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📄 delqueren.asp

📁 tushuguanlixitong 图书借阅系统 用ASP实现的 能实现简单的功能
💻 ASP
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<html>

<head>
<meta http-equiv="Content-Language" content="zh-cn">
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>确认删除!</title>
</head>

<body bgcolor=#FF6600>

<%
dim bookno
dim bookname
dim lendnumber
dim flag 
flag = 1

bookno = request.Form("bookno")
bookname = request.Form("bookname")

 if (bookno="" ) or (bookname="") then 
  
%>


<table border="1" width="100%" id="table1">
	<tr>
		<td>
		<p align="center"><b><font size="4">请填写要删除书目的完整信息!</font></b></td>
	</tr>
	<tr>
		<td>
		<p align="center"> </td>
	</tr>
	<tr>
		<td>
		<p align="center"><b>请<a href="admbooklist.asp">返回</a>重新填写!</b></td>
	</tr>
</table>
<%  flag = 0
   else
   
      if  not(isnumeric(bookno)) then 
 %>
 <table border="1" width="100%">
	<tr>
		<td align="center"><b><font size="4"> 书号必须为数字!</font></b></td>
	</tr>
	<tr>
		<td align="center"> </td>
	</tr>
	<tr>
		<td align="center"><b><font size="4">请<a href="admbooklist.asp">返回</a>! </font></b></td>
	</tr>
	</table>
 
 <%   flag = 0
          
      end if
  end if
%>
<%

if (flag = 1) then 

strConn = "DSN=dblib;uid=;pwd=;database=db"
strSQL ="select * from Tbook where bookno = " & bookno & "and bookname = '"& bookname &"'" 

set objrst = GetADORecordset(strConn,strSQL)
      
      if objrst.bof and objrst.eof then
         
%>      
     
     <table border="0" width="100%">
		<tr>
			<td align="center"><font size=5 color=navy><b>您输入的书号和书名不符!请重新输入!</td>
		</tr>
		<tr>
			<td align="center"> </td>
		</tr>
		<tr>
			<td align="center"><font size=5 color=navy><b>
			<a href="admbooklist.asp">返回</a></td>
		</tr>
		</table>
	
	     
 	 <%  flag = 0 
 	 else 
 	  lendnumber = objrst.fields("lendnumber")
 	   	 
 	 End if		   
 
ENd if  
 %>   
<%	
     if  (flag = 1) then 
     
       if (lendnumber >=1) then 
 %>
 <table border="1" width="100%">
		<tr>
			<td align="center"><b><font size="4"> 用户还有借书未返还,禁止删除!</font></b></td>
		</tr>
		<tr>
			<td align="center"> </td>
		</tr>
		<tr>
			<td align="center"><b><font size="4"> 请<a href="admbooklist.asp">返回</a>!</font></b></td>
		</tr>
	</table>
<% 
else      
    dim strConn1
	dim strSQL1
	dim objrst1
	strConn1 = "DSN=dblib;uid=;pwd=;database=db"
	strSQL1 = "delete from Tbook where bookno = " & bookno & " and bookname = '" & bookname & "'"
 	
     
	Set Conn1 = Server.CreateObject("ADODB.Connection")
	Set objrst1= Server.CreateObject("ADODB.Recordset")
	Conn1.Open strConn1
	
	objrst1.Open strSQL1, Conn1, 0, 1
	Conn1.Close
	Set Conn1 = Nothing
	
	
%>


<table border="1" width="100%" height="59%" id="table1">
	<tr>
		<td align="center" height="36"><b><font size="4">书籍删除成功</font></b></td>
	</tr>
	<tr>
		<td align="center"></td>
	</tr>
	<tr>
		<td height="38">
		<p align="center"><b><a href="admbooklist.asp">返回</a> </b></td>
	</tr>
</table>

<%	
	
	end if
	
End if	
	
%>

</body>

</html>
<%
'======================================================================
'  GetADORecordset -- Gets an ADO recordset given a connectionstring,
'  sql query string.
'
'==============================
Function GetADORecordset(strConn, strSQL)
	On Error Resume Next
	 
	Dim objConnection
	Dim objRecordset
	
	Err.Clear 
	
	' Setup an ADO connection to the database:
	Set objConnection = Server.CreateObject("ADODB.Connection")
    Set objRecordset = Server.CreateObject("ADODB.Recordset")
    
    objConnection.ConnectionString = strConn
    objConnection.Open
    Set objRecordset.ActiveConnection = objConnection
    objRecordset.Source = strSQL
    objRecordset.CursorLocation = 3
    objRecordset.Open
	
	If Err Then
		Set GetADORecordset = Nothing
		If Not HaveError() Then
			SetError "GetADORecordset", Err.number, Err.Description
		End If
	Else
		Set GetADORecordset = objRecordset
	End If 
End Function

%>

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