how con insert the data from dataset(datatable) to sqltale with using webservice

i am writing the following following code

public int insert (datatable object)
{
    --my plan define job
}

i can insert one row in a time and
i would like to insert at one time calling all data in datatables(nearly 10000 row) how to insert this data in to data set

with best regard
zarnimg
myanmar