数据绑定控件LiisView制作的网站友情链接管理
客户端代码:
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="FriendLinks.aspx.cs" Inherits="ListView控件的绑定.FriendLinks" %> <!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> <script src="js/jquery-1.4.2.js" type="text/javascript"></script> <script type="text/javascript"> function onLinkTypeChange(src, logoTextId) { //这里定义一个函数控制logoLink是否显示 if ($(src).val() == "text") { //当LinkType为text时隐藏logoLink $("#" + logoTextId).hide(); } else { $("#" + logoTextId).show(); } } </script> </head> <body> <form id="form1" runat="server"> <div> <asp:ObjectDataSource ID="ObjectDataSource1" runat="server" DeleteMethod="Delete" InsertMethod="Insert" OldValuesParameterFormatString="original_{0}" SelectMethod="GetData" TypeName="ListView控件的绑定.DAL.DataSetLinksTableAdapters.T_LinksTableAdapter" UpdateMethod="Update"> <DeleteParameters> <asp:Parameter Name="Original_Id" Type="Int64" /> </DeleteParameters> <InsertParameters> <asp:Parameter Name="SeqNo" Type="Int32" /> <asp:Parameter Name="SiteName" Type="String" /> <asp:Parameter Name="LinkType" Type="String" /> <asp:Parameter Name="SiteURL" Type="String" /> <asp:Parameter Name="LogeURL" Type="String" /> </InsertParameters> <UpdateParameters> <asp:Parameter Name="SeqNo" Type="Int32" /> <asp:Parameter Name="SiteName" Type="String" /> <asp:Parameter Name="LinkType" Type="String" /> <asp:Parameter Name="SiteURL" Type="String" /> <asp:Parameter Name="LogeURL" Type="String" /> <asp:Parameter Name="Original_Id" Type="Int64" /> </UpdateParameters> </asp:ObjectDataSource> <br /> <asp:ListView ID="ListView1" runat="server" DataKeyNames="Id" DataSourceID="ObjectDataSource1" EnableModelValidation="True" InsertItemPosition="LastItem" onitemcreated="ListView1_ItemCreated" oniteminserting="ListView1_ItemInserting" onitemupdating="ListView1_ItemUpdating" onitemdatabound="ListView1_ItemDataBound"> <EditItemTemplate> <tr style=""> <td> <asp:Button ID="UpdateButton" runat="server" CommandName="Update" Text="更新" /> <asp:Button ID="CancelButton" runat="server" CommandName="Cancel" Text="取消" /> </td> <td> <asp:TextBox ID="SeqNoTextBox" runat="server" Text=‘<%# Bind("SeqNo") %>‘ /> </td> <td> <asp:TextBox ID="SiteNameTextBox" runat="server" Text=‘<%# Bind("SiteName") %>‘ /> </td> <td> <asp:DropDownList ID="DropDownList1" runat="server" > <asp:ListItem Value="image">图片</asp:ListItem> <asp:ListItem Value="text">文本</asp:ListItem> </asp:DropDownList> </td> <td> <asp:TextBox ID="SiteURLTextBox" runat="server" Text=‘<%# Bind("SiteURL") %>‘ /> </td> <td> <asp:TextBox ID="LogeURLTextBox" runat="server" Text=‘<%# Bind("LogeURL") %>‘ /> </td> </tr> </EditItemTemplate> <EmptyDataTemplate> <table runat="server" style=""> <tr> <td> 未返回数据。</td> </tr> </table> </EmptyDataTemplate> <InsertItemTemplate> <tr style=""> <td> <asp:Button ID="InsertButton" runat="server" CommandName="Insert" Text="插入" ValidationGroup="insert"/> <asp:Button ID="CancelButton" runat="server" CommandName="Cancel" Text="清除" /> </td> <td> <asp:TextBox ID="SeqNoTextBox" runat="server" Text=‘<%# Bind("SeqNo") %>‘ ValidationGroup="insert"/> <asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" ErrorMessage="*" ControlToValidate="SeqNoTextBox" ValidationGroup="insert"></asp:RequiredFieldValidator> <asp:CompareValidator ID="CompareValidator1" runat="server" ErrorMessage="必须是整数" ControlToValidate="SeqNoTextBox" Type="Integer" Operator="DataTypeCheck" ValidationGroup="insert"></asp:CompareValidator> </td> <td> <asp:TextBox ID="SiteNameTextBox" runat="server" Text=‘<%# Bind("SiteName") %>‘ ValidationGroup="insert" /> <asp:RequiredFieldValidator ID="RequiredFieldValidator2" runat="server" ErrorMessage="*" ValidationGroup="insert" ControlToValidate="SeqNoTextBox"></asp:RequiredFieldValidator> </td> <td> <asp:DropDownList ID="DropDownList1" runat="server" ValidationGroup="insert" > <asp:ListItem Value="image">图片</asp:ListItem> <asp:ListItem Value="text">文本</asp:ListItem> </asp:DropDownList> </td> <td> <asp:TextBox ID="SiteURLTextBox" runat="server" Text=‘<%# Bind("SiteURL") %>‘ ValidationGroup="insert"/> <asp:RequiredFieldValidator ID="RequiredFieldValidator3" runat="server" ErrorMessage="*" ValidationGroup="insert" ControlToValidate="SiteURLTextBox"></asp:RequiredFieldValidator> </td> <td> <asp:TextBox ID="LogeURLTextBox" runat="server" Text=‘<%# Bind("LogeURL") %>‘ ValidationGroup="insert" /> </td> </tr> </InsertItemTemplate> <ItemTemplate> <tr style=""> <td> <asp:Button ID="DeleteButton" runat="server" CommandName="Delete" Text="删除" /> <asp:Button ID="EditButton" runat="server" CommandName="Edit" Text="编辑" /> </td> <td> <asp:Label ID="SeqNoLabel" runat="server" Text=‘<%# Eval("SeqNo") %>‘ /> </td> <td> <asp:Label ID="SiteNameLabel" runat="server" Text=‘<%# Eval("SiteName") %>‘ /> </td> <td> <asp:DropDownList ID="DropDownList1" runat="server" Enabled="false"> <asp:ListItem Value="image">图片</asp:ListItem> <asp:ListItem Value="text">文本</asp:ListItem> </asp:DropDownList> </td> <td> <asp:Label ID="SiteURLLabel" runat="server" Text=‘<%# Eval("SiteURL") %>‘ /> </td> <td> <asp:Label ID="LogeURLLabel" runat="server" Text=‘<%# Eval("LogeURL") %>‘ /> </td> </tr> </ItemTemplate> <LayoutTemplate> <table runat="server"> <tr runat="server"> <td runat="server"> <table ID="itemPlaceholderContainer" runat="server" border="0" style=""> <tr runat="server" style=""> <th runat="server"> </th> <th runat="server"> 序号</th> <th runat="server"> 网站名</th> <th runat="server"> 链接类型</th> <th runat="server"> 网站地址</th> <th runat="server"> Logo链接</th> </tr> <tr ID="itemPlaceholder" runat="server"> </tr> </table> </td> </tr> <tr runat="server"> <td runat="server" style=""> </td> </tr> </table> </LayoutTemplate> </asp:ListView> </div> </form> </body> </html>
服务端代码:
using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using System.Data; namespace ListView控件的绑定 { public partial class FriendLinks : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { } protected void ListView1_ItemInserting(object sender, ListViewInsertEventArgs e) { if(IsValid) { DropDownList ddlLinkType = (DropDownList)e.Item.FindControl("DropDownList1"); e.Values["LinkType"] = ddlLinkType.SelectedValue; } } protected void ListView1_ItemCreated(object sender, ListViewItemEventArgs e) { if (e.Item.ItemType == ListViewItemType.InsertItem) { DropDownList ddlLinkType = (DropDownList)e.Item.FindControl("DropDownList1"); TextBox txtBox = (TextBox)e.Item.FindControl("LogeURLTextBox"); if (ddlLinkType != null && txtBox != null ) { ddlLinkType.Attributes["onchange"] = "onLinkTypeChange(this,‘" + txtBox.ClientID + "‘)";//不知为什么加上这句话就不能插入 if (ddlLinkType.SelectedValue == "text") { ddlLinkType.Attributes["display"] = "none"; } } } } protected void ListView1_ItemUpdating(object sender, ListViewUpdateEventArgs e) { DropDownList ddlLinkType = (DropDownList)ListView1.Items[e.ItemIndex].FindControl("DropDownList1"); e.NewValues["LinkType"] = ddlLinkType.SelectedValue; } protected void ListView1_ItemDataBound(object sender, ListViewItemEventArgs e) { if (e.Item.ItemType == ListViewItemType.DataItem ) { DropDownList ddlLinkType = (DropDownList)e.Item.FindControl("DropDownList1"); ListViewDataItem lvdi = (ListViewDataItem)e.Item; DataRowView links = (DataRowView)lvdi.DataItem; if (ddlLinkType != null && links!=null) { var link = (ListView控件的绑定.DAL.DataSetLinks.T_LinksRow)links.Row; ddlLinkType.SelectedValue = link.LinkType; } } } } }
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