title: how to open excel sheet and CSV file?match between name from excel sheet and the CSV file?
body: <p>i need code in C# to open my excel sheet which contain list of students names ,and open CSV file contain two columns name of same student in excel sheet, and marks of student ... by click on button i want to match between the names and put in the excel sheet every name with his mark. That's all just find names and marks from CSV and put it on next cell of name in excel sheet</p>