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suchin
60
Groupby performance issue
posted

 Hi,

I am using a WebGrid 6.3 and I have  noticed a major performance problem when it comes to grouping. When a do a group on any column, with around 4000 rows of data, the operation takes more than 2 minutes. I just upgraded to WebGrid 8.3 and tested to see if there is any improvement, but there seems to be none.

Please note that there is no custom pagination implemented in my code, if I were to implement pagination wouldn't the groupby feature break? Doesn't the groupby need the entire dataset at its disposal to do what it does?

 

  • 85
    posted

     I pretty much have the same experience.  The performance with 1000 rows is just as bad.   Unfortunately I don't think IE can even handle displaying 1000 rows generated by UltraWebGrid.

     Enabling pagination will break the groupby functionality.