ADO.Net对oracle数据库的操作

<connectionStrings>
<add name="oracleson" connectionString="Data Source=dingsenorcl;Persist Security Info=True;User ID=ds;Password=ds;Unicode=True" providerName="System.Data.OracleClient"/>
</connectionStrings>

string orclcon = ConfigurationManager.ConnectionStrings["oracleson"].ConnectionString;

OracleConnection conn = new OracleConnection(orclcon)

OracleCommand cmd = conn.CreateCommand()

conn.Open();

cmd.CommandText = "insert into T_12(AAAA)values(:a)";
cmd.Parameters.AddWithValue(":a", TextBox1.Text);  //参数替换oracle数据库要用: sqlserver数据库是@
cmd.ExecuteNonQuery();