Question

I am storing an applicants text box data in a session class. I am calling the session class and storing it in an object.

How can i loop through the items, and add them to a database?

Can i loop through and concatenate into a string? I am using a data access layer and an oracle database.

Here is the string for the insert in the DAL. I dont have the function complete since i dont know what to pass in at this point. But, i do have a runquery function that works that i pass the string sql into.

public void AddJobApplication()
{
string sql = "insert into JOBQUESTIONS (JOBAPPLICATIONID, QUESTIONTEXT, TYPEID, HASCORRECTANSWER, CORRECTANSWER, ISREQUIRED) VALUES (" + JobID + ", \'" + QuestionText + "\', " + TypeID + ", " + HasCorrectAnswer + ", \'" + CorrectAnswer + "\', " + IsRequired + ")";
 RunQuery(sql);

}

Here is my session class

public class JobApplicantSession
{

    public JobApplication ApplicationSession
    {

      get {if (HttpContext.Current.Session["Application"] != null)
               return (JobApplication)HttpContext.Current.Session["Application"];
           return null; }

      set{ HttpContext.Current.Session["Application"] = value; }
    }


}

Then, i can retrieve that session and store it in an object

JobApplicantSession _sessions = new JobApplicantSession();
JobApplication _application;
_application = new JobApplication(jobID);
_sessions.ApplicationSession = _application;   //_application holds all my saved textbox texts

JobApplication application;

var jas = new JobApplicantSession();
application = jas.ApplicationSession;   //holds all my session text

I want to insert multiple records in table JOBQUESTIONS and i have all these records in the application variable

Thank you!!!

Answer 1

Couple of things:
First its seems that JobApplication is an object which is holding data for a particular job application. You can’t do iteration on that. You probably need a list of JobApplication and your object application should be something similar to
List<JobApplication> applications = new List<JobApplication>();
You can only iterate using foreach through an object if it has Ienumerable interface implemented. (Generally speaking an Array of objects or List of Objects)

For inserting data in database, once you were able to iterate and construct a query, I would recommend building a single insert statement with multiple values. Then call it once to insert data in database. Please do take care of SQL Injection. Also if you think that using multiple insert statements suits your need then use a transaction