Convert functions to C#

I wrote this functions while doing ASP programming, but now that I am doing C# programming, I was wondering if it would be possible to convert my ASP functions into C#? They are primarily for database actions (i.e. opening, querying, closing)

VB Code:

function db_open(connectionStringPayload)
   if isObject(objConn) then
      if objConn.state = 0 then
         set objConn = server.createObject("ADODB.CONNECTION")
         objConn.open connectionStringPayload
         db_open = true
      else
         db_open = false
      end if
   else
      set objConn = server.createObject("ADODB.CONNECTION")
      objConn.open connectionStringPayload
      db_open = true
   end if
end function

Here's an exact translation to C#, but you'd want to use ASP.Net instead.

Code:

---

bool db_open(string connectionStringPayload)
{
  if(objConn != null) {
      if(objConn.state == 0) {
        objConn = server.createObject("ADODB.CONNECTION");
        objConn.open(connectionStringPayload);
        return true;
      } else {
        return false;
      }
  } else {
      objConn = server.createObject("ADODB.CONNECTION");
      objConn.open(connectionStringPayload);
      return true;
  }
}

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