OleDbConnectioncon=newOleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;datasource=data.mdb");
con.Open();
OleDbCommanddc=newOleDbCommand("selectnamefromuswhereid=2",con);
textBox1.Text=dc.ExecuteScalar().ToString();

OleDbConnectioncon=newOleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;datasource=data.mdb");
con.Open();
OleDbCommanddc=newOleDbCommand("insertintous(name)values(11)",con);
dc.ExecuteNonQuery();
con.Close();


stringus=textBox2.Text;
stringpa=textBox1.Text;
OleDbConnectioncon=newOleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;datasource=data.mdb");
OleDbCommandoldC=newOleDbCommand("insertintousers(username,userpassword)values(@username,@userpassword)",con);
oldC.Parameters.Add("@username",us);
oldC.Parameters.Add("@userpassword",pa);
con.Open();
oldC.ExecuteNonQuery();
con.Close();
MessageBox.Show("Registersuccessful!");
this.Dispose();