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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: You may define just a simple numeric expression like:

Numeric constants

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

Numeric constants Double constants Decimal constants

  • String: They need to be surrounded by double quotation marks:

String constants

  • DateTime: They need to be surrounded by hashes:

DateTime constants

  • Boolean / Null: They can be defined as True / False values. In the same way you may define the null constant - null.

Boolean constants null constant

See also

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