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    <title>Re: Answer for &quot; DataEnvironment&quot;</title>
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      <h1>Re: Answer for &quot; DataEnvironment&quot;</h1>
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Posted by Spencer Yang on April 25, 1999 at 23:32:03:<p>
In Reply to: <a href="12345.html">Re: 急救  !!  DataEnvironment</a> posted by gg on April 24, 1999 at 22:42:48:<p>
请参阅王国荣编着《visual Basic 6.0 资料库程式设计》第11章之deParm2.vbp<p><br>*** DataEnvironment1 设定如下<p>COMMAND1.TAB("内容")<br>出现下列鈙述<br>SELECT * FROM MYTABLE WHERE (FILED1 = ?)<p><br>COMMAND1.TAB("参数")<br>参数属性填列<br>.资料流入: 流入<br>.资料型态: adVariant(请视自己对资料定义选择)<p><br>***表单上有<br>Command1(按钮)<br>DataCombo11<br>Text1<p>Private Sub Command1_Click()<br>    '先判断 command物件的资料录集合是否关闭中<br>    If DataEnvironment1.rsCommand1.State <> adStateClosed Then<br>        DataEnvironment1.rsCommand1.Close<br>    End If<br>    <br>    ' 读取 Text2 设定给参数一<br>    DataEnvironment1.Commands("Command1").Parameters(0) = Text1.Text<br>    <br>    'DataEnvironment1.Commands("Command1").Parameters(1) = Text2.Text<br>    <br>    Set DataCombo1.RowSource = DataEnvironment1<br>    DataCombo1.RowMember = "Command1"<br>    '结合显示栏位<br>    DataCombo1.ListField = "AName"<br>End Sub<p>至于text1_keypress()怎么写,请比照comman1_click()<br>而dataCombo2如何由dataCombo1内容决定,只要将datacombo1的结果放置于label1之中(Visual=false),<br>datacombo2之作法则比煦上述作法即可。
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