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ASP.Net RangeValidator Control

RangeValidator: The RangeValidator control is used to check that the user enters an input value that falls between two values.

·         It is possible to check ranges within numbers, dates, and characters.
·         The validation will not fail if the input control is empty. Use the RequiredFieldValidator control to make the field required.
·         The validation will not fail if the input value cannot be converted to the data type specified. Use the CompareValidator control, with its Operator property set to ValidationCompareOperator.DataTypeCheck, to verify the data type of the input value.

RangeValidator additional properties (Check here for other default properties and sample):

Property
Description
MaximumValue
Specifies the maximum value of the range
MinimumValue
Specifies the minimum value of the range
Type
Specifies the data type of the values to compare. The types are:
·         Currency
·         Date
·         Double
·         Integer
·         String

  Control usage:

<asp:TextBox runat="server" ID="txtAge"></asp:TextBox>

<asp:RangeValidator ID="rvAge" runat="server"
    ControlToValidate=" txtAge" ErrorMessage="Enter your age between (18-40)"
    MaximumValue="40" MinimumValue="18" Type="Integer">
</asp:RangeValidator>
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