" />              </InsertParameters>              <UpdateParameters>                  <asp:Parameter Name="sTitle" Type="String" />                  <asp:Parameter Name="sContent" Type="String" />                  <asp:Parameter Name="SbuildDate" Type="String" />                  <asp:Parameter Name="iType" Type="Int32" />                  <asp:Parameter Name="sUser" Type="String" />                  <asp:Parameter Name="sNote" Type="String" />                  <asp:Parameter Name="Original_ID" Type="Int64" />              </UpdateParameters>          </asp:ObjectDataSource>      </div>      <asp:ListView ID="ListView1" runat="server" DataKeyNames="ID"           DataSourceID="obdNewslist">          <EmptyDataTemplate>             暂时没有文章          </EmptyDataTemplate>          <ItemTemplate>             <li><a href='News_detail.aspx?ID=<%#Eval("ID")%>'><%#Eval ("sTitle") %></a></li>          </ItemTemplate>          <LayoutTemplate>              <ul>                 <asp:PlaceHolder ID="itemPlaceholder" runat="server"></asp:PlaceHolder>              </ul>             <%-- QueryStringField 传页数参数名字--%>            <asp:DataPager ID="DataPager1" runat="server" PageSize="5" QueryStringField="pageName">                              <Fields>                                  <asp:NextPreviousPagerField ButtonType="Link" ShowFirstPageButton="True"                                       ShowLastPageButton="false" ShowNextPageButton="false"                                      ShowPreviousPageButton="true"/>                                      <asp:NumericPagerField></asp:NumericPagerField>                                  <asp:NextPreviousPagerField ButtonType="Link" ShowFirstPageButton="false"                                   ShowLastPageButton="True" ShowPreviousPageButton="false" ShowNextPageButton="true" />                              </Fields>            </asp:DataPager>          </LayoutTemplate>      </asp:ListView>      </form>  </body>  </html> 。

添加/修改文章页面:News_add.aspx 。

复制代码代码如下

<%@ Page Language="C#" AutoEventWireup="true"ValidateRequest="false" CodeBehind="News_add.aspx.cs" Inherits="协同企业管理系统.admin.News_add" %>  <!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 runat="server">      <script src="js/ckeditor/ckeditor.js" type="text/javascript"></script>      <title></title>  </head>  <body>      <form id="form1" runat="server">      <div>          <table border="0" cellpadding="0" cellspacing="0">              <tr>                  <td>                      <asp:Label ID="Label1" runat="server" Text="标题">                      </asp:Label><asp:TextBox ID="txtTitle"                          runat="server"></asp:TextBox>                  </td>              </tr>              <tr>                  <td>                      <asp:Label ID="Label2" runat="server" Text="正文"></asp:Label>                      <asp:TextBox ID="txtContent" CssClass="ckeditor"                          runat="server" TextMode="MultiLine"></asp:TextBox>                  </td>              </tr>              <tr>                 <td>                     <asp:Button ID="btnSave" runat="server" Text="保存" onclick="btnSave_Click" />                 </td>              </tr>          </table>      </div>      </form>  </body>  </html> 。

添加/修改文章后台代码:News_add.aspx.cs 。

复制代码代码如下

using System;  using System.Collections.Generic;  using System.Linq;  using System.Web;  using System.Web.UI;  using System.Web.UI.WebControls;  using 协同企业管理系统.DAL.DataSetNewsTableAdapters;  namespace 协同企业管理系统.admin  {      public partial class News_add : System.Web.UI.Page      {          protected void Page_Load(object sender, EventArgs e)          {              if (!IsPostBack) {                  //传入参数                  var flag = Request["flag"];                  if (flag == "add") { }                  //如果是表示修改的参数,则根据ID获取数据库中的数据                  //显示在修改页面上                  else if (flag == "edit") {                      int ID = Convert.ToInt32(Request["ID"]);                      var NewsRow = new T_NewsTableAdapter().GetDataById(ID).Single();                      txtContent.Text = NewsRow.sContent;                      txtTitle.Text = NewsRow.sTitle;                  }                  else { throw new Exception("参数传入有误"); }              }          }          protected void btnSave_Click(object sender, EventArgs e)          {              if (!IsValid) {                  return;              }              //保存              string flag = Request["flag"];              if (flag == "add") {                  string nowTime=System.DateTime.Now.ToString("G");                  new T_NewsTableAdapter().Insert(txtTitle.Text, txtContent.Text, nowTime,1,"admin","无");              }              else if(flag=="edit"){                  int ID=Convert.ToInt32(Request["ID"]);                  var newsRow=new T_NewsTableAdapter().GetDataById(ID).Single();                  newsRow.sContent=txtContent.Text;                  newsRow.sTitle=txtTitle.Text;                  new T_NewsTableAdapter().Update(newsRow);              }              Response.Redirect("News_admin.aspx");          }      }  } 。

文章详情页面:News_detail.aspx 。

复制代码代码如下

<%@ Page /> 文章详情后台代码:News_detail.aspx.cs 。

复制代码代码如下

using System;  using System.Collections.Generic;  using System.Linq;  using System.Web;  using System.Web.UI;  using System.Web.UI.WebControls;  using 协同企业管理系统.DAL.DataSetNewsTableAdapters;  namespace 协同企业管理系统.admin  {      public partial class News_detail : System.Web.UI.Page      {          protected void Page_Load(object sender, EventArgs e)          {              if (!IsPostBack) {                  int ID = Convert.ToInt32(Request["ID"]);                  var NewsTable = new T_NewsTableAdapter().GetDataById(ID);                  if (NewsTable.Count <= 0)                  {                      Literal1.Visible = false;                      Literal2.Visible = false;                      Literal3.Visible = false;                      Literal4.Text = "找不到指定新闻,请查看其它新闻。";                  }                  else if(NewsTable.Count>0) {                      var NewsRows = NewsTable.Single();                      Literal1.Text=NewsRows.sTitle;                      Literal2.Text = NewsRows.sUser;                      Literal3.Text = NewsRows.SbuildDate;                      Literal4.Text = NewsRows.sContent;                  }              }          }      }  } 。

在ascx文件中使用Repeater动态加载数据:News_Tablist.ascx 。

复制代码代码如下

<%@ Control Language="C#" AutoEventWireup="true" CodeBehind="News_Tablist.ascx.cs" Inherits="协同企业管理系统.admin.News_Tablist" %>  <asp:Repeater ID="Repeater1" runat="server" >      <HeaderTemplate><ul></HeaderTemplate>      <ItemTemplate><li>标题:<%# Eval("sTitle")%></li></ItemTemplate>      <FooterTemplate></u1></FooterTemplate>  </asp:Repeater> 。

News_Tablist.ascx.cs 。

复制代码代码如下

using System;  using System.Collections.Generic;  using System.Linq;  using System.Web;  using System.Web.UI;  using System.Web.UI.WebControls;  using 协同企业管理系统.DAL.DataSetNewsTableAdapters;  namespace 协同企业管理系统.admin  {      public partial class News_Tablist : System.Web.UI.UserControl      {          protected void Page_Load(object sender, EventArgs e)          {              if (!IsPostBack) {                  Response.Write("3333");                  var data = new T_NewsTableAdapter().GetDataByiType(iType);                  Repeater1.DataSource = data;                  Repeater1.DataBind();              }          }          public int iType          {              get;              set;          }      }  } 。

附件上传页面:Pic_load.aspx 。

复制代码代码如下

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Pic_load.aspx.cs" Inherits="协同企业管理系统.admin.Pic_load" %>  <!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 runat="server">      <title></title>  </head>  <body>      <form id="form1" runat="server">      <div>          <asp:FileUpload ID="FileUpload1" runat="server" />          <asp:Button ID="Button1" runat="server" Text="Button" onclick="Button1_Click" />      </div>      </form>  </body>  </html> 。

附件上传后台代码:Pic_load.aspx.cs 。

复制代码代码如下

using System;  using System.Collections.Generic;  using System.Linq;  using System.Web;  using System.Web.UI;  using System.Web.UI.WebControls;  using System.IO;  namespace 协同企业管理系统.admin  {      public partial class Pic_load : System.Web.UI.Page      {          protected void Page_Load(object sender, EventArgs e)          {          }          protected void Button1_Click(object sender, EventArgs e)          {              FileUpload fileload = (FileUpload)form1.FindControl("FileUpload1");              if (fileload.HasFile) {                  //校验文件类型                  string ext = Path.GetExtension(fileload.FileName).ToLower();                  Response.Write(ext);                  if (ext == ".jpg" || ext == ".jpeg" || ext == ".gif" || ext == ".png")                  {                      Response.Write("sucess");                      //全路径。根目录                      fileload.SaveAs(Server.MapPath("~/image/" + fileload.FileName));                  }                  else                  {                      ClientScript.RegisterStartupScript(GetType(), "alert", "alert('只允许上传jpg/jpeg/gif/png文件');", true);                      return;                  }              }          }      }  } 。

 

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