public long SqlBulkCopyInsert(DataTable dt)
{
string strCon = dba.GetConn();
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
SqlBulkCopy sqlBulkCopy = new SqlBulkCopy(strCon);
sqlBulkCopy.DestinationTableName = "G_DPoint";
sqlBulkCopy.BatchSize = dt.Rows.Count;
SqlConnection sqlConn = new SqlConnection(strCon);
sqlConn.Open();
if (dt != null && dt.Rows.Count != 0)
{
sqlBulkCopy.WriteToServer(dt);
}
sqlBulkCopy.Close();
sqlConn.Close();
stopwatch.Stop();
return(stopwatch.ElapsedMilliseconds);
}