Guys i have a textbox where user enters a telephone number , i need to check in the database whether there a same telephone number in the database already , i want this to happen as soon as the textbox looses focus without posting back , is there any way to accomplish this is asp ????
deceivingrakesh
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Jump to PostWithout a postback means you will need to use AJAX. You say "is there any way to accomplish this is asp". Do you mean in ASP (active server pages) or are you using .net and you meant asap?
Jump to PostIn that case you defineitely want to use AJAX. Which is pretty easy in ASP.Net.
Go here http://www.asp.net/ajax and download the AJAX tool kit. Add it as a reference to your projectand you …
Jump to PostHey,
For the logging off/back button issue, are you using session state to record the user's logged in status? if yes, when they logout clear the session. Then if they go back your page should check (if you have coded it to do so) if the user is still logged …
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