MultipleFilterCollection.MatchBlank

MultipleFilterCollection.MatchBlank property

Indicates whether to filter by blank.

public bool MatchBlank { get; set; }

Examples

using System;
using Aspose.Cells;

namespace AsposeCellsExamples
{
    public class MultipleFilterCollectionPropertyMatchBlankDemo
    {
        public static void Run()
        {
            // Create a workbook with sample data
            Workbook workbook = new Workbook();
            Worksheet worksheet = workbook.Worksheets[0];
            
            // Add sample data with some blank cells
            worksheet.Cells["A1"].PutValue("Column1");
            worksheet.Cells["A2"].PutValue("Value1");
            worksheet.Cells["A3"].PutValue("");
            worksheet.Cells["A4"].PutValue("Value2");
            worksheet.Cells["A5"].PutValue(null);

            // Apply auto filter
            worksheet.AutoFilter.Range = "A1:A5";
            AutoFilter filter = worksheet.AutoFilter;
            
            // Add filters including blank values
            filter.AddFilter(0, null);
            filter.AddFilter(0, "");
            filter.Refresh();

            // Get the filter collection and check MatchBlank property
            MultipleFilterCollection multiFilters = (MultipleFilterCollection)filter.FilterColumns[0].Filter;
            Console.WriteLine("MatchBlank property value: " + multiFilters.MatchBlank);
            
            // Save the workbook
            workbook.Save("MatchBlankDemo.xlsx");
        }
    }
}

See Also