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Instance programming: Writing a message book with asp.net and access

Source: Internet
Author: User
Tags net access
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　1, the use of access to build a database data.mdb, the establishment of table guest, the structure is as follows:

ID Auto Number
Title string
Signature string
Body notes.

2, Guest.aspx


<%@ Import namespace= "System.Data"%>
<%@ Import namespace= "System.Data.OleDb"%>
<style>
<!--
BODY{FONT-SIZE:9PT}
P{FONT-SIZE:9PT}
TD{FONT-SIZE:9PT}
-->
</style>
<title> Message Book </title><body>
<p align=right><font size=6> Message book </font></p>
<script LANGUAGE=VB runat=server>
Sub Page_Load (Source as Object, E as EventArgs)
Dim myconn as New OleDbConnection ("Provider=Microsoft.Jet.OLEDB.4.0;D ata source=" & Server.MapPath ("Data.mdb"))
Dim Myadapter as New OleDbDataAdapter
Dim Myoledbcommandbuilder as OleDbCommandBuilder = New OleDbCommandBuilder (myadapter)
Dim DS as DataSet = New DataSet
Myadapter.selectcommand = new OleDbCommand ("SELECT ID, title, signature from Guest order by ID Desc", myconn)
MyConn.Open ()
Myadapter.fill (ds, "Guest")
ml. Datasource=ds. Tables ("Guest"). DefaultView
ml. DataBind ()
End Sub
</script>
<asp:datagrid id= "ml" runat= "Server"
Width= "100%"
Bordercolor= "BLACK"
Showfooter= "false"
Cellpadding=3
cellspacing= "0"
Font-name= "Song Body"
Font-size= "9pt"
Headerstyle-backcolor= "#ddaacc"
Enableviewstate= "false"
>
<Columns>
<asp:hyperlinkcolumn
datanavigateurlfield= "id"
datanavigateurlformatstring= "See.asp?id={0}"
text= "see!"
target= "_new"
/>
</Columns>

</asp:DataGrid>
<br><br><font size=5> I want to leave a message </font><br>
<form Method=post action=send.aspx>
Title: <input Type=text name=title><br>
Signature: <input Type=text name=name><br>
Content: <textarea name=body></textarea><br>
<input type=submit>
</form>

3, Send.aspx

  < %@ Import namespace= "System.Data.OleDb"%>
  <script language=vb runat=server>
   sub Page_Load (Source as Object, E as EventArgs)
   Dim myconn as New OleDbConnection ("Provider=microso Ft. jet.oledb.4.0;D ata source= "& Server.MapPath (" Data.mdb "))
   Dim myinsertquery as String =" INSERT INTO Guest (title, signature, content) VALUES (@# "& Request (" title ") &" @#, @# "& Request (" name ") &" @#, @# "& Request (" Body ") &" @# "
   Dim Myoledbcommand as New OleDbCommand (myinsertquery)
   Myoledbcommand.connection = myconn
   myconn.open ()
   myoledbcommand.executenonquery ()
   myOleDbCommand.Connection.Close ()
   Response.Redirect ("guest.aspx")
   end Sub
  </script>  

4, see.asp (display a single data rather than using ASP)

<style>
<!--
BODY{FONT-SIZE:9PT}
P{FONT-SIZE:9PT}
TD{FONT-SIZE:9PT}
-->
</style>
<title> View Message </title><body>
<p align=right><font size=6> View message </font></p>
<%
Id=request ("id")
Set Cn=server.createobject ("ADODB. CONNECTION ")
Cn.open "dbq=" + Server.MapPath ("Data.mdb") + ";D efaultdir=; Driver={microsoft Access DRIVER (*.mdb)};
Set Rs=server.createobject ("Adodb.recordset")
Rs.Open "SELECT * from guest where id=" & ID, CN
%>
id:<% = ID%><br>
Title: <% = rs ("title")%><br>
Signature: <% = rs ("signature")%><br>
Content: <br><% = rs ("content")%><br>
<a href= "guest.aspx" > Return </a>



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