Check out example codes for "round to int 32 c#". It will help you in understanding the concepts better.

Code Example 1

// Use Math.Ceiling to round up
Math.Ceiling(0.5); // 1

// Use Math.Round to just round
Math.Round(0.5, MidpointRounding.AwayFromZero); // 1

// And Math.Floor to round down
Math.Floor(0.5); // 0

Code Example 2

Convert.Toint64(number)

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