Insert in database from excel sheet 2010 in ASP.net C#

String strConnection = "Data Source=.;Initial Catalog=InsertFromExcel;User ID=sa";

string path = fileuploadExcel.PostedFile.FileName;

string excelConnectionString = @"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + path + ";Extended Properties=Excel 12.0;Persist Security Info=False";

OleDbConnection excelConnection = new OleDbConnection(excelConnectionString);

OleDbCommand cmd = new OleDbCommand("Select [ID],[Name],[Designation] from [Sheet1$]", excelConnection);

excelConnection.Open();

OleDbDataReader dReader;

dReader = cmd.ExecuteReader();

SqlBulkCopy sqlBulk = new SqlBulkCopy(strConnection);

//Give your Destination table name

sqlBulk.DestinationTableName = "Excel_table";

sqlBulk.WriteToServer(dReader);

excelConnection.Close();