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Dataset Refresh

yeah..I dont want to send the query to the database each time the cashier scans the items so i decided to load the items table in the memory.I know that this would take up the memory but cant do much....

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Dataset Refresh

Let me know how it goes. I'm primarily used to developing in 3 tiers, so I don't keep tables in memory. Concurrency in this case is to prevent overwriting of updated data. I assume you have a load...

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Dataset Refresh

Thanks Chris I think i'll work towards this   

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Dataset Refresh

Right, it will return the updated rows, and you will need to update your dataset with the updated rows. There's no way you can do this otherwise without grabbing everything out of the table.

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Dataset Refresh

 But this will  only return the updated rows.What i need is the records in dataset should exactly be the same as the records in the database after the synchronisation for example SqlConnection...

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Dataset Refresh

You could have fields in the tables for last updated datetime and keep a concurrency token locally to filter your query.

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Dataset Refresh

Yes... just the changes that was done after the recent dataset fill  

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Dataset Refresh

Is your requirement to do a partial data refresh periodically?

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Dataset Refresh

It is a two tier winforms application.Actually i have not worked with enterprise applications so i really dont know if this requirement can be acheived  through that.

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Dataset Refresh

I'm not aware of any way to do what you're suggesting. Is your POS application an ASP.NET, WinForms, or WPF app? Have you looked into enterprise architectural patterns to aid you in your approach?

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Dataset Refresh

 Hi i am coding a pos application which will load the items and the prices table into the dataset.Is it possible to syncronise the dataset with the database tables at the intervals without doing the...

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