ExpressionDescriptorDefineStringParameter(String, String, String, ParameterToken, ValidValuesSource) Method

Defines a parameter placeholder that expects string values for resolution.

Namespace: Dundas.BI.Data.Metadata
Assembly: Dundas.BI.Core (in Dundas.BI.Core.dll) Version: 2.0.0.0 (26.2.0.1000)
Syntax
public ParameterPlaceholder DefineStringParameter(
	string placeholderCaption,
	string name,
	string? description,
	ParameterToken defaultValue,
	ValidValuesSource validValuesSource
)

Parameters

placeholderCaption  String
The parameter placeholder used in the expression statement.
name  String
The name.
description  String
The parameter description.
defaultValue  ParameterToken
The default value.
validValuesSource  ValidValuesSource
The valid values source.

Return Value

ParameterPlaceholder
The expression parameter.
Exceptions
ExceptionCondition
ArgumentExceptionplaceholderCaption is or Empty or already in use in the expression statement.
ArgumentExceptiondefaultValue is invalid for the specified parameter category.
ArgumentNullExceptionvalidValuesSource is invalid.
InvalidOperationExceptionParameters can be defined only for entity specific expressions.
See Also