菜鸟学ADO实例教程之ADO 删除记录

王朝other·作者佚名  2006-11-24
宽屏版  字体: |||超大  

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我们可以使用SQL DELETE命令来删除表中的一个记录,和添加记录的方法一样,首先列出记录内容

<html>

<body>

<%

set conn=Server.CreateObject("ADODB.Connection")

conn.Provider="Microsoft.Jet.OLEDB.4.0"

conn.Open "e:/webjx/webjx.mdb"

set rs=Server.CreateObject("ADODB.Recordset")

rs.open "SELECT * FROM customers",conn

%>

<h2>数据库的内容列表</h2>

<table border="1" width="100%">

<tr>

<%

for each x in rs.Fields

response.write("<th>" & ucase(x.name) & "</th>")

next

%>

</tr>

<% do until rs.EOF %>

<tr>

<form method="post" action="demo_delete.asp">

<%

for each x in rs.Fields

if x.name="customerID" then%>

<td>

<input type="submit" name="customerID" value="<%=x.value%>">

</td>

<%else%>

<td><%Response.Write(x.value)%></td>

<%end if

next

%>

</form>

<%rs.MoveNext%>

</tr>

<%

loop

conn.close

%>

</table>

</body>

</html>

具体的删除程序:demo_delete.asp

<html>

<body>

<h2>Delete Record</h2>

<%

set conn=Server.CreateObject("ADODB.Connection")

conn.Provider="Microsoft.Jet.OLEDB.4.0"

conn.Open "e:/webjx/webjx.mdb"

cid=Request.Form("customerID")

if Request.form("companyname")="" then

set rs=Server.CreateObject("ADODB.Recordset")

rs.open "SELECT * FROM customers WHERE customerID='" & cid & "'",conn

%>

<form method="post" action="demo_update.asp">

<table>

<%for each x in rs.Fields%>

<tr>

<td><%=x.name%></td>

<td><input name="<%=x.name%>" value="<%=x.value% >"></td>

<%next%>

</tr>

</table>

<br /><br />

<input type="submit" value="删除记录">

</form>

<%

else

sql="DELETE FROM customers"

sql=sql & " WHERE customersID='" & cid & "'"

on error resume next

conn.Execute sql

if err<>0 then

response.write("No update permissions!")

else

response.write("Record " & cid & " was deleted!")

end if

end if

conn.close

%>

</body>

</html>

教程就写到这里,希望对初学ASP的朋友有所帮助,我就感到欣慰了,同时希望高手给指点。

 
 
 
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