private void TestExcelAccess() { Position position = new Position(); Dictionary <string, string> column = ExcelColumnAttribute.ColumnNamesMapping(position); string url = @"C:\Users\TUAN-LINH\Desktop\TestData.xlsx"; //string url = @"C:\Users\VuLin\Desktop\TestData.xlsx"; ExcelDataAccess reader = ExcelDataAccess.GetInstance(); Dictionary <string, Construction> positions = reader.Read <Construction>(url); // reader.Read(url); }