It is true, there is no array data type in ampscript. So, you have to find creative ways to mimic this behavior. Using BuildRowSetFromString and BuildRowSetFromXML are good options. Server-Side JavaScript allow you to create arrays. You can write code that uses both amscript and ssjs. Variabls can be passed...
php,html,exacttarget,ampscript
Honestly, your best bet for a quick, no mess user friendly solution is to use their Smart Capture capabilities on an ET landing page - unfortunately this means it has to be hosted via Exact Target though, and not your web host. Custom Unsub page with Smart Capture If you...
dataview,exacttarget,ampscript
Yes, it's possible using one of the AMPScript lookup functions. Here's a simple example: %%[ var @DEColumn1, @lookupValue set @lookupValue = "whee" set @DEColumn1 = Lookup("DataExtensionName", "ReturnColumn", "LookupColumn", @lookupValue) ]%% DEColumn1 is %%=v(@DEColumn1)=%% I have a few more examples of the different lookup types are here on my blog. UPDATE:...