data validation

Hi guys, I am really struggling the previous week to find out why is there a difference when I pass the error property through the constructor of my custom validation attribute or when I pass it explicitly. I have been looking through the source code so much that my eyes started hurting, hah...

Hi guys (apologies if I posted in the wrong topic), I hope you can help me. I am quite new to C# development, and would really appreciate your expertise. I want a simple procedure/function I can call to validate the data in a table: So this is what needs to happen: Procedure that loops...