首先要写连接字符串
可以在web.config里写上
string orclcon = ConfigurationManager.ConnectionStrings["oracleson"].ConnectionString;
OracleConnection cOnn= new OracleConnection(orclcon)
OracleCommand cmd = conn.CreateCommand()打开连接
conn.Open();操作就行了
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();