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Gets or sets whether the control truncates numeric values that exceed the decimal precision defined by Format, instead of applying rounding.
public virtual bool Truncate { get; set; }
Public Overridable Property Truncate As Boolean
For example, if format = 'n2' and the value is 99.999, setting Truncate to true will store 99.99 rather than rounding to 100. Default is false, which preserves the standard rounding behavior.