A custom web part has custom web part properties. I would like to validate with custom server side code when user changes property value (or when properties are bing saved). Is that possible? Can I ...
How can I apply custom validation to Infopath 2010 fields which stretches beyond the basic Rules and Templates? I am looking to validate a custom field which needs to be validated much like a Credit ...
In a list you can create a lookup column which queries data from an other list, the fun part is that you can add "additional columns" which results in some sort of ghost column which is added to the ...
Possible Duplicate: How to validate Web Part property value? below is a custom prop and a code that i am using for my custom web part, my question is, how to validate a custom web part and ...