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来自「以电子书的形式收集了VB一些常见问题解决方法,可以很方便的查找自己需要解决的问题」· HTML 代码 · 共 22 行

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    <title>Re: 请问错在那里 ?</title>
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      <h1>Re: 请问错在那里 ?</h1>
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Posted by <a href="mailto:koi@arco.org.tw">Koi</a> on June 10, 1998 at 01:53:02:<p>
In Reply to: <a href="3160.html"><b>请问错在那里 ?</b></a> posted by 普罗米修斯 on June 09, 1998 at 10:48:01:<p>
: 执行以下程式码 , 出  " 形态不符  "  :<p>:         Dim SQL As String<br>:         Dim Rate As Single<br>:         <br>:         Dim db As Database<br>:         Set db = OpenDatabase("C:\AA\AA.MDB")<br>:                 <br>:         Rate = Form.Text3<br>:                 <br>:         SQL = "UPDATE SQLTABLE SET Price = Price * "  & " " + Rate + " " & " WHERE Currency = 'HK$'"<br>:         db.Execute SQL<p>: 请问错在那里 ?<p>Rate 是 Single, 而 "+" 只能用在纯文字字串的相加, 不同型态的资料间<br>要当成字串相加, 要用 "&".<br>
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