IXlTable.Columns Property

Provides access to the read-only collection of table columns.

Namespace: DevExpress.Export.Xl

Assembly: DevExpress.Printing.v19.2.Core.dll

Declaration

C#

IXlTableColumnCollection Columns { get; }

VB.NET

ReadOnly Property Columns As IXlTableColumnCollection

Property Value

Type	Description
IXlTableColumnCollection	An IXlTableColumnCollection object specifying the table’s collection of columns.

Remarks

You can access an individual table column by its name or index from the collection. An IXlTableColumn object provides a set of properties to modify a table column. For example, use the TableColumn.TotalRowFunction and TableColumn.TotalRowLabel properties to specify how the column total should be calculated. Use the IXlTableColumn.DataFormatting and IXlTableColumn.TotalRowFormatting properties to format the data area or total row cell of the table column.

The IXlTableColumn.SetFormula method overloads allow you to create a calculated column.

Example

Note

A complete sample project is available at https://github.com/DevExpress-Examples/xl-export-api-examples-t253492

TableActions.cs

IXlTable table;
// Specify an array containing column headings for a table.
string[] columnNames = new string[] { "Product", "Category", "Amount" };

// Create the first row in the worksheet from which the table starts.
using (IXlRow row = sheet.CreateRow())
{
    // Start generating the table with a header row displayed.
    table = row.BeginTable(columnNames, true);
    // Specify the total row label.
    table.Columns[0].TotalRowLabel = "Total";
    // Specify the function to calculate the total.
    table.Columns[2].TotalRowFunction = XlTotalRowFunction.Sum;
    // Specify the number format for the "Amount" column and its total cell.
    XlNumberFormat accounting = @"_([$$-409]* #,##0.00_);_([$$-409]* \(#,##0.00\);_([$$-409]* ""-""??_);_(@_)";
    table.Columns[2].DataFormatting = accounting;
    table.Columns[2].TotalRowFormatting = accounting;
}

// Generate table rows and populate them with data.
using (IXlRow row = sheet.CreateRow())
    row.BulkCells(new object[] { "Camembert Pierrot", "Dairy Products", 17000 }, null);
using (IXlRow row = sheet.CreateRow())
    row.BulkCells(new object[] { "Gnocchi di nonna Alice", "Grains/Cereals", 15500 }, null);
using (IXlRow row = sheet.CreateRow())
    row.BulkCells(new object[] { "Mascarpone Fabioli", "Dairy Products", 15000 }, null);
using (IXlRow row = sheet.CreateRow())
    row.BulkCells(new object[] { "Ravioli Angelo", "Grains/Cereals", 12500 }, null);

// Create the total row and finish the table.
using (IXlRow row = sheet.CreateRow())
    row.EndTable(table, true);

TableActions.vb

Dim table As IXlTable
' Specify an array containing column headings for a table.
Dim columnNames() As String = { "Product", "Category", "Amount" }

' Create the first row in the worksheet from which the table starts.
Using row As IXlRow = sheet.CreateRow()
    ' Start generating the table with a header row displayed.
    table = row.BeginTable(columnNames, True)
    ' Specify the total row label.
    table.Columns(0).TotalRowLabel = "Total"
    ' Specify the function to calculate the total.
    table.Columns(2).TotalRowFunction = XlTotalRowFunction.Sum
    ' Specify the number format for the "Amount" column and its total cell.
    Dim accounting As XlNumberFormat = "_([$$-409]* #,##0.00_);_([$$-409]* \(#,##0.00\);_([$$-409]* ""-""??_);_(@_)"
    table.Columns(2).DataFormatting = accounting
    table.Columns(2).TotalRowFormatting = accounting
End Using

' Generate table rows and populate them with data.
Using row As IXlRow = sheet.CreateRow()
    row.BulkCells(New Object() { "Camembert Pierrot", "Dairy Products", 17000 }, Nothing)
End Using
Using row As IXlRow = sheet.CreateRow()
    row.BulkCells(New Object() { "Gnocchi di nonna Alice", "Grains/Cereals", 15500 }, Nothing)
End Using
Using row As IXlRow = sheet.CreateRow()
    row.BulkCells(New Object() { "Mascarpone Fabioli", "Dairy Products", 15000 }, Nothing)
End Using
Using row As IXlRow = sheet.CreateRow()
    row.BulkCells(New Object() { "Ravioli Angelo", "Grains/Cereals", 12500 }, Nothing)
End Using

' Create the total row and finish the table.
Using row As IXlRow = sheet.CreateRow()
    row.EndTable(table, True)
End Using