xml| process
First step: Create the DB folder in the project file and create the Db.xml document in the DB folder. Db.xml structure contains only:<group></group>
Step Two: Create a new message and display two images: Messageadd.aspx and messagelist.aspx. Below are two pages of foreground and background source.
1.messageadd.aspx
<%@ Page language= "C #" codebehind= "MessageAdd.aspx.cs" autoeventwireup= "false" inherits= "Xmlguest.messageadd"% >
<! DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 transitional//en" >
<HTML>
<HEAD>
<title>MessageAdd</title>
<meta content= "Microsoft Visual Studio 7.0" name= "Generator" >
<meta content= "C #" Name= "Code_language" >
<meta content= "JavaScript" name= "vs_defaultClientScript" >
<meta content= "http://schemas.microsoft.com/intellisense/ie5" name= "Vs_targetschema" >
<style>. TXT1 {
font-size:12px
}
</style>
</HEAD>
<body>
<form id= "Messageadd" method= "POST" runat= "Server" >
<font face= "Song Body" >
<P> </P>
<p align= "center" >
<table class= "Txt1" id= "Table1" cellspacing= "1" cellpadding= "4" width= "749" bgcolor= "#efefef"
border= "0" >
<TR>
<TD bgcolor= "#e8dabd" > Your name </TD>
<TD style= "width:508px" bgcolor= "#ffffff" ><asp:textbox id= "Textboxuname" runat= "Server" leavesql= "False" Leaveformat= "false" Htmlencode= "false"
Width= "519px" maxlength= "ten" cssclass= "Textareaclass" ></asp:textbox></TD>
<TD bgcolor= "#ffffff" colspan= "1" rowspan= "1" ></TD>
</TR>
<TR>
<TD bgcolor= "#e8dabd" colspan= "1" rowspan= "1" >E-Mail</TD>
<TD style= "width:505px" bgcolor= "#ffffff" >
<p><asp:textbox id= "Textboxmail" runat= "Server" leavesql= "false" leaveformat= "false" Htmlencode= "false"
Width= "519px" maxlength= "cssclass=" Textareaclass "></asp:textbox></P>
</TD>
<TD bgcolor= "#ffffff" colspan= "1" rowspan= "1" ><BR>
</TD>
</TR>
<TR>
<TD bgcolor= "#e8dabd" colspan= "1" rowspan= "1" > Content </TD>
<TD style= "width:505px" bgcolor= "#ffffff" >
<p><asp:textbox id= "Textboxtxt" runat= "Server" leavesql= "false" leaveformat= "True" htmlencode= "false"
Width= "519px" textmode= "MultiLine" height= "160px" ></asp:textbox></P>
</TD>
<TD bgcolor= "#ffffff" colspan= "1" rowspan= "1" ></TD>
</TR>
</TABLE>
</P>
<p align= "center" ><asp:button id= "Button1" runat= "Server" cssclass= "Textareaclass" text= "Submit" ></asp: Button>
<input class= "Textareaclass" onclick= "Window.location.replace (messagelist.aspx)" type= "button"
Value= "Back" ></P>
</FONT>
</form>
</body>
</HTML>
MessageAdd.cs
Using System;
Using System.Collections;
Using System.ComponentModel;
Using System.Data;
Using System.Drawing;
Using System.Web;
Using System.Web.SessionState;
Using System.Web.UI;
Using System.Web.UI.WebControls;
Using System.Web.UI.HtmlControls;
Using System.Xml;
Namespace Xmlguest
{
<summary>
Summary description of the Messageadd.
</summary>
public class MessageAdd:System.Web.UI.Page
{
protected System.Web.UI.WebControls.TextBox textboxuname;
protected System.Web.UI.WebControls.TextBox Textboxmail;
protected System.Web.UI.WebControls.TextBox textboxtxt;
protected System.Web.UI.WebControls.Button Button1;
private void Page_Load (object sender, System.EventArgs e)
{
}
#region Web Form Designer generated code
Override protected void OnInit (EventArgs e)
{
//
CodeGen: This call is required for the ASP.net Web forms Designer.
//
InitializeComponent ();
Base. OnInit (e);
}
<summary>
Designer supports required methods-do not use the Code editor to modify
The contents of this method.
</summary>
private void InitializeComponent ()
{
This. Button1.Click + = new System.EventHandler (this. Button1_Click);
This. Load + = new System.EventHandler (this. Page_Load);
}
#endregion
private void Button1_Click (object sender, System.EventArgs e)
{
XmlDocument doc = new XmlDocument ();
Doc. Load (MapPath ("Db\\db.xml"));
XmlNode node = doc. CreateElement ("Item");
XmlAttribute xmlattr = doc. CreateAttribute ("UserName");
Xmlattr. Value = Xmlconvert.decodename (Textboxuname.text);
Node. Attributes.append (XMLATTR);
Xmlattr = doc. CreateAttribute ("UserEmail");
Xmlattr. Value = Xmlconvert.decodename (Textboxmail.text);
Node. Attributes.append (XMLATTR);
Xmlattr = doc. CreateAttribute ("Content");
Xmlattr. Value = Xmlconvert.decodename (Textboxtxt.text);
Node. Attributes.append (XMLATTR);
Xmlattr = doc. CreateAttribute ("Sendtime");
Xmlattr. Value = Xmlconvert.decodename (DateTime.Now.ToString ());
Node. Attributes.append (XMLATTR);
Doc. Childnodes[0]. AppendChild (node);
Doc. Save (MapPath ("Db\\db.xml"));
Response.Redirect ("messagelist.aspx");
}
}
}
2.messagelist.aspx
<%@ Page language= "C #" codebehind= "MessageList.aspx.cs" autoeventwireup= "false" inherits= "xmlguest.messagelist"% >
<! DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 transitional//en" >
<HTML>
<HEAD>
<title>MessageList</title>
<meta name= "generator" content= "Microsoft Visual Studio 7.0" >
<meta name= "Code_language" content= "C #" >
<meta name= "vs_defaultClientScript" content= "JavaScript" >
<meta name= "vs_targetschema" content= "http://schemas.microsoft.com/intellisense/ie5" >
<style>
. body {FONT-SIZE:12PX}
. TD1 {font-size:12px}
</style>
</HEAD>
<body class= "Body" >
<form id= "Messagelist" method= "POST" runat= "Server" >
<p align= "Right" >
<asp:hyperlink id= "GrowHyperLink1" runat= "Server" text= "[message]" navigateurl= "messageadd.aspx" ></asp: Hyperlink>
</P>
<p align= "center" ><font face= "song Body" ></font><font face= "song Body" ></FONT><BR>
<asp:datagrid id= "DataList1" runat= "Server" autogeneratecolumns= "false" Showheader= "false" pagesize= "15"
Borderstyle= "None" borderwidth= "0px" cellpadding= "4" font-size= "12px" >
<Columns>
<asp:TemplateColumn>
<ItemTemplate>
<table id= "Table7" bordercolor= "#efefef" cellspacing= "0" cellpadding= "4" width= "749" bgcolor= "#efefef"
border= "1" >
<tr class= "TD1" bgcolor= "#fafafa" >
<TD style= "width:200px" bgcolor= "#ffffff" ><STRONG> name:</strong>
<asp:label id=label5 runat= "Server" text=<%# DataBinder.Eval (Container, "Dataitem.username"). ToString ()%>>
</asp:Label>
</TD>
<TD style= "width:150px" bgcolor= "#ffffff" ><strong><font face= "song body" > Time </font></strong ><strong><font face= "Song Body" >:</FONT></STRONG>
<asp:label id=label4 runat= "Server" text=<%# DataBinder.Eval (Container, "Dataitem.sendtime"). ToString ()%>>
</asp:Label></TD>
<TD bgcolor= "#ffffff" ><strong>e-mail</strong><strong>:
<asp:hyperlink id=hyperlink1 runat= "server" navigateurl=<%# "mailto:" +databinder.eval (Container, " Dataitem.useremail "). ToString ()%> text=<%# DataBinder.Eval (Container, "Dataitem.useremail"). ToString ()%>>
</asp:HyperLink></STRONG></TD>
</TR>
<tr class= "TD1" >
<TD bgcolor= "#ffffff" colspan= "3" >
<asp:label id=label1 runat= "Server" text=<%# DataBinder.Eval (Container, "dataitem.content"). ToString ()%>>
</asp:Label></TD>
</TR>
</TABLE>
</ItemTemplate>
</asp:TemplateColumn>
</Columns>
<pagerstyle visible= "False" ></PagerStyle>
</asp:DataGrid>
</P>
</form>
</body>
</HTML>
MessageList.cs
Using System;
Using System.Collections;
Using System.ComponentModel;
Using System.Data;
Using System.Drawing;
Using System.Web;
Using System.Web.SessionState;
Using System.Web.UI;
Using System.Web.UI.WebControls;
Using System.Web.UI.HtmlControls;
Using System.IO;
Using System.Xml;
Namespace Xmlguest
{
<summary>
Summary description of the messagelist.
</summary>
public class MessageList:System.Web.UI.Page
{
protected HyperLink GrowHyperLink1;
protected System.Web.UI.WebControls.DataGrid DataList1;
private void Page_Load (object sender, System.EventArgs e)
{
FileStream stream = new FileStream (Server.MapPath ("Db\\db.xml"), FileMode.Open);
Try
{
XmlDataDocument doc = new XmlDataDocument ();
Doc. DataSet.ReadXML (new StreamReader (stream));
if (Doc. DataSet.Tables.Count!= 0 && Doc. Dataset.tables[0]. rows.count!=0)
{
Datalist1.datasource = doc. Dataset.tables[0]. DefaultView;
Datalist1.databind ();
}
Stream. Close ();
}
catch (Exception ding)
{
Response.Write (Ding. message);
}
Finally
{
Stream. Close ();
}
}
#region Web Form Designer generated code
Override protected void OnInit (EventArgs e)
{
//
CodeGen: This call is required for the ASP.net Web forms Designer.
//
InitializeComponent ();
Base. OnInit (e);
}
<summary>
Designer supports required methods-do not use the Code editor to modify
The contents of this method.
</summary>
private void InitializeComponent ()
{
This. Load + = new System.EventHandler (this. Page_Load);
}
#endregion
}
}
