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for Delphi 6/7 you can use StrToIntDef function instead of StrToInt for error warning,<br />
for example:<br />
if not IsValidDate(StrToIntDef(by<wbr />ear.Text, 0),StrToIntDef(bmonth.Text<wbr />, 0),StrToIntDef(bdays.Text,<wbr /> 0)) then
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for Delphi 6/7 you can use StrToIntDef function instead of StrToInt for error warning,
for example:
if not IsValidDate(StrToIntDef(byear.Text, 0),StrToIntDef(bmonth.Text, 0),StrToIntDef(bdays.Text, 0)) then

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<div class="content wysiwyg-content">
byear , bmonth and bdays are comboboxs (3 comboboxs ).<br />
when I try to run it I finde this massage<br />
[Error] add.pas(210): Incompatible types: 'Word' and 'WideString'<br />
<br />
if not IsValidDate(byear.text,bmo<wbr />nth.text,b<wbr />days.text)<wbr /> then<br />
&nbsp; &nbsp;begin<br />
&nbsp; &nbsp;ShowMessage('It is not correct date');<br />
&nbsp; &nbsp;bdays.SetFocus ;<br />
&nbsp; &nbsp;Abort;<br />
&nbsp; &nbsp;end;<br />

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byear , bmonth and bdays are comboboxs (3 comboboxs ).
when I try to run it I finde this massage
[Error] add.pas(210): Incompatible types: 'Word' and 'WideString'

if not IsValidDate(byear.text,bmonth.text,bdays.text) then
   begin
   ShowMessage('It is not correct date');
   bdays.SetFocus ;
   Abort;
   end;


convert  Word to WideString

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