var sqlQuery = "delete from table";
using (var connection = new SqlConnection(ConnectionString))
{
await connection.OpenAsync();
using (var tran = connection.BeginTransaction())
using (var command = new SqlCommand(sqlQuery, connection, tran))
{
try {
await command.ExecuteNonQueryAsync();
} catch {
tran.Rollback();
throw;
}
tran.Commit();
}
}