You can use a CompareValidator control to make sure a value input by the user into a text box falls within a specific range.

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Quizplus · Accepted Answer

A CompareValidator control in ASP.NET is used to compare the value of one input control to another or to a fixed value for equality, not for checking if a value falls within a specific range. To check for a range, you would use the RangeValidator control.

You Can Use a CompareValidator Control to Make Sure a Value