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Asked: 2026-05-27T04:00:18+00:00

This is a very general question, so I won’t be providing any code as

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This is a very general question, so I won’t be providing any code as my project is fairly large.

I have an ASP.NET project, which I’ve been maintaining and adding to you for a year now. There’s about 30 pages in total, each mostly having a couple of gridview’s and SqlDataSource’s, and usually not more than 10-15 methods in the codebehind. There is also a fairly hefty LINQ-to-SQL dbml file – with around 40-50 tables.

The application takes about 30-40 seconds to compile, which I suppose isn’t too bad – but the main issue is that when deployed, it’s slow at loading pages compared to other applications on the same server and app pool – it can take around 10 seconds to load a simple page. I’m very confident the issue isn’t isolated to any specific page – it seems more of a global application issue.

I’m just wondering if there are any settings in the web.config etc I can use to help speed things up? Or just general tips on common ‘mistakes’ or issues developers encounter than can cause this. My application is close to completion, and the speed issues are really tainting the customer’s view of it.

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1 Answer

  1. Editorial Team

    As the first step find out source of the problem, either application or database side.

    Application side:

    Start by enabling trace for slow pages and see size of ViewState, sometimes large ViewState cause slow page load.

    Database side:

    Use Sql Profiler to see what exactly requires a lot of time to get done

    Useful links:

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