Use VALUES
instead of VALUE
. Apart from that you should always use sql-parameters:
string columns = string.Join(","
, dataTable.Columns.Cast<DataColumn>().Select(c => c.ColumnName));
string values = string.Join(","
, dataTable.Columns.Cast<DataColumn>().Select(c => string.Format("@{0}", c.ColumnName)));
String sqlCommandInsert = string.Format("INSERT INTO dbo.RAW_DATA({0}) VALUES ({1})" , columns, values);
using(var con = new SqlConnection("ConnectionString"))
using (var cmd = new SqlCommand(sqlCommandInsert, con))
{
con.Open();
foreach (DataRow row in dataTable.Rows)
{
cmd.Parameters.Clear();
foreach (DataColumn col in dataTable.Columns)
cmd.Parameters.AddWithValue("@" + col.ColumnName, row[col]);
int inserted = cmd.ExecuteNonQuery();
}
}