If yes then please share the error details.
simflex says:
conn.Open();
    SqlDataReader reader = cmd.ExecuteReader();
 
    if (reader.Read())
    {
        pin = reader.GetInt32(0);
        mTaxYear = reader.GetInt32(1);
        mMarineRegNo = reader.GetString(2);
        mVesselRegNo = reader.GetString(3);
        mTaxPyrRetdVal = reader.GetDecimal(4);
        mEquipmentTypeID = reader.GetInt32(5);
        mVesselTaxPyrRetdVal = reader.GetDecimal(6);
        mpDateSold = reader.GetDateTime(7);
        mpSalePrice = reader.GetDecimal(8);
        mpDescr = reader.GetString(9);
        mpBuyerFullName = reader.GetString(10);
        mpBuyerFirstName = reader.GetString(11);
        mpBuyerLastName = reader.GetString(12);
        mpBuyerAddress = reader.GetString(13);
        mpBuyerCity = reader.GetString(14);
        mpBuyerState = reader.GetString(15);
        mpBuyerZipCode = reader.GetString(16);
        mDateSold = reader.GetDateTime(17);
        mSalePrice = reader.GetDecimal(18);
        mDescription = reader.GetString(19);
        mBuyerFullName = reader.GetString(20);
        mBuyerFirstName = reader.GetString(21);
        mBuyerLastName = reader.GetString(22);
        mBuyerAddress = reader.GetString(23);
        mBuyerCity = reader.GetString(24);
        mBuyerState = reader.GetString(25);
        mBuyerZipCode = reader.GetString(26);
        mpPreviousOwnerName = reader.GetString(27);
        mpPreviousOwnerFirstName = reader.GetString(28);
        mpPreviousOwnerLastName = reader.GetString(29);
        mpPreviousOwnerAddress = reader.GetString(30);
        mpPreviousOwnerCity = reader.GetString(31);
        mpPreviousOwnerState = reader.GetString(32);
        mpPreviousOwnerZipCode = reader.GetString(33);
        mPreviousOwnerName = reader.GetString(34);
        mPreviousOwnerFirstName = reader.GetString(35);
        mPreviousOwnerLastName = reader.GetString(36);
        mPreviousOwnerAddress = reader.GetString(37);
        mPreviousOwnerCity = reader.GetString(38);
        mPreviousOwnerState = reader.GetString(39);
        mPreviousOwnerZipCode = reader.GetString(40);
        mpsignDte = reader.GetDateTime(41);
        mpsTitle = reader.GetString(42);
        msCounty = reader.GetString(43);
        msRegistration_No = reader.GetString(44);
        msMotor_MFG_Make = reader.GetString(45);
        msBoat_MFG_Make = reader.GetString(46);
        msMotor_MFG_Model = reader.GetString(47);
        msBoat_MFG_Model = reader.GetString(48);
        msBoat_Year_Built = reader.GetInt16(49);
        msMotor_Year_Built = reader.GetInt16(50);
        msbLength = reader.GetString(51);
        msHullMaterial = reader.GetString(52);
        msHorsePower = reader.GetString(53);
        msHorsePowerType = reader.GetString(54);
        msBoat_DatePurchased = reader.GetDateTime(55);
        msMotor_DatePurchased = reader.GetDateTime(56);
        msBoat_PurchaseType = reader.GetString(57);
        msMotor_PurchaseType = reader.GetString(58);
        msMotorCost = reader.GetDecimal(59);
        msBoatCost = reader.GetDecimal(60);
        msFileDate = reader.GetDateTime(61);
        msboatIssues = reader.GetString(62);
        msmotorIssues = reader.GetString(63);
        msboatIssuesDetails = reader.GetString(64);
        msmotorIssuesDetails = reader.GetString(65);
        mfTypeOfVessel = reader.GetString(66);
        mfVesselName = reader.GetString(67);
        mfHorspwrTypOfEngine = reader.GetString(68);
        mfCoastGuardNo = reader.GetString(69);
        mfYearPurchased = reader.GetInt16(70);
        mfPurchaseType = reader.GetString(71);
        mfAmtOfPurchase = reader.GetDecimal(72);
        mfHomePort = reader.GetString(73);
        mfWhereDocked = reader.GetString(74);
        mfBoat_Motor_Accsry_Equip = reader.GetString(75);
        mfvesselLength = reader.GetString(76);
        mfYrVesselBuilt = reader.GetInt16(77);
        mfVHullMaterial = reader.GetString(78);
    }
 replace above with below. 
you need to bind the repeater with table values.