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Editorial Team
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Asked: 2026-05-22T14:16:44+00:00

There are millions of data in my SQL DB and every Row is a

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There are millions of data in my SQL DB and every Row is a Item with a Starttime and a duration. Now I want to visualize this Data to know which Data overlap at a time.

My idea is to create a coordinate-system with x-axis show the time and y-axis count the Item. Every graph is a line parallel to the x-axis start at Starttime + duration. The next graph is y+1 and also Starttime + Duration. Then I can see which Items overlap at which time.

How can I program that with C# any suggestion to solve this problem?

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1 Answer

  1. Editorial Team

    I think you should take a look in the various chart controls out there:

    All of these support some kind of bar chart which could visualize this kind of data. But be aware that displaying can take a lot of time if you try to put millions of data points at a chart at once.

    If high performance and mass of data is your constraint you should maybe take a look at one of these:

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