1、今日完成任务:
(1)公告管理界面
(2)对公告进行增删改查操作
2、核心源码:
<body> <div class="pd-20"> <form action="" method="post" class="form form-horizontal" id="form_article_add" runat="server"> <div class="row cl"> <label class="form-label col-2"><span class="c-red">*</span>公告标题：</label> <div class="formControls col-10"> <asp:TextBox ID="txt_title" runat="server" class="input-text"></asp:TextBox> </div> </div> <div class="row cl"> <label class="form-label col-2"><span class="c-red">*</span>公告分类：</label> <div class="formControls col-4"> <asp:DropDownList ID="ddl_CategoryName" runat="server" class="input-text" Width="80%"> <asp:ListItem Selected="True">公告</asp:ListItem> <asp:ListItem>通知</asp:ListItem> <asp:ListItem>其它</asp:ListItem> </asp:DropDownList> </div> </div> <div class="row cl"> <label class="form-label col-2">公告内容：</label> <div class="formControls col-10 "> <asp:TextBox ID="txtContent" runat="server" TextMode="MultiLine" style=" 100%; height: 400px; visibility: hidden;"></asp:TextBox> </div> </div> <div class="row cl"> <div class="col-10 col-offset-2"> <asp:HiddenField ID="HiddenField1" runat="server" /> <asp:Button ID="btn_submit" runat="server" Text="提交" class="btn btn-primary radius" value=" 提交 " OnClick="btn_submit_Click"/> </div> </div> </form> </div> <script type="text/javascript" src="lib/jquery/1.9.1/jquery.min.js"></script> <script type="text/javascript" src="lib/layer/1.9.3/layer.js"></script> <script type="text/javascript" src="lib/icheck/jquery.icheck.min.js"></script> <script type="text/javascript" src="lib/Validform/5.3.2/Validform.min.js"></script> <script type="text/javascript" src="js/H-ui.js"></script> <script type="text/javascript" src="js/H-ui.admin.js"></script> <script type="text/javascript"> $(function () { $('.skin-minimal input').iCheck({ checkboxClass: 'icheckbox-blue', radioClass: 'iradio-blue', increaseArea: '20%' }); }); </script> </body>
DAL
//创建数据库上下文对象 carDBDataContext db = new carDBDataContext(); /// <summary> /// 根据标题查询公告信息 /// </summary> /// <param name="uname">公告标题</param> /// <returns>公告信息</returns> public object selectnotices(string title = null) { object notice = null; if (!string.IsNullOrEmpty(title)) { notice = db.notices.Where(m => m.noticesTitle.Contains(title)).ToList(); } else { notice = db.notices.ToList(); } return notice; } /// <summary> /// 根据公告ID查询公告信息 /// </summary> /// <param name="id">公告ID</param> /// <returns>公告实体</returns> public notices selectnoticesByID(int id) { return db.notices.Where(m => m.noticesId == id).FirstOrDefault(); } /// <summary> /// 新增公告信息 /// </summary> /// <param name="u">公告实体</param> /// <returns>是否新增成功true/false</returns> public bool Addnotices(notices n) { int count = db.notices.Count(); //初始公告数量 db.notices.InsertOnSubmit(n); //新增 db.SubmitChanges(); //提交并更改数据库 if (count < db.notices.Count()) //如果初始公告数量 < 新增后数量 { return true; } else { return false; } } /// <summary> /// 删除公告信息 /// </summary> /// <param name="id">公告ID</param> /// <returns>是否删除成功true/false</returns> public bool Delnotices(int id) { int count = db.notices.Count(); //初始公告数量 //根据id获取要删除的公告实体 notices u = db.notices.Where(m => m.noticesId == id).FirstOrDefault(); if (u != null) { db.notices.DeleteOnSubmit(u); //删除 db.SubmitChanges();//提交并更改数据库 } if (count > db.notices.Count()) //如果初始公告数量 > 删除后数量 { return true; } else { return false; } } /// <summary> /// 修改公告信息 /// </summary> /// <param name="u">公告实体</param> /// <returns>是否修改成功true</returns> public bool Editnotices(notices n) { notices n1 = db.notices.Single(m => m.noticesId== n.noticesId); //找到数据库中要修改的实体对象 n1.noticesId = n.noticesId; n1.noticesTitle = n.noticesTitle; n1.noticesContents = n.noticesContents; n1.CategoryName = n.CategoryName; n1.PublishTime = n.PublishTime; db.SubmitChanges(); //提交并更改数据库 return true; }
<body> <div class="pd-20"> <form action="" method="post" class="form form-horizontal" id="form_article_add" runat="server"> <div class="row cl"> <label class="form-label col-2"><span class="c-red">*</span>公告标题：</label> <div class="formControls col-10"> <asp:TextBox ID="txt_title" runat="server" class="input-text"></asp:TextBox> </div> </div> <div class="row cl"> <label class="form-label col-2"><span class="c-red">*</span>公告分类：</label> <div class="formControls col-4"> <asp:DropDownList ID="ddl_CategoryName" runat="server" class="input-text" Width="80%"> <asp:ListItem Selected="True">公告</asp:ListItem> <asp:ListItem>通知</asp:ListItem> <asp:ListItem>其它</asp:ListItem> </asp:DropDownList> </div> </div> <div class="row cl"> <label class="form-label col-2">公告内容：</label> <div class="formControls col-10 "> <asp:TextBox ID="txtContent" runat="server" TextMode="MultiLine" style=" 100%; height: 400px; visibility: hidden;"></asp:TextBox> </div> </div> <div class="row cl"> <div class="col-10 col-offset-2"> <asp:HiddenField ID="HiddenField1" runat="server" /> <asp:Button ID="btn_submit" runat="server" Text="提交" class="btn btn-primary radius" value=" 提交 " OnClick="btn_submit_Click"/> </div> </div> </form> </div> <script type="text/javascript" src="lib/jquery/1.9.1/jquery.min.js"></script> <script type="text/javascript" src="lib/layer/1.9.3/layer.js"></script> <script type="text/javascript" src="lib/icheck/jquery.icheck.min.js"></script> <script type="text/javascript" src="lib/Validform/5.3.2/Validform.min.js"></script> <script type="text/javascript" src="js/H-ui.js"></script> <script type="text/javascript" src="js/H-ui.admin.js"></script> <script type="text/javascript"> $(function () { $('.skin-minimal input').iCheck({ checkboxClass: 'icheckbox-blue', radioClass: 'iradio-blue', increaseArea: '20%' }); }); </script></body>