i have a peculiar issue.I am developing a application for my business using a developer who is working a lot to sort out the issue bt he is not able to find a solution.SO now seeking a help from you all

I have a order Form- which holds the data for the orders received I have a Trip Form where the actual order dispatch details are entered . along with these forms there are many other forms.

My problem is when i try to enter a Data in Trip Form- there is lot of delay in submitting data and most of the time i get the buffering icon and data is not getting submitted.This happens in this particular form and also in few set of computers and not in all computer.But in the same computer other forms gets submitted.we are unable to sort out the issue.

Kindly help me to sort out this issue.