Excel Form Controls in C# and VB.NET

With GemBox.Spreadsheet you can work with spreadsheets that contain form controls such as check boxes, radio (option) buttons, combo boxes, buttons, list boxes, spin buttons, scroll bars, labels, or group boxes.

The following example shows how to create a workbook with some of the most common form controls.

Screenshot of Excel with form controls created with GemBox.Spreadsheet

C#
VB.NET

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using GemBox.Spreadsheet;

class Program
{
    static void Main()
    {
        // If using Professional version, put your serial key below.
        SpreadsheetInfo.SetLicense("FREE-LIMITED-KEY");

        var workbook = new ExcelFile();
        var worksheet = workbook.Worksheets.Add("Form Controls");

        var checkBox = worksheet.FormControls.AddCheckBox("Simple check box", "B2", 100, 15, LengthUnit.Point);
        checkBox.CellLink = worksheet.Cells["A2"];
        checkBox.Checked = true;

        worksheet.Cells["A4"].Value = "VALUE A";
        worksheet.Cells["A5"].Value = "VALUE B";
        worksheet.Cells["A6"].Value = "VALUE C";
        worksheet.Cells["A7"].Value = "VALUE D";
        var comboBox = worksheet.FormControls.AddComboBox("B4", 100, 20, LengthUnit.Point);
        comboBox.InputRange = worksheet.Cells.GetSubrange("A4:A7");
        comboBox.SelectedIndex = 2;

        var scrollBar = worksheet.FormControls.AddScrollBar("B9", 100, 20, LengthUnit.Point);
        scrollBar.CellLink = worksheet.Cells["A9"];
        scrollBar.MinimumValue = 10;
        scrollBar.MaximumValue = 50;
        scrollBar.CurrentValue = 20;

        workbook.Save("Form Controls.xlsx");
    }
}

Imports GemBox.Spreadsheet

Module Program

    Sub Main()

        ' If using Professional version, put your serial key below.
        SpreadsheetInfo.SetLicense("FREE-LIMITED-KEY")

        Dim workbook As New ExcelFile()
        Dim worksheet = workbook.Worksheets.Add("Form Controls")

        Dim checkBox = worksheet.FormControls.AddCheckBox("Simple check box", "B2", 100, 15, LengthUnit.Point)
        checkBox.CellLink = worksheet.Cells("A2")
        checkBox.Checked = True

        worksheet.Cells("A4").Value = "VALUE A"
        worksheet.Cells("A5").Value = "VALUE B"
        worksheet.Cells("A6").Value = "VALUE C"
        worksheet.Cells("A7").Value = "VALUE D"
        Dim comboBox = worksheet.FormControls.AddComboBox("B4", 100, 20, LengthUnit.Point)
        comboBox.InputRange = worksheet.Cells.GetSubrange("A4:A7")
        comboBox.SelectedIndex = 2

        Dim scrollBar = worksheet.FormControls.AddScrollBar("B9", 100, 20, LengthUnit.Point)
        scrollBar.CellLink = worksheet.Cells("A9")
        scrollBar.MinimumValue = 10
        scrollBar.MaximumValue = 50
        scrollBar.CurrentValue = 20

        workbook.Save("Form Controls.xlsx")
    End Sub
End Module

Next steps

GemBox.Spreadsheet is a .NET component that enables you to read, write, edit, convert, and print spreadsheet files from your .NET applications using one simple API.

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Published: May 10, 2021 | Modified: August 25, 2021 | Author: Marek Turis

Excel Form Controls in C# and VB.NET

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