主题:  还有一个关于本站教程的问题

lichampion

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注册:2002/7/15 13:13:06
#12002/7/16 13:58:50
谢天谢地我终于作到第四章的更新数据库记录了,前面的步骤都过去了,而且浏览也正常,但是最后在application-server behaviors-updata record总是提示必须先建立记录集,可是我的记录集已经建立了,并且move to specific record 和文本框的数据绑定都试过正常呀,具体请看贴图,能给提示一下么?多谢了,有这样一个好地方,对了斑竹在那里高就的?
代码如下
%@LANGUAGE="VBSCRIPT" CODEPAGE="936"%>

<%
Dim Recordset1__MMColParam
Recordset1__MMColParam = "1"
If (Request.QueryString("ID") <> "") Then
Recordset1__MMColParam = Request.QueryString("ID")
End If
%>
<%
Dim Recordset1
Dim Recordset1_numRows

Set Recordset1 = Server.CreateObject("ADODB.Recordset")
Recordset1.ActiveConnection = MM_test2_STRING
Recordset1.Source = "SELECT * FROM 表1 WHERE ID = " + Replace(Recordset1__MMColParam, "'", "''") + ""
Recordset1.CursorType = 0
Recordset1.CursorLocation = 2
Recordset1.LockType = 1
Recordset1.Open()

Recordset1_numRows = 0
%>
<%
' *** Recordset Stats, Move To Record, and Go To Record: declare stats variables

Dim Recordset1_total
Dim Recordset1_first
Dim Recordset1_last

' set the record count
Recordset1_total = Recordset1.RecordCount

' set the number of rows displayed on this page
If (Recordset1_numRows < 0) Then
Recordset1_numRows = Recordset1_total
Elseif (Recordset1_numRows = 0) Then
Recordset1_numRows = 1
End If

' set the first and last displayed record
Recordset1_first = 1
Recordset1_last = Recordset1_first + Recordset1_numRows - 1

' if we have the correct record count, check the other stats
If (Recordset1_total <> -1) Then
If (Recordset1_first > Recordset1_total) Then
Recordset1_first = Recordset1_total
End If
If (Recordset1_last > Recordset1_total) Then
Recordset1_last = Recordset1_total
End If
If (Recordset1_numRows > Recordset1_total) Then
Recordset1_numRows = Recordset1_total
End If
End If
%>
<%
Dim MM_paramName
%>
<%
' *** Move To Record and Go To Record: declare variables

Dim MM_rs
Dim MM_rsCount
Dim MM_size
Dim MM_uniqueCol
Dim MM_offset
Dim MM_atTotal
Dim MM_paramIsDefined

Dim MM_param
Dim MM_index

Set MM_rs = Recordset1
MM_rsCount = Recordset1_total
MM_size = Recordset1_numRows
MM_uniqueCol = "ID"
MM_paramName = "id"
MM_offset = 0
MM_atTotal = false
MM_paramIsDefined = false
If (MM_paramName <> "") Then
MM_paramIsDefined = (Request.QueryString(MM_paramName) <> "")
End If
%>
<%
' *** Move To Specific Record: handle detail parameter

If (MM_paramIsDefined And MM_rsCount <> 0) Then

' get the value of the parameter
MM_param = Request.QueryString(MM_paramName)

' find the record with the unique column value equal to the parameter value
MM_offset = 0
Do While (Not MM_rs.EOF)
If (CStr(MM_rs.Fields.Item(MM_uniqueCol).value) = MM_param) Then
Exit Do
End If
MM_offset = MM_offset + 1
MM_rs.MoveNext
Loop

' if not found, set the number of records and reset the cursor
If (MM_rs.EOF) Then
If (MM_rsCount < 0) Then
MM_rsCount = MM_offset
End If
If (MM_size < 0 Or MM_size > MM_offset) Then
MM_size = MM_offset
End If
MM_offset = 0

' reset the cursor to the beginning
If (MM_rs.CursorType > 0) Then
MM_rs.MoveFirst
Else
MM_rs.Close
MM_rs.Open
End If
End If

End If
%>
<%
' *** Move To Record: if we dont know the record count, check the display range

If (MM_rsCount = -1) Then

' walk to the end of the display range for this page
MM_index = MM_offset
While (Not MM_rs.EOF And (MM_size < 0 Or MM_index < MM_offset + MM_size))
MM_rs.MoveNext
MM_index = MM_index + 1
Wend

' if we walked off the end of the recordset, set MM_rsCount and MM_size
If (MM_rs.EOF) Then
MM_rsCount = MM_index
If (MM_size < 0 Or MM_size > MM_rsCount) Then
MM_size = MM_rsCount
End If
End If

' if we walked off the end, set the offset based on page size
If (MM_rs.EOF And Not MM_paramIsDefined) Then
If (MM_offset > MM_rsCount - MM_size Or MM_offset = -1) Then
If ((MM_rsCount Mod MM_size) > 0) Then
MM_offset = MM_rsCount - (MM_rsCount Mod MM_size)
Else
MM_offset = MM_rsCount - MM_size
End If
End If
End If

' reset the cursor to the beginning
If (MM_rs.CursorType > 0) Then
MM_rs.MoveFirst
Else
MM_rs.Requery
End If

' move the cursor to the selected record
MM_index = 0
While (Not MM_rs.EOF And MM_index < MM_offset)
MM_rs.MoveNext
MM_index = MM_index + 1
Wend
End If
%>
<%
' *** Move To Record: update recordset stats

' set the first and last displayed record
Recordset1_first = MM_offset + 1
Recordset1_last = MM_offset + MM_size

If (MM_rsCount <> -1) Then
If (Recordset1_first > MM_rsCount) Then
Recordset1_first = MM_rsCount
End If
If (Recordset1_last > MM_rsCount) Then
Recordset1_last = MM_rsCount
End If
End If

' set the boolean used by hide region to check if we are on the last record
MM_atTotal = (MM_rsCount <> -1 And MM_offset + MM_size >= MM_rsCount)
%>


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<%
Recordset1.Close()
Set Recordset1 = Nothing
%>

图片如下:



5D荣誉版主

职务:普通成员
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#22002/7/16 14:26:48
转dw developer



lichampion

职务:普通成员
等级:1
金币:0.0
发贴:7
注册:2002/7/15 13:13:06
#32002/7/16 16:44:12
谁来帮帮我呀?到底为什么提示还要建立记录集呢?