Concurrency Problems

I am writing a simple application, just like the Microsoft Outlook Task, one problem I have encountered is the "concurrency error" when updating the table. I only have one database, but since the applciation needs at least three forms which is also using the same dataset, therefore i have dataset, dataset1, & dataset2. In my opinion since I am only using one database, then therefore when I update one dataset, then the other dataset should also be updated? Is this wrong?

I also tried to update all the 3 datasets but I still have the same concurrency error. Please help me to resolve this conflict thanks.

[640 byte] By [ChrisMoje] at [2007-12-25]