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Hi Bob<br>
I'd use <br>
if DBEdit2.Text <> '' then<br>
DBCheckBox4.Enabled := true<br>
else<br>
DBCheckBox4.Enabled := false<br>
<br>
Ian<br>
<br>
<br>
On 27/04/2010 10:52 a.m., David O'Brien wrote:
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<p class="MsoNormal"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);">Why
the four quotes in the false and a space in the true?<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);">I
would use something like:<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";">DBCheckBox4.Enabled
:=
not (DBEdit2.Text = '') ;</span><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);"><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);"><o:p> </o:p></span></p>
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style="border-style: solid none none; border-color: rgb(181, 196, 223) -moz-use-text-color -moz-use-text-color; border-width: 1pt medium medium; padding: 3pt 0cm 0cm;">
<p class="MsoNormal"><b><span
style="font-size: 10pt; font-family: "Tahoma","sans-serif";"
lang="EN-US">From:</span></b><span
style="font-size: 10pt; font-family: "Tahoma","sans-serif";"
lang="EN-US"> <a class="moz-txt-link-abbreviated" href="mailto:delphi-bounces@delphi.org.nz">delphi-bounces@delphi.org.nz</a>
[<a class="moz-txt-link-freetext" href="mailto:delphi-bounces@delphi.org.nz">mailto:delphi-bounces@delphi.org.nz</a>] <b>On Behalf Of </b>Bob Pawley<br>
<b>Sent:</b> Tuesday, 27 April 2010 10:39 a.m.<br>
<b>To:</b> NZ Borland Developers Group - Delphi List<br>
<b>Subject:</b> [DUG] Enable CheckBox<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";">Hi</span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";">I
am attempting to enable a checkbox only when a DBEdit has a value.
(Disabled
when no string in DBEdit.)</span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";">Following
is my code which disables the CheckBox after a delete from the DBEdit.</span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";">But
it is not enabled when I add a string to the DBEdit.</span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";">------</span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";">procedure
TForm4.DBEdit2Change(Sender: TObject);<br>
begin</span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";">
if<br>
DBEdit2.Text = ' '</span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";">
then<br>
DBCheckBox4.Enabled := True</span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";">
Else if DBEdit2.Text = ''''</span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";">
then<br>
DBCheckBox4.Enabled := False ;</span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";">end;</span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";">Thanks
for any help.</span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";">Bob</span><o:p></o:p></p>
</div>
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