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Boldizsar,<br />
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What Database are you using?<br />
Youre talking about TField - which development tool are you using?<br />

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Boldizsar,

What Database are you using?
Youre talking about TField - which development tool are you using?


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Sounds like the Tool is Delphi. &nbsp;If so, what component are you using to enter the data into the TField; TDBEdit?<br />
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Sounds like the Tool is Delphi.  If so, what component are you using to enter the data into the TField; TDBEdit?



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i'm entering an value in a Tfield. When I change the value everuthing it'OK, but when the field is empty it dosn't run the ONVALIDATE function to get the items to verify the Tfield variable's value. I have problem at the TField variable VALIDATE.
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i'm entering an value in a Tfield. When I change the value everuthing it'OK, but when the field is empty it dosn't run the ONVALIDATE function to get the items to verify the Tfield variable's value. I have problem at the TField variable VALIDATE.

Validating data entries !

Databases are organized collections of data, most commonly accessed through management systems including schemas, tables, queries and processes that allow users to enter and manipulate the information or utilize it in other fashions, such as with web applications or for reporting purposes.