Как получить данные из рабочего листа(файл excel) в combobox и текстовые поля в приложении windows form

How to populated combo box using Excel column in c# please help...thanks in adv..

<pre> Workbook workbook = new Workbook();  
            //Load Excel file  
            workbook.LoadFromFile("input.xlsx");  
  
            //Get the first worksheet  
            Worksheet sheet = workbook.Worksheets[0];  
  
            //Bind data in the first Excel column to combo box  
            for (int row = 1; row < sheet.Rows.Count()+1; row++)  
            {  
               string value = sheet.Range[row, 1].Value;  
               comboBox1.Items.Add(value);  
            }