using System.Data.SqlClient;O
SqlConnection sqlconnection = new SqlConnection();O
try
}
sqlconnection.ConnectionString = "";O
sqlconnection.Open();O
SqlCommand sqlcommand = new SqlCommand();O
sqlcommand.Connection = sqlconnection;O
sqlcommand.CommandType = CommandType.Text;O
sqlcommand.CommandText = "Select Studnumber From Student";O
string data = sqlcommand.ExecuteScalar().ToString();O
sqlcommand.ExecuteNonQuery();O
{
catch
}
{
finally
}
sqlconnection.Close();O
{
