Web Forms :: Validating Multiple Email Address From A Textbox?

Jul 2, 2010

multiple email address are enetered in the textbox at present i have used SPLIT function to split the emails based on a delimiter on server side wht i need is , suppose i have 10 email addrees in the textbox and suppose 3rd one is not valid i dont want the processing to be stopped at 3rd , if 3rd is invalid it shld be skipped and the 4th one shld be processed.

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Web Forms :: Validating An Email Address?

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We are developing an Intranet application that looks up some data for a user through hooks into Active Directory. However, our Network guys don't always enter in a users email address when creating a new user. Therefore, our user database is missing the email address for over half of our users. We have over 10,000 users, therefore asking them to enter 5000+ email addresses into each missing email address field in Active Directory isn't an option. I already know how to validate that an email address is correctly formatted using Regex. What I need is a way to lookup the email address entered in the email address textbox and see if it exists on Outlook/Exchange (or looking up the email address using the First Name/LastName would work). If it does exist then the address is valid, if it is invalid then the user typed in the wrong address. I've tried to do something with CDO, but have had no luck. We use Outlook 2003 and ASP.NET 2.0.

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how to check the domain name of an email address...

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When validating an email address with the regex validation component, an additional RequiredFieldValidator must be added to ensure there is a value present.

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Is it possible to include a static email address within a textbox text property...For instance

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The above line tells me that the element <a> cannot be nested within textbox.

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I'm receiving the following error and can't figure out how to fix it:

The specified string is not in the form required for an e-mail address.

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[Code]....

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i have an requirment where an user can enter multiple email address.

The validation should ensure that he should enter address in the format "something@abc.com".

my existing validation ensures that some text is entered before "@" symbol and "abc.com" is the domain.

@"w+([-+.']w+)*@abc.com$";

I would need my regex to check for the delimiter ";" between two mail id's .

valid: a@abc.com |
a@abc.com;b@abc.com|

invalid: a@abc.comm | a@abc.com,b@abc.com | @abc.com |
a@abc.comb@abc.com|

I've tried many links but ther were of no use and i'd be grateful if someone could help me modify the current one to suit my requirments

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