Подключение к Excel в C#

Question

, как подключить C# с Excel ... с помощью некоторых услуг Interop

Answer 1

using Microsoft.Office.Interop.Excel; 

// Connect to Excel 
Microsoft.Office.Interop.Excel.ApplicationClass excelApp = new Microsoft.Office.Interop.Excel.ApplicationClass(); 
// Do this if you want to see Excel 
excelApp.Visible = true; 
// Open the spreadsheet 
Microsoft.Office.Interop.Excel.Workbook workbook = excelApp.Workbooks.Open("MyFile.xls" 
    Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, 
    Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing); 
// Get the collection of worksheets 
Microsoft.Office.Interop.Excel.Sheets sheets = workbook.Worksheets; 
for (sheet = 1; sheet <= sheets.Count; sheet++) 
{ 
    Microsoft.Office.Interop.Excel.Worksheet worksheet = (Microsoft.Office.Interop.Excel.Worksheet)sheets.get_Item(sheet); 
    // Do something with the worksheet 
    worksheet.Activate(); // do this if you have Excel visible so you can see what you're doing 
} 
// Close the workbook 
excelApp.Workbooks.Close(); 
// Close Excel 
excelApp.Application.Quit();