export excel data into sql server using c#

Condition :
excel file columns and sql server tables columns should be same and datatype also should be same.

public void Exel2Sql()
{
OdbcConnection connection;
SqlBulkCopy bulkCopy;
string ConnectionString = @”server=sujitkumar\sqlexpress;database=pubs;uid=sa;pwd=1234;”;
string connstr = @”Driver={Microsoft Excel Driver (*.xls)};DriverId=790;Dbq=c:\contact.xls”;
using (connection = new OdbcConnection(connstr))
{
OdbcCommand command = new OdbcCommand(“Select * FROM [Sheet1$]“, connection);

//you can change [Sheet1$] with your sheet name

connection.Open();

// Create DbDataReader to Data Worksheet

using (OdbcDataReader dr = command.ExecuteReader())
{
// Bulk Copy to SQL Server

using (bulkCopy = new SqlBulkCopy(ConnectionString))
{
bulkCopy.DestinationTableName = “Names”;
//”Names” is the sql table where you want to copy all data.

bulkCopy.WriteToServer(dr);
}
dr.Close();
}

}

bulkCopy.Close();
connection.Close();
}