DataValidationCollection.RemoveAt(Int32) Method

Removes the data validation item at the specified index from the collection.

Namespace: DevExpress.Spreadsheet

Assembly: DevExpress.Spreadsheet.v24.1.Core.dll

NuGet Package: DevExpress.Spreadsheet.Core

Declaration

C#

void RemoveAt(
    int index
)

VB.NET

Sub RemoveAt(
    index As Integer
)

Parameters

Name	Type	Description
index	Int32	A zero-based integer specifying the index of the item to be removed. It should be non-negative and less than the number of elements in the collection.

Remarks

To remove the specified DataValidation object, use the DataValidationCollection.Remove method. To remove all data validations from the worksheet, use the DataValidationCollection.Clear method.

Example

View Example

DataValidationActions.cs

workbook.LoadDocument("Documents\\DataValidation.xlsx");
Worksheet worksheet = workbook.Worksheets[0];

// Add data validations.
worksheet.DataValidations.Add(worksheet["D4:D11"], DataValidationType.TextLength, DataValidationOperator.Equal, 3);
worksheet.DataValidations.Add(worksheet["E4:E11"], DataValidationType.List, ValueObject.FromRange(worksheet["H4:H9"].GetRangeWithAbsoluteReference()));

// Remove data validation by index.
worksheet.DataValidations.RemoveAt(1);

// Highlight data validation ranges.
int[] MyColorScheme = new int[] { 0xFFC4C4, 0xFFD9D9, 0xFFF6F6, 0xFFECEC, 0xE9D3D3 };
for (int i = 0; i < worksheet.DataValidations.Count; i++)
{
    worksheet.DataValidations[i].Range.FillColor = Color.FromArgb(MyColorScheme[i]);
}

DataValidationActions.vb

workbook.LoadDocument("Documents\DataValidation.xlsx")
Dim worksheet As Worksheet = workbook.Worksheets(0)

' Add data validations.
worksheet.DataValidations.Add(worksheet("D4:D11"), DataValidationType.TextLength, DataValidationOperator.Equal, 3)
worksheet.DataValidations.Add(worksheet("E4:E11"), DataValidationType.List, ValueObject.FromRange(worksheet("H4:H9").GetRangeWithAbsoluteReference()))

' Remove data validation by index.
worksheet.DataValidations.RemoveAt(1)

' Highlight data validation ranges.
Dim MyColorScheme() As Integer = { &HFFC4C4, &HFFD9D9, &HFFF6F6, &HFFECEC, &HE9D3D3 }
For i As Integer = 0 To worksheet.DataValidations.Count - 1
    worksheet.DataValidations(i).Range.FillColor = Color.FromArgb(MyColorScheme(i))
Next i

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the RemoveAt(Int32) method.

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#

winforms-spreadsheetcontrol-api-part-3/CS/SpreadsheetControl_API_Part03/CodeExamples/DataValidationActions.cs#L194

// Remove data validation by index.
worksheet.DataValidations.RemoveAt(1);

spreadsheet-document-api-examples-part3/CS/Spreadsheet_Document_Api_Part_3/CodeExamples/DataValidationActions.cs#L227

// Remove a data validation by its index.
worksheet.DataValidations.RemoveAt(1);

VB.NET

winforms-spreadsheetcontrol-api-part-3/VB/SpreadsheetControl_API_Part03/CodeExamples/DataValidationActions.vb#L162

' Remove data validation by index.
worksheet.DataValidations.RemoveAt(1)
' Highlight data validation ranges.

spreadsheet-document-api-examples-part3/VB/Spreadsheet_Document_Api_Part_3/CodeExamples/DataValidationActions.vb#L225

' Remove a data validation by its index.
worksheet.DataValidations.RemoveAt(1)