SQL Bulk Data Insertion

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SQL-Server-2005

SQL-Server

I have a data table with 5 columns which are different datatypes. This data Table has got about 2000 rows of data.
I need to insert this data table data into a sql table, I use the following mehtod to insert,

string sSqlQuery=string.empty;
for(int i=0;i<datatable.rows.count;i++)>
{
	sSqlQuery+="Insert into sample(c1,c2,c3,c4,c5)values(
	'"+ dataTable.rows[i]["c1"].toString() +"',"
	'"+ dataTable.rows[i]["c2"].toString() +"',"
	'"+ dataTable.rows[i]["c3"].toString() +"',"
	'"+ dataTable.rows[i]["c4"].toString() +"',"
	'"+ dataTable.rows[i]["c5"].toString() +"');";
}

if(!string.IsNullOrEmpty(sSqlQuery))
{
	//COde to insert the query into database.
}

Is this the right way to insert bulk data into database. Do we have any other method to do it.