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Old February 9th, 2006, 04:03 AM
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Default XML into SQL

i m new to C# and im trying to import a xml file from local disk and load all the elements into a sql table .. so here is my code and i keep gettin this error Update Object must implement IConvertible

public static int LoadExternal(string Filename)
            int Sflag = 0;

            SqlConnection SecondSiteCon = new SqlConnection(GlobalConstants.SecondSiteConnectionString);

            XmlDocument AccountHoldersxd = new XmlDocument();
            XmlNode ndAccountHolders;


            XPathNavigator nav;

            ndAccountHolders = AccountHoldersxd["AccountHolders"];

            nav = AccountHoldersxd.CreateNavigator();


                SqlCommand AddToDB = new SqlCommand("Exec AddNewAccountHolder @AccountHolder, @FirstName, @LastName, @Gender, @BirthDate, @CreditCardNumber, @ExpiryDate", SecondSiteCon);
                AddToDB.Parameters.Add("@AccountNumber", SqlDbType.Int);
                AddToDB.Parameters.Add("@FirstName", SqlDbType.VarChar);
                AddToDB.Parameters.Add("@LastName", SqlDbType.VarChar);
                AddToDB.Parameters.Add("@Gender", SqlDbType.Char);
                AddToDB.Parameters.Add("@BirthDate", SqlDbType.DateTime);
                AddToDB.Parameters.Add("@CreditCardNumber", SqlDbType.VarChar);
                AddToDB.Parameters.Add("@ExpiryDate", SqlDbType.DateTime);

                AddToDB.CommandType = CommandType.StoredProcedure;

                AddToDB.Transaction = SecondSiteCon.BeginTransaction();

                    if (ndAccountHolders != null)
                        XmlNode ndAccountHolder;
                        ndAccountHolder = ndAccountHolders.FirstChild;

                        //                    foreach(XmlNode nd in ndAccountHolders.ChildNodes)
                        //                    {
                        //                    string mCreditCardNum;
                        //                    mCreditCardNum = nd["CreditCardNumber"].Value.ToString();
                        //                    string EncryptedCCNum;
                        //                    EncryptedCCNum = DESLibrary.ToBase64String(mCreditCardNum,"AABBCCDD");
                        while(ndAccountHolder != null)
                            AddToDB.Parameters["@AccountNumber"].Value = ndAccountHolder["AccountNumber"];
                            AddToDB.Parameters["@FirstName"].Value = ndAccountHolder["FirstName"];
                            AddToDB.Parameters["@LastName"].Value = ndAccountHolder["LastName"];
                            AddToDB.Parameters["@Gender"].Value = ndAccountHolder["Gender"];
                            AddToDB.Parameters["@BirthDate"].Value = ndAccountHolder["BirthDate"];
                            AddToDB.Parameters["@CreditCardNumber"].Value = ndAccountHolder["CreditCardNumber"];
                            AddToDB.Parameters["@ExpiryDate"].Value = ndAccountHolder["ExpiryDate"];

                            ndAccountHolder = ndAccountHolder.NextSibling;



                                    //                    }

                catch (Exception ex)
                    throw ex;


        return Sflag;


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Old February 9th, 2006, 10:19 AM
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This error is usually related to data types not being correct.

For example: ndAccountHolder["AccountNumber"] could be a string your trying to assign to an int. Check which are wrong and convert them over.

Hal Levy
Please do your own homework.
I am here to help you, not do it for you.
I do not have sample code for anything
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