ListView:How to....

 內容：增加，編輯，刪除，排序，分頁。

<%@ Page Title="" Language="C#" MasterPageFile="~/Mail/MailMasterPage.master" AutoEventWireup="true" CodeBehind="MailContacts.aspx.cs" Inherits="Dftr.Web.Mail.MailContacts" %> <asp:Content ID="Content1" ContentPlaceHolderID="CPH_Center" runat="server"> <asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional"> <ContentTemplate> <asp:UpdateProgress ID="UpdateProgress1" runat="server"> <ProgressTemplate> <div class="loading"> Loading</div> </ProgressTemplate> </asp:UpdateProgress> <asp:ListView ID="ListView1" runat="server" DataKeyNames="Id" InsertItemPosition="LastItem" ConvertEmptyStringToNull="False" OnItemInserting="ListView1_ItemInserting" OnItemCanceling="ListView1_ItemCanceling" OnItemDeleting="ListView1_ItemDeleting" OnItemEditing="ListView1_ItemEditing" OnItemUpdating="ListView1_ItemUpdating" OnSorting="ListView1_Sorting" OnPagePropertiesChanging="ListView1_PagePropertiesChanging"> <ItemTemplate> <tr style=""> <td> <asp:Label ID="NameLabel" runat="server" Text='<%# Eval("Name") %>' /> </td> <td> <asp:Label ID="EmailLabel" runat="server" Text='<%# Eval("Email") %>' /> </td> <td> <asp:Label ID="DescriptionLabel" runat="server" Text='<%# Eval("Description") %>' /> </td> <td> <asp:Button ID="DeleteButton" runat="server" CommandName="Delete" Text="刪除" /> <asp:Button ID="EditButton" runat="server" CommandName="Edit" Text="編輯" /> </td> </tr> </ItemTemplate> <AlternatingItemTemplate> <tr style=""> <td> <asp:Label ID="NameLabel" runat="server" Text='<%# Eval("Name") %>' /> </td> <td> <asp:Label ID="EmailLabel" runat="server" Text='<%# Eval("Email") %>' /> </td> <td> <asp:Label ID="DescriptionLabel" runat="server" Text='<%# Eval("Description") %>' /> </td> <td> <asp:Button ID="DeleteButton" runat="server" CommandName="Delete" Text="刪除" /> <asp:Button ID="EditButton" runat="server" CommandName="Edit" Text="編輯" /> </td> </tr> </AlternatingItemTemplate> <EmptyDataTemplate> <table runat="server" style=""> <tr> <td> 未返回數據。 </td> </tr> </table> </EmptyDataTemplate> <InsertItemTemplate> <tr style=""> <td> <asp:TextBox ID="NameTextBox" runat="server" Text='<%# Bind("Name") %>' /> </td> <td> <asp:TextBox ID="EmailTextBox" runat="server" Text='<%# Bind("Email") %>' /> </td> <td> <asp:TextBox ID="DescriptionTextBox" runat="server" Text='<%# Bind("Description") %>' /> </td> <td> <asp:Button ID="InsertButton" runat="server" CommandName="Insert" Text="插入" /> <asp:Button ID="CancelButton" runat="server" CommandName="Cancel" Text="清除" /> </td> </tr> </InsertItemTemplate> <LayoutTemplate> <table runat="server" style="width: 100%"> <tr runat="server"> <td runat="server"> <table id="itemPlaceholderContainer" runat="server" border="0" style=""> <tr runat="server" style=""> <th runat="server"> <asp:LinkButton ID="SortName" runat="server" Text="姓名" CommandName="Sort" CommandArgument="Name" /> <asp:Image ID="NameImage" runat="server" Visible="false" /> </th> <th runat="server"> <asp:LinkButton ID="SortEmail" runat="server" Text="Email" CommandName="Sort" CommandArgument="Email" /> <asp:Image ID="EmailImage" runat="server" Visible="false" /> </th> <th runat="server"> <asp:LinkButton ID="SortDescription" runat="server" Text="描述" CommandName="Sort" CommandArgument="Description" /> <asp:Image ID="DescriptionImage" runat="server" Visible="false" /> </th> </tr> <tr id="itemPlaceholder" runat="server"> </tr> </table> </td> </tr> </table> </LayoutTemplate> <EditItemTemplate> <tr style=""> <td> <asp:TextBox ID="NameTextBox" runat="server" Text='<%# Bind("Name") %>' /> </td> <td> <asp:TextBox ID="EmailTextBox" runat="server" Text='<%# Bind("Email") %>' /> </td> <td> <asp:TextBox ID="DescriptionTextBox" runat="server" Text='<%# Bind("Description") %>' /> </td> <td> <asp:Button ID="UpdateButton" runat="server" CommandName="Update" Text="更新" /> <asp:Button ID="CancelButton" runat="server" CommandName="Cancel" Text="取消" /> </td> </tr> </EditItemTemplate> <SelectedItemTemplate> <tr style=""> <td> <asp:Label ID="NameLabel" runat="server" Text='<%# Eval("Name") %>' /> </td> <td> <asp:Label ID="EmailLabel" runat="server" Text='<%# Eval("Email") %>' /> </td> <td> <asp:Label ID="DescriptionLabel" runat="server" Text='<%# Eval("Description") %>' /> </td> <td> <asp:Button ID="DeleteButton" runat="server" CommandName="Delete" Text="刪除" /> <asp:Button ID="EditButton" runat="server" CommandName="Edit" Text="編輯" /> </td> </tr> </SelectedItemTemplate> </asp:ListView> <asp:DataPager ID="DataPager1" runat="server" PagedControlID="ListView1"> <Fields> <asp:NextPreviousPagerField ButtonType="Button" ShowFirstPageButton="True" ShowNextPageButton="False" ShowPreviousPageButton="False" /> <asp:NumericPagerField /> <asp:NextPreviousPagerField ButtonType="Button" ShowLastPageButton="True" ShowNextPageButton="False" ShowPreviousPageButton="False" /> </Fields> </asp:DataPager> </ContentTemplate> </asp:UpdatePanel> </asp:Content>

 

 

using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using System.Data; using Dftr.Mail; using Dftr.Entity.Mail; namespace Dftr.Web.Mail { public partial class MailContacts : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { ListViewBind(); } } void ListViewBind() { DataTable dt = BLLMailContacts.GetList("TestName"); DataView dv = dt.DefaultView; if (ViewState["SortColumn"] != null) { dv.Sort = ViewState["SortColumn"].ToString() + " " + ViewState["SortDirection"].ToString(); } ListView1.DataSource = dv; ListView1.DataBind(); } protected void ListView1_ItemInserting(object sender, ListViewInsertEventArgs e) { MailContactsEntity ent = new MailContactsEntity(); ent.Name = (ListView1.InsertItem.FindControl("NameTextBox") as TextBox).Text; ent.Email = (ListView1.InsertItem.FindControl("EmailTextBox") as TextBox).Text; ent.Description = (ListView1.InsertItem.FindControl("DescriptionTextBox") as TextBox).Text; ent.UserName = "TestName"; if (BLLMailContacts.Add(ent) > 0) { ListViewBind(); UpdatePanel1.Update(); } else { e.Cancel = true; } } protected void ListView1_ItemEditing(object sender, ListViewEditEventArgs e) { ListView1.EditIndex = e.NewEditIndex; ListViewBind(); } protected void ListView1_ItemUpdating(object sender, ListViewUpdateEventArgs e) { MailContactsEntity ent = new MailContactsEntity(); ent.Id = int.Parse(ListView1.DataKeys[e.ItemIndex].Value.ToString()); ent.Name = (ListView1.Items[e.ItemIndex].FindControl("NameTextBox") as TextBox).Text; ent.Email = (ListView1.Items[e.ItemIndex].FindControl("EmailTextBox") as TextBox).Text; ent.Description = (ListView1.Items[e.ItemIndex].FindControl("DescriptionTextBox") as TextBox).Text; ent.UserName = "TestName"; if (BLLMailContacts.Update(ent) > 0) { ListView1.EditIndex = -1; ListViewBind(); UpdatePanel1.Update(); } else { e.Cancel = true; throw new Exception("未更新"); } } protected void ListView1_ItemCanceling(object sender, ListViewCancelEventArgs e) { ListView1.EditIndex = -1; ListViewBind(); } protected void ListView1_ItemDeleting(object sender, ListViewDeleteEventArgs e) { if (BLLMailContacts.Remove(int.Parse(ListView1.DataKeys[e.ItemIndex].Value.ToString())) > 0) { ListViewBind(); UpdatePanel1.Update(); } else { e.Cancel = true; throw new Exception("未刪除"); } } protected void ListView1_Sorting(object sender, ListViewSortEventArgs e) { //隱藏所有列的圖片 ListView1.FindControl("NameImage").Visible = false; ListView1.FindControl("EmailImage").Visible = false; ListView1.FindControl("DescriptionImage").Visible = false; ViewState["SortColumn"] = e.SortExpression; if (ViewState["SortDirection"] != null) { if (ViewState["SortDirection"].ToString() == "ASC") { ViewState["SortDirection"] = "DESC"; (ListView1.FindControl(ViewState["SortColumn"].ToString() + "Image") as Image).ImageUrl = "~/img/arrow_down.gif"; ListView1.FindControl(ViewState["SortColumn"].ToString() + "Image").Visible = true; } else { ViewState["SortDirection"] = "ASC"; (ListView1.FindControl(ViewState["SortColumn"] .ToString()+ "Image") as Image).ImageUrl = "~/img/arrow_top.gif"; ListView1.FindControl(ViewState["SortColumn"].ToString() + "Image").Visible = true; } } else { ViewState["SortDirection"] = "ASC"; (ListView1.FindControl(ViewState["SortColumn"].ToString() + "Image") as Image).ImageUrl = "~/img/arrow_top.gif"; ListView1.FindControl(ViewState["SortColumn"].ToString() + "Image").Visible = true; } ListViewBind(); UpdatePanel1.Update(); } protected void ListView1_PagePropertiesChanging(object sender, PagePropertiesChangingEventArgs e) { DataPager1.SetPageProperties(e.StartRowIndex, e.MaximumRows, false); ListViewBind(); UpdatePanel1.Update(); } } }