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Parent Columns and Child Columns don't have type-matching columns

Posted on 2008-10-23
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Last Modified: 2012-05-05
I am trying to create a data relation but keep getting this error message.  Can someone point me in the right direction?

The field MPI in the patient table is set to numeric (35,0) not null primary key

The field MPI in the PreAuth table is set to numeric (35,0) nut null primary key


Here is my code:

---------------------------------------------------------------------------------



//------------   Patient Search Tab
      public DataSet HDSDataSet
      {
            get
            {
                  if (Cache["HDSDataSet"] == null)
                        Cache["HDSDataSet"] = new DataSet("HDSDataSet");

                  return (DataSet)Cache["HDSDataSet"];
            }
      }
      //------------   Patient Search Tab
      protected void PopulatePatientDS()
      {
            SqlDataAdapter sqlDA = CreatePatientAdapter();
        SqlDataAdapter sqlDAPreAuth = CreatePreAuthAdapter();
            HDSDataSet.Clear();
            sqlDA.FillSchema(HDSDataSet, SchemaType.Source);
            sqlDA.Fill(HDSDataSet, "Patient");
        sqlDAPreAuth.Fill(HDSDataSet, "Pre_Auth");

        try
        {
            HDSDataSet.Relations.Add("Patient",
                HDSDataSet.Tables["Patient"].Columns["MPI"],
                HDSDataSet.Tables["Pre_Auth"].Columns["MPI"]);
        }
        catch (System.Exception x)
        {
            string s = x.Message;-------------------------------------------------I trap the ERROR MESSAGE HERE   ------------------------------------
            string m = s;
        }

       
    }



      //------------   Patient Adapter
      protected SqlDataAdapter CreatePatientAdapter()
      {

        string physicianNPI;
        physicianNPI = Session["physicianNPI"].ToString();

            SqlConnection conn = new SqlConnection(ConnString);
            SqlCommand cmd = new SqlCommand(SearchString, conn);
        cmd.Parameters.Add("@REFERRING_PROVIDER_NPI", SqlDbType.VarChar).Value = physicianNPI;
        cmd.Parameters.Add(new SqlParameter("@SearchFn", tbPreAuthFname.Text));
        cmd.Parameters.Add(new SqlParameter("@SearchLn", tbPreAuthLname.Text));
        cmd.Parameters.Add(new SqlParameter("@SearchAddress", tbPreAuthAddress.Text));
        cmd.Parameters.Add(new SqlParameter("@SearchDOB", tbPreAuthDOB.Text));
        cmd.Parameters.Add(new SqlParameter("@SearchSSN", tbPreAuthSSN.Text));
        cmd.Parameters.Add(new SqlParameter("@SearchDL", tbPreAuthDL.Text));
        cmd.Parameters.Add(new SqlParameter("@SearchPhn", tbPreAuthPhone.Text));
        cmd.Parameters.Add(new SqlParameter("@SearchBillingId", tbPreAuthAccountNum.Text));
        cmd.Parameters.Add(new SqlParameter("@SearchSex", tbPreAuthSex.Text));


            SqlDataAdapter sqlDA = new SqlDataAdapter(cmd);
            return sqlDA;
      }

      //------------   Patient Search Tab
      private String ConnString
      {
            get
            {
                  //HDS ConnectionString comes from the Web.Config
                  return ConfigurationManager.ConnectionStrings["123123ConnectionString"].ConnectionString;

            }
      }

      //------------   Patient Search Tab
      private String SearchString
      {
            get
            {
            String srchCmd = "SELECT PATIENT.MPI, PATIENT.LAST_NAME, PATIENT.FIRST_NAME, PRIMARY_INSURANCE.PLAN_NAME, PATIENT.DATE_OF_BIRTH, PATIENT.SEX FROM PATIENT LEFT JOIN PRIMARY_INSURANCE ON PATIENT.MPI = PRIMARY_INSURANCE.MPI WHERE PATIENT.LAST_NAME = @SearchLn OR PATIENT.FIRST_NAME = @SearchFn";
                  return srchCmd;

            }
    }



    //------------   PreAuthAdapter
    protected SqlDataAdapter CreatePreAuthAdapter()
    {

        SqlConnection conn = new SqlConnection(ConnString);
        SqlCommand cmd = new SqlCommand(PreAuthSearchString, conn);
        SqlDataAdapter sqlDAPreAuth = new SqlDataAdapter(cmd);
        return sqlDAPreAuth;
    }

   

    //------------   PreAuth Search Command
    private String PreAuthSearchString
    {
        get
        {
            String srchCmd = "SELECT * FROM PRE_AUTH";
            return srchCmd;

        }
    }





----------------------------------------------------------------------------------

Here is the PATIENT table structures


CREATE TABLE [dbo].[PATIENT](
      [MPI] [numeric](35, 0) NOT NULL,
      [NEWPATIENT] [bit] NULL,
      [SSN] [numeric](9, 0) NULL,
      [DRIVER_LICENSE] [numeric](15, 0) NULL,
      [LAST_NAME] [varchar](20) NULL,
      [FIRST_NAME] [varchar](20) NULL,
      [FIRST_NAME_SEC] [numeric](4, 0) NULL,
      [ADDRESS1] [varchar](20) NULL,
      [ADDRESS2] [varchar](20) NULL,
      [CITY] [varchar](20) NULL,
      [STATE] [varchar](3) NULL,
      [ZIP] [numeric](9, 0) NULL,
       CONSTRAINT [PK__PATIENT__7E6CC920] PRIMARY KEY CLUSTERED
(
      [MPI] ASC
)WITH (PAD_INDEX  = OFF, STATISTICS_NORECOMPUTE  = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS  = ON, ALLOW_PAGE_LOCKS  = ON) ON [PRIMARY]
) ON [PRIMARY]



Here is Structure for PRE_AUTH

U
CREATE TABLE [dbo].[PRE_AUTH](
      [MPI] [numeric](35, 0) NOT NULL,
      [REFERRAL_QUEUE_ID] [numeric](15, 0) NULL,
      [INSURANCE_COMPANY_CODE] [varchar](35) NULL,
      [INSURANCE_NAME] [varchar](35) NULL,
 CONSTRAINT [PK_PRE_AUTH] PRIMARY KEY CLUSTERED
(
      [MPI] ASC
)WITH (PAD_INDEX  = OFF, STATISTICS_NORECOMPUTE  = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS  = ON, ALLOW_PAGE_LOCKS  = ON) ON [PRIMARY]
) ON [PRIMARY]

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Question by:kwh3856
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3 Comments
 
LVL 26

Accepted Solution

by:
Anurag Thakur earned 500 total points
ID: 22793216
does the following link give you any solutions for your problem
http://www.experts-exchange.com/Programming/Languages/C_Sharp/Q_20914806.html
0
 

Author Comment

by:kwh3856
ID: 22798282
Problem solved.

Evidently, I originally had a mismatch in the type for the columns.  I had resolved that problem but the system did not pickup the change that I made in the SQL table.  I am guessing that it was cached in my dataset.  After I rebooted my machine the error went away.
0
 

Author Closing Comment

by:kwh3856
ID: 31509469
Raqi,
That solution did not correct my problem.  I ultimately solved the problem myself but I wanted to give you points for at least trying to help me.  You were the only one that chimed in.  Thank you for your help.
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