.net+XML 动态管理目录结构

前几天看了篇关于此内容的帖子,但是都没有具体实现,自己做了一下,大家多批评吧
aspx:

<%@ Page language="c#" Codebehind="WebForm5.aspx.cs" AutoEventWireup="false" Inherits="test35.WebForm5" %>
2

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
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<HTML>
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<HEAD>
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<title>WebForm5</title>
6

</HEAD>
11

<body bottomMargin="0" leftMargin="0" topMargin="0" rightMargin="0">
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<form id="Form1" method="post" runat="server">
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<FONT face="宋体">
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<TABLE id="Table1" style="HEIGHT: 264px" cellSpacing="0" cellPadding="0" width="150%" border="0">
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<TR>
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<TD style="WIDTH: 24px"></TD>
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<TD style="WIDTH: 873px"></TD>
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<TD></TD>
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</TR>
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<TR>
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<TD style="WIDTH: 24px; HEIGHT: 281px"></TD>
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<TD style="WIDTH: 873px; HEIGHT: 281px"><asp:datagrid id="mydg" runat="server" AllowPaging="True" PageSize="6" AutoGenerateColumns="False"
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Width="862px" CellPadding="4" BackColor="White" BorderWidth="1px" BorderStyle="None" BorderColor="#3366CC">
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<SelectedItemStyle Font-Bold="True" ForeColor="#CCFF99" BackColor="#009999"></SelectedItemStyle>
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<ItemStyle ForeColor="#003399" BackColor="White"></ItemStyle>
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<HeaderStyle Font-Bold="True" Height="5px" ForeColor="#CCCCFF" BackColor="#003399"></HeaderStyle>
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<FooterStyle ForeColor="#003399" BackColor="#99CCCC"></FooterStyle>
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<Columns>
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<asp:TemplateColumn>
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<ItemTemplate>
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<asp:CheckBox id="cb" runat="server"></asp:CheckBox>
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</ItemTemplate>
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</asp:TemplateColumn>
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<asp:BoundColumn DataField="id" ReadOnly="True" HeaderText="序号"></asp:BoundColumn>
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<asp:BoundColumn DataField="name" HeaderText="友情链接名称">
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<HeaderStyle Width="50px"></HeaderStyle>
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<ItemStyle Wrap="False"></ItemStyle>
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</asp:BoundColumn>
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<asp:BoundColumn DataField="title" HeaderText="Title"></asp:BoundColumn>
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<asp:BoundColumn DataField="url" HeaderText="URL">
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<HeaderStyle Width="250px"></HeaderStyle>
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</asp:BoundColumn>
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<asp:TemplateColumn HeaderText="Target">
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<ItemTemplate>
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<asp:DropDownList id="ddl1" runat="server" Width="80px" Enabled="False"></asp:DropDownList>
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</ItemTemplate>
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<EditItemTemplate>
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<asp:DropDownList id="ddl2" runat="server" Width="80px">
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<asp:ListItem Value="_blank">_blank</asp:ListItem>
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<asp:ListItem Value="_self">_self</asp:ListItem>
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<asp:ListItem Value="parent">parent</asp:ListItem>
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<asp:ListItem Value="_top">_top</asp:ListItem>
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<asp:ListItem Value="main">main</asp:ListItem>
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<asp:ListItem Value="left">left</asp:ListItem>
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<asp:ListItem Value="right">right</asp:ListItem>
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<asp:ListItem Value="button">button</asp:ListItem>
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</asp:DropDownList>
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</EditItemTemplate>
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</asp:TemplateColumn>
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<asp:EditCommandColumn ButtonType="LinkButton" UpdateText="更新" CancelText="取消" EditText="编辑"></asp:EditCommandColumn>
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<asp:ButtonColumn Text="删除" CommandName="Delete"></asp:ButtonColumn>
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<asp:TemplateColumn>
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<ItemTemplate>
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<asp:LinkButton id="lb_add" runat="server" CommandName="add">添加</asp:LinkButton>
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</ItemTemplate>
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</asp:TemplateColumn>
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</Columns>
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<PagerStyle HorizontalAlign="Left" ForeColor="#003399" BackColor="#99CCCC" Mode="NumericPages"></PagerStyle>
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</asp:datagrid></TD>
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<TD style="HEIGHT: 281px"></TD>
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</TR>
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<TR>
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<TD style="WIDTH: 24px"></TD>
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<TD style="WIDTH: 873px"></TD>
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<TD></TD>
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</TR>
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<TR>
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<TD style="WIDTH: 24px"></TD>
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<TD style="WIDTH: 873px"><asp:checkbox id="cb_selAll" runat="server" Text="全选" AutoPostBack="True"></asp:checkbox> 
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<asp:button id="bt_del" runat="server" Width="72px" Text="删除所选"></asp:button></TD>
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<TD></TD>
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</TR>
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</TABLE>
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</FONT>
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</form>
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</body>
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</HTML>
89

cs:

using System;
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using System.Collections;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Web;
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using System.Web.SessionState;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using System.Web.UI.HtmlControls;
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using System.Data.SqlClient;
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using System.Xml;
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namespace test35
16

{
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/// <summary>
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/// WebForm5 的摘要说明。
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/// </summary>
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public class WebForm5 : System.Web.UI.Page
21

{
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protected System.Web.UI.WebControls.DataGrid mydg;
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protected System.Web.UI.WebControls.CheckBox cb_selAll;
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protected System.Web.UI.WebControls.Button bt_del;
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protected DataSet ds;
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protected string path = "";
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protected XmlDocument doc;
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protected string add_num_str="";
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protected int add_num_int = 0;
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protected int e_num = 0;
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private void Page_Load(object sender, System.EventArgs e)
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{
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if(!Page.IsPostBack)
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{
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bindgrid();
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}
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}
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Web 窗体设计器生成的代码
73

/// <summary>
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/// 棒定datagrid;
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/// </summary>
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private void bindgrid()
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{
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path ="d://test//navigator.xml";
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ds = new DataSet();
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ds.ReadXml(path);
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this.mydg.DataSource = ds;
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this.mydg.DataKeyField = "id";
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this.DataBind();
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///绑定DDL
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foreach(DataGridItem dgi in this.mydg.Items)
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{
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if(dgi.ItemType==ListItemType.Item||dgi.ItemType==ListItemType.AlternatingItem)
90

{
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object o = dgi.Cells[5].FindControl("ddl1");
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DropDownList ddl = (DropDownList)o;
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string itemValue = getvalue_DDL(ddl,dgi.ItemIndex);
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ddl.Items.Clear();
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ddl.Items.Add(itemValue);
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}
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}
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}
99

100

//--------------------------------------------------------------------------------------
101

/// <summary>
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/// 绑定grid 1次重载
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/// </summary>
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/// <param name="ddl_value">ddl的值</param>
105

private void bindgrid(string ddl_value)
106

{
107

path ="d://test//navigator.xml";
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ds = new DataSet();
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ds.ReadXml(path);
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this.mydg.DataSource = ds;
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this.mydg.DataKeyField = "id";
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this.DataBind();
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114

///绑定DDL
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foreach(DataGridItem dgi in this.mydg.Items)
116

{
117

if(dgi.ItemType==ListItemType.Item||dgi.ItemType==ListItemType.AlternatingItem)
118

{
119

if(dgi.ItemIndex==this.e_num)
120

{
121

object o = dgi.Cells[5].FindControl("ddl1");
122

DropDownList ddl = (DropDownList)o;
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string itemValue = ddl_value;
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ddl.Items.Clear();
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ddl.Items.Add(itemValue);
126

}
127

else
128

{
129

object o = dgi.Cells[5].FindControl("ddl1");
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DropDownList ddl = (DropDownList)o;
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string itemValue = getvalue_DDL(ddl,dgi.ItemIndex);
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ddl.Items.Clear();
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ddl.Items.Add(itemValue);
134

}
135

136

}
137

}
138

}
139

140

//-------------------------------------------------------------------------------------
141

/// <summary>
142

/// 从doc中取得值,放入datagrid的item里
143

/// </summary>
144

/// <param name="drop">dropdownlist的实例</param>
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/// <param name="num">所在行的索引</param>
146

/// <returns>xml中target的值</returns>
147

private string getvalue_DDL(System.Web.UI.WebControls.DropDownList drop,int num)
148

{
149

string text = "";
150

XmlNodeList nodelist = doc.SelectNodes("//link");
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text = nodelist[num].ChildNodes[3].InnerText;
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return text;
153

}
154

155

//--------------------------------------------------------------------------------------
156

/// <summary>
157

/// initxml 生成装载了navigator.xml的XmlDocument=doc;
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/// </summary>
159

private void initXML()
160

{
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doc = new XmlDocument();
162

doc.Load("d://test//navigator.xml");
163

}
164

165

//-------------------------------------------------------------------------------------
166

/// <summary>
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/// 编辑
168

/// </summary>
169

/// <param name="source"></param>
170

/// <param name="e"></param>
171

private void mydg_EditCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
172

{
173

this.mydg.EditItemIndex = e.Item.ItemIndex;
174

bindgrid();
175

}
176

177

//----------------------------------------------------------------------------------------
178

/// <summary>
179

/// 全选删除,调用link类
180

/// </summary>
181

/// <param name="sender"></param>
182

/// <param name="e"></param>
183

private void bt_del_Click(object sender, System.EventArgs e)
184

{
185

186

ArrayList list = new ArrayList();
187

foreach(DataGridItem dgi in this.mydg.Items)
188

{
189

190

if(dgi.ItemType==ListItemType.Item||dgi.ItemType==ListItemType.AlternatingItem)
191

{
192

193

CheckBox check = (CheckBox)dgi.FindControl("cb");
194

if(check!=null&&check.Checked==true)
195

{
196

197

list.Add(this.mydg.DataKeys[dgi.ItemIndex].ToString());
198

199

}
200

}
201

}
202

int num = list.Count;
203

204

test35.link alink =new link();
205

for(int i=0;i<num;i++)
206

{
207

alink.remove(list[i].ToString());
208

Response.Write("<script language='javascript'>alert('"+alink.Info.ToString()+"')</script>");
209

}
210

this.bindgrid();
211

}
212

213

//-----------------------------------------------------------------------------------------
214

/// <summary>
215

/// 取消
216

/// </summary>
217

/// <param name="source"></param>
218

/// <param name="e"></param>
219

private void mydg_CancelCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
220

{
221

this.mydg.EditItemIndex = -1;
222

bindgrid();
223

}
224

225

//-----------------------------------------------------------------------------------------
226

/// <summary>
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/// 全选操作
228

/// </summary>
229

/// <param name="sender"></param>
230

/// <param name="e"></param>
231

private void cb_selAll_CheckedChanged(object sender, System.EventArgs e)
232

{
233

foreach(DataGridItem dgi in this.mydg.Items)
234

{
235

236

if(dgi.ItemType==ListItemType.Item||dgi.ItemType==ListItemType.AlternatingItem)
237

{
238

239

CheckBox check = (CheckBox)dgi.FindControl("cb");
240

if(check!=null&&check.Checked==false)
241

{
242

check.Checked=true;
243

}
244

else if(check.Checked==true)
245

{
246

check.Checked = false;
247

}
248

}
249

}
250

}
251

252

//------------------------------------------------------------------------------------------
253

/// <summary>
254

/// 更新
255

/// </summary>
256

/// <param name="source"></param>
257

/// <param name="e"></param>
258

private void mydg_UpdateCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
259

{
260

string name = ((TextBox)e.Item.Cells[2].Controls[0]).Text;
261

string title = ((TextBox)e.Item.Cells[3].Controls[0]).Text;
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string url = ((TextBox)e.Item.Cells[4].Controls[0]).Text;
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string target = ((DropDownList)e.Item.Cells[5].FindControl("ddl2")).SelectedItem.Value;
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string id = this.mydg.DataKeys[e.Item.ItemIndex].ToString();
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string newID = id;
266

this.e_num = e.Item.ItemIndex;
267

link alink = new link();
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string[] values = {id,url,title,target,name};
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alink.update(id,url,title,target,name);
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this.mydg.EditItemIndex=-1;
271

this.bindgrid(target);
272

273

}
274

275

//--------------------------------------------------------------------------------------------
276

/// <summary>
277

/// 分页
278

/// </summary>
279

/// <param name="source"></param>
280

/// <param name="e"></param>
281

private void mydg_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
282

{
283

this.mydg.CurrentPageIndex = e.NewPageIndex;
284

this.bindgrid();
285

}
286

//--------------------------------------------------------------------------------------------
287

/// <summary>
288

/// 添加一行记录
289

/// </summary>
290

/// <param name="source"></param>
291

/// <param name="e"></param>
292

private void mydg_ItemCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
293

{
294

if(e.CommandName=="add")
295

{
296

object o = e.CommandSource;
297

LinkButton lb = (LinkButton)o;
298

this.add_num_str = this.mydg.DataKeys[e.Item.ItemIndex].ToString();
299

//lb.Click+=new EventHandler(lb_Click);
300

//Response.Write("<script language='javascript'>alert('"+this.add_num_str+"')</script>");
301

Response.Write("<script language='javascript'>alert('!')</script>");
302

int row_All = doc.SelectNodes("//link").Count;
303

this.add_num_int = Convert.ToInt32(this.add_num_str);
304

305

for(int i =this.add_num_int;i<row_All;i++)
306

{
307

XmlNodeList nodelist = doc.SelectNodes("//link");
308

int temp_id = Convert.ToInt32(nodelist[i].ChildNodes[0].InnerText);
309

temp_id += 1 ;
310

nodelist[i].ChildNodes[0].InnerText = temp_id.ToString();
311

}
312

313

XmlElement elem = doc.CreateElement("link");
314

//1
315

XmlNode node1 = doc.CreateNode(XmlNodeType.Element,"id",null);
316

int temp = this.add_num_int+1;
317

node1.InnerText =temp.ToString();
318

elem.AppendChild(node1);
319

320

//2
321

XmlNode node2 = doc.CreateNode(XmlNodeType.Element,"url",null);
322

node2.InnerText = "";
323

elem.AppendChild(node2);
324

325

//3
326

XmlNode node3 = doc.CreateNode(XmlNodeType.Element,"title",null);
327

node3.InnerText = "";
328

elem.AppendChild(node3);
329

330

//4
331

XmlNode node4 = doc.CreateNode(XmlNodeType.Element,"target",null);
332

node4.InnerText = "";
333

elem.AppendChild(node4);
334

335

//5
336

XmlNode node5 = doc.CreateNode(XmlNodeType.Element,"name",null);
337

node5.InnerText = "";
338

elem.AppendChild(node5);
339

340

XmlNode node_all = doc.SelectSingleNode("//links");
341

node_all.AppendChild(elem);
342

343

XmlNode oldNode = doc.SelectSingleNode("//link[./id='"+this.add_num_str+"']");
344

345

node_all.InsertAfter(elem,oldNode);
346

doc.Save("d://test//navigator.xml");
347

this.bindgrid();
348

349

}
350

}
351

352

353

//--------------------------------------------------------------------------------------------
354

355

/// <summary>
356

/// 删除使用 link.remove(string id)
357

/// </summary>
358

/// <param name="source"></param>
359

/// <param name="e"></param>
360

private void mydg_DeleteCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
361

{
362

string id = this.mydg.DataKeys[e.Item.ItemIndex].ToString();
363

link link_del =new link();
364

link_del.remove(id);
365

this.bindgrid();
366

Response.Write("<script language='javascript'>alert('"+link_del.Info+"')</script>");
367

}
368

//-----------------------------------------------------------------------------------------------
369

}
370

}
371

372

373

374

375

376

377

xml:

<?xml version="1.0" encoding="gb2312"?>
2

<links>
3

<link>
4

<id>1</id>
5

<url>http://172.17.5.170/web/Article/ViewColumn.aspx?Colid=7</url>
6

<title>VB</title>
7

<target>left</target>
8

<name>VB</name>
9

</link>
10

<link>
11

<id>2</id>
12

<url>http://172.17.5.170/web/Article/ViewColumn.aspx?Colid=11</url>
13

<title>VBScript</title>
14

<target>_self</target>
15

<name>VBScript</name>
16

</link>
17

<link>
18

<id>3</id>
19

<url>http://172.17.5.170/web/Article/ViewColumn.aspx?Colid=12</url>
20

<title>ASP</title>
21

<target>_blank</target>
22

<name>ASP</name>
23

</link>
24

<link>
25

<id>4</id>
26

<url>http://172.17.5.170/web/Article/ViewColumn.aspx?Colid=13</url>
27

<title>ASP.NET</title>
28

<target>_blank</target>
29

<name>ASP.NET</name>
30

</link>
31

<link>
32

<id>5</id>
33

<url>http://172.17.5.170/web/Article/ViewColumn.aspx?Colid=5</url>
34

<title>C#</title>
35

<target>_blank</target>
36

<name>C#</name>
37

</link>
38

<link>
39

<id>6</id>
40

<url>http://172.17.5.170/web/Article/ViewColumn.aspx?Colid=30</url>
41

<title>J#</title>
42

<target>_blank</target>
43

<name>J#</name>
44

</link>
45

<link>
46

<id>7</id>
47

<url>http://172.17.5.170/web/Article/ViewColumn.aspx?Colid=21</url>
48

<title>ADO.NET</title>
49

<target>_blank</target>
50

<name>ADO.NET</name>
51

</link>
52

<link>
53

<id>8</id>
54

<url>http://172.17.5.170/web/default.aspx</url>
55

<title>返回首页</title>
56

<target>_blank</target>
57

<name>返回首页</name>
58

</link>
59

<link>
60

<id>9</id>
61

<url>http://172.17.5.170/web/Article/ViewColumn.aspx?Colid=20</url>
62

<title>ADO</title>
63

<target>_blank</target>
64

<name>ADO</name>
65

</link>
66

<link>
67

<id>10</id>
68

<url>http://172.17.5.170/web/Article/ViewColumn.aspx?Colid=9</url>
69

<title>JAVA</title>
70

<target>_blank</target>
71

<name>JAVA</name>
72

</link>
73

<link>
74

<id>11</id>
75

<url>http://172.17.5.170/web/Article/ViewColumn.aspx?Colid=10</url>
76

<title>JavaScript</title>
77

<target>_self</target>
78

<name>JavaScript</name>
79

</link>
80

<link>
81

<id>12</id>
82

<url>http://172.17.5.170/web/Article/ViewColumn.aspx?Colid=14</url>
83

<title>HTML</title>
84

<target>_blank</target>
85

<name>HTML</name>
86

</link>
87

<link>
88

<id>13</id>
89

<url>http://172.17.5.170/web/Article/ViewColumn.aspx?Colid=15</url>
90

<title>XML</title>
91

<target>_blank</target>
92

<name>XML</name>
93

</link>
94

<link>
95

<id>14</id>
96

<url>http://172.17.5.170/web/Article/ViewColumn.aspx?Colid=16</url>
97

<title>CSS</title>
98

<target>_blank</target>
99

<name>CSS</name>
100

</link>
101

<link>
102

<id>15</id>
103

<url>http://172.17.5.170/web/Article/ViewColumn.aspx?Colid=3</url>
104

<title>C</title>
105

<target>_blank</target>
106

<name>C</name>
107

</link>
108

<link>
109

<id>16</id>
110

<url>http://172.17.5.170/web/Article/ViewColumn.aspx?Colid=4</url>
111

<title>C++</title>
112

<target>_blank</target>
113

<name>C++</name>
114

</link>
115

<link>
116

<id>17</id>
117

<url>http://172.17.5.170/web/Article/ViewColumn.aspx?Colid=6</url>
118

<title>Delphi</title>
119

<target>_blank</target>
120

<name>Delphi</name>
121

</link>
122

<link>
123

<id>18</id>
124

<url>http://172.17.5.170/web/Article/ViewColumn.aspx?Colid=30</url>
125

<title>PHP</title>
126

<target>_blank</target>
127

<name>PHP</name>
128

</link>
129

<link>
130

<id>19</id>
131

<url>http://172.17.5.170/web/Article/ViewColumn.aspx?Colid=5</url>
132

<title>.NET</title>
133

<target>_blank</target>
134

<name>.NET</name>
135

</link>
136

<link>
137

<id>20</id>
138

<url>http://172.17.5.170/web/resource/CSDN/CSDN论坛精华.html</url>
139

<title>CSDN论坛精华</title>
140

<target>_self</target>
141

<name>CSDN论坛精华</name>
142

</link>
143

<link>
144

<id>21</id>
145

<url>http://172.17.5.170/web/Article/ViewColumn.aspx?Colid=19</url>
146

<title>Database</title>
147

<target>_blank</target>
148

<name>Database</name>
149

</link>
150

<link>
151

<id>22</id>
152

<url>javascript:window.external.addFavorite('http://172.17.5.170/web/','Articles')</url>
153

<title>加入收藏</title>
154

<target>_self</target>
155

<name>加入收藏</name>
156

</link>
157

<link>
158

<id>23</id>
159

<url>http://172.17.5.170/web/Note/default.aspx?function=all</url>
160

<title>留言板</title>
161

<target>_blank</target>
162

<name>留言板</name>
163

</link>
164

<link>
165

<id>24</id>
166

<url>http://172.17.5.170/web/Download/default.aspx</url>
167

<title>下载</title>
168

<target>_blank</target>
169

<name>下载</name>
170

</link>
171

<link>
172

<id>25</id>
173

<url>http://172.17.5.170/web/Article/ViewColumn.aspx?Colid=22</url>
174

<title> PowerBuilder</title>
175

<target>_self</target>
176

<name>PowerBuilder</name>
177

</link>
178

<link>
179

<id>26</id>
180

<url>http://172.17.5.170/web/Article/column.htm</url>
181

<title>栏目查看</title>
182

<target>_blank</target>
183

<name>栏目查看</name>
184

</link>
185

<link>
186

<id>27</id>
187

<url>http://172.17.5.170/web/Article/ViewColumn.aspx?Colid=24</url>
188

<title>Novel</title>
189

<target>_blank</target>
190

<name>Novel</name>
191

</link>
192

<link>
193

<id>28</id>
194

<url>http://172.17.5.170/web/Article/searchArticle.aspx</url>
195

<title>文章搜索</title>
196

<target>_blank</target>
197

<name>文章搜索</name>
198

</link>
199

<link>
200

<id>29</id>
201

<url>http://172.17.5.170/web/blog/course.htm</url>
202

<title>个人Blog</title>
203

<target>_blank</target>
204

<name>个人Blog</name>
205

</link>
206

<link>
207

<id>30</id>
208

<url>http://172.17.5.170/web/contract.aspx</url>
209

<title>联系我们</title>
210

<target>_blank</target>
211

<name>联系我们</name>
212

</link>
213

<link>
214

<id>31</id>
215

<url>http://172.17.5.170/web/Article/default.aspx</url>
216

<title>文章系统</title>
217

<target>parent</target>
218

<name>文章系统</name>
219

</link>
220

<link>
221

<id>32</id>
222

<url>http://172.17.5.170/web/Article/ViewColumn.aspx?Colid=35</url>
223

<title>Linux系统</title>
224

<target>_blank</target>
225

<name>Linux</name>
226

</link>
227

</links>

posted on 2006-04-26 15:20 komazhang 阅读(760) 评论(0) 收藏举报

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