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RadExpressionEditor allows you to use different constants for defining the expression you want. There are several types supported by the control:

  • Numeric constants - you may define just a simple numeric expression like:

    In case of Double constant, you could use the exponential value: 0.0E+2. As a Decimal constant you could use '0.0'.

  • String constants - they need to be surrounded by double quotation marks:

  • DateTime constants - they need to be surrounded by hashes:

  • Boolean constants - they can be defined as "True" / "False" values. In the same way you may define null constant - "null".

See also

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