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Forms : Input Values Check (restrict input values)

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Posted on by yasu

I have simple form in which user input values

Requirement : I dont want to allow the user to input the following values in a field

colon, hyphen

I also want to disallow values greater than 12 digits ...

I want error in these cases ..how can I acheive that?

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Martin Dráb 239,364 Most Valuable Professional on at

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What about simply putting your logic to validateField()?

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yasu on at

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yes sir you are right ...please see this

public boolean validate()

{

boolean ret;

;

if(AXM_ItemMacAddress.StartMacAddress == ' : ')

{

info('You cannot insert this value');

ret = false;

} else {

ret = super();

}

return ret;

}

the problem is here is the error or check only comes into action when the inserted value equals

:(colon)... but I want the error to be there for values like AA: or 12:12 etc etc

I would be great if I can replace the == in the code with "contains ".. :(

please help

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Martin Dráb 239,364 Most Valuable Professional on at

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You can use strContains(), like this:

public boolean validateWrite() { boolean ret = super(); ret = ret && this.checkStartMacAddress(); return ret; } public boolean checkStartMacAddress() { if (strContains(this.StartMacAddress, ':')) { return checkFailed("You cannot insert this value"); } return true; }

By the way, if you have more complex patterns (such as if you want to check whether this input is a valid MAC address), regular expressions are usually a better approach than writing all the logic in your own code.

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Anand AX 2,172 on at

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Hi yasu,

Refer this link

daxbeginners.wordpress.com/.../how-to-validate-special-characters

It may help you!

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yasu on at

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thank you very much martin I have done this .. because of your help

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Martin Dráb 239,364 Most Valuable Professional on at

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yasu, when you get an answer, don't forget to mark the thread as answered by marking the helpful reply (replies). Notice "Did this answer your question?" beside each reply.

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