Checking a Range

The RangeValidator control allows you to verify that the value of a control falls within a specified range. For example, you could make sure that a text box's value is between 5 and 10 or between a month ago and the current date.

Normally, you'll need to set the properties shown in Table 8.3, in addition to those listed in Table 8.1.

Table 8.3. Set These Properties for RangeValidator Controls
PropertyDescription
MaximumValueThe maximum allowable value.
MinimumValueThe minimum allowable value.
TypeThe type of data to compare, selected from String, Integer, Date, Double, or Currency. This property controls the type of comparison to perform—it wouldn't make sense to perform a text comparison when you're entering numeric values, for ...

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