System.Data Namespace

Represents the exception that is thrown when attempting to add a DataColumn containing an invalid Expression to a DataColumnCollection.

InvalidExpressionException Class Members

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Constructors Visibility Constructor Parameters public InvalidExpressionException ( ) public InvalidExpressionException ( String s ) public InvalidExpressionException ( String message , Exception innerException )

The Expression property is use to calculate the value of a column, or create an aggregate column.