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ColumnCollection.Remove(Int32, Func<Int32, Boolean>) Method

Removes columns that match the specified condition from the worksheet.

Namespace: DevExpress.Spreadsheet

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

NuGet Package: DevExpress.Spreadsheet.Core

Declaration

void Remove(
    int first,
    Func<int, bool> predicate
)

Parameters

Name Type Description
first Int32

An integer that is the index of the column from which the check should start.

predicate Func<Int32, Boolean>

A function to test for a condition in each column.

Example

View Example

workbook.LoadDocument("Documents\\Document.xlsx");
Worksheet worksheet = workbook.Worksheets[0];
// Create a function specifying the condition to remove worksheet columns.
Func<int, bool> columnRemovalCondition = x => worksheet.Cells[0, x].Value.NumericValue > 3.0 && worksheet.Cells[0, x].Value.NumericValue < 14.0;

// Fill cells with data.
for (int i = 0; i < 15; i++)
{
    worksheet.Cells[i, 0].Value = i + 1;
    worksheet.Cells[0, i].Value = i + 1;
}

// Delete all columns that meet the specified condition.
//worksheet.Columns.Remove(columnRemovalCondition);

// Delete columns that meet the specified condition starting from the 7th column.
worksheet.Columns.Remove(7, columnRemovalCondition);

// Delete columns that meet the specified condition starting from the 5th column to the 14th column.
//worksheet.Columns.Remove(5, 14, columnRemovalCondition);

The following code snippets (auto-collected from DevExpress Examples) contain references to the Remove(Int32, Func<Int32, Boolean>) method.

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See Also