ParameterValue.IsError Property

Gets whether the parameter is an error.

Namespace: DevExpress.Spreadsheet.Functions

Assembly: DevExpress.Spreadsheet.v19.1.Core.dll

Declaration

C#

public bool IsError { get; }

VB.NET

Public ReadOnly Property IsError As Boolean

Property Value

Type	Description
Boolean	true, if the parameter is an error; otherwise, false.

Remarks

If the evaluation of the parameter results in an error, the IsError is true. To get information on an error, use the ParameterValue.ErrorValue property.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the IsError property.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

udf-custom-function-how-to-replace-excel-xll-add-in-udf-with-a-custom-function-e5178/CS/UDF_Discount/DiscountFunction.cs#L38

quantityParameter = parameters[0];
if (quantityParameter.IsError)
    return quantityParameter;

wpf-spreadsheetcontrol-api-part-2-e4944/CS/SpreadsheetControl_WPF_API_Part02/SpreadsheetActions/CustomFunctionActions.cs#L98

densityParameter = parameters[1];
if (densityParameter.IsError)
    return densityParameter;

winforms-spreadsheetcontrol-api-part-2-e4832/CS/SpreadsheetControl_API_Part02/SpreadsheetActions/CustomFunctionActions.cs#L100

densityParameter = parameters[1];
if (densityParameter.IsError)
    return densityParameter;

how-to-use-excel-add-ins-in-the-spreadsheet-control-e5012/CS/SpreadsheetAddIn/Form1.cs#L135

    return parameter.TextValue;
else if (parameter.IsError)
    return ValueToErrorDictonary[parameter.ErrorValue];

udf-custom-function-how-to-replace-the-built-in-worksheet-function-t124453/CS/FunctionWrapperSample/Form1.cs#L51

ParameterValue value = parameters[0];
if (value.IsError)
    return value;

VB.NET

wpf-spreadsheetcontrol-api-part-2-e4944/VB/SpreadsheetControl_WPF_API_Part02/SpreadsheetActions/CustomFunctionActions.vb#L114

densityParameter = parameters(1)
If densityParameter.IsError Then
    Return densityParameter

winforms-spreadsheetcontrol-api-part-2-e4832/VB/SpreadsheetControl_API_Part02/SpreadsheetActions/CustomFunctionActions.vb#L116

densityParameter = parameters(1)
If densityParameter.IsError Then
    Return densityParameter

how-to-use-excel-add-ins-in-the-spreadsheet-control-e5012/VB/SpreadsheetAddIn/Form1.vb#L148

    Return parameter.TextValue
ElseIf parameter.IsError Then
    Return ValueToErrorDictonary(parameter.ErrorValue)

udf-custom-function-how-to-replace-the-built-in-worksheet-function-t124453/VB/FunctionWrapperSample/Form1.vb#L46

Dim value As ParameterValue = parameters(0)
If value.IsError Then
    Return value