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POImport data from XML to SQL Server tables
 

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    <p>I have problem with importing data from xml into SQL Server tables. </p> <p>This example of my XML file:</p> <pre><code>&lt;ORDER&gt; &lt;ORDER_HEADER&gt; &lt;NUMBER&gt;109&lt;/NUMBER&gt; &lt;/ORDER_HEADER&gt; &lt;CUSTOMER_HEADER&gt; &lt;CUSTOMER&gt;Michael&lt;/CUSTOMER&gt; &lt;/CUSTOMER_HEADER&gt; &lt;ORDER_ITEMS&gt; &lt;ITEM&gt; &lt;CATALOG_NUMBER&gt;2&lt;/CATALOG_NUMBER&gt; &lt;VAT&gt;21&lt;/VAT&gt; &lt;/ITEM&gt; &lt;ITEM&gt; &lt;CATALOG_NUMBER&gt;5&lt;/CATALOG_NUMBER&gt; &lt;VAT&gt;21&lt;/VAT&gt; &lt;/ITEM&gt; &lt;ITEM&gt; &lt;CATALOG_NUMBER&gt;7&lt;/CATALOG_NUMBER&gt; &lt;VAT&gt;21&lt;/VAT&gt; &lt;/ITEM&gt; &lt;ITEM&gt; &lt;CATALOG_NUMBER&gt;9&lt;/CATALOG_NUMBER&gt; &lt;VAT&gt;21&lt;/VAT&gt; &lt;/ITEM&gt; &lt;/ORDER_ITEMS&gt; &lt;/ORDER&gt; </code></pre> <p>And this is my c# code:</p> <pre><code>XDocument doc = XDocument.Load("C:\\Users\\L\\order.xml"); var NUMBER = doc.Descendants("NUMBER"); var CUSTOMER = doc.Descendants("CUSTOMER"); var CATALOG_NUMBER = doc.Descendants("CATALOG_NUMBER"); var VAT = doc.Descendants("VAT"); SqlConnection conn = new SqlConnection("*****"); conn.Open(); foreach (var cislo in NUMBER) { using (SqlCommand cmd = conn.CreateCommand()) { cmd.CommandText="Insert INTO ORDER_HEADER(NUMBER) VALUES (@cislo);"; cmd.Parameters.AddWithValue("@cislo",cislo.Value); cmd.ExecuteNonQuery(); cmd.Clone(); } } foreach (var zakaznik in CUSTOMER) { using (SqlCommand cmd = conn.CreateCommand()) { cmd.CommandText="Insert INTO CUSTOMER_HEAD(CUSTOMER)VALUES(@zakaznik);"; cmd.Parameters.AddWithValue("@zakaznik", zakaznik.Value); cmd.ExecuteNonQuery(); cmd.Clone(); } } foreach (var katalo_cislo in CATALOG_NUMBER) foreach (var vat1 in VAT) { using (SqlCommand cmd = conn.CreateCommand()) { cmd.CommandText = "Insert INTO ITEM (CATALOG_NUMBER,VAT) VALUES (@katalo_cislo,@vat1);"; cmd.Parameters.AddWithValue("@katalo_cislo", katalo_cislo.Value); cmd.Parameters.AddWithValue("@vat1", vat1.Value); cmd.ExecuteNonQuery(); cmd.Clone(); } } conn.Close(); </code></pre> <p>But first 2 sql tables is OK, but in last sql table ITEM is more than 4 record...problem is probably in two FOREACH... but how could I load records from <code>ORDER_ITEMS</code> right? </p> <p>Thanks</p> <p>This is my code now with all my values: ¨</p> <pre><code>var Items = doc.Descendants("ITEM").Select(x =&gt; new { NUMBER = (int?)x.Element("NUMBER"), CATALOG_NUMBER = (string)x.Element("CATALOG_NUMBER"), ITEM_NAME = (string)x.Element("ITEM_NAME"), UNIT = (string)x.Element("UNIT"), AMOUNT = (int?)x.Element("AMOUNT"), PRICE_WITHOUT_VAT = (string)x.Element("PRICE_WITHOUT_VAT"), VAT = (string)x.Element("VAT"), PRICE_VAT = (string)x.Element("PRICE_VAT"), EAN = (string)x.Element("EAN"), SUPPLIER_ITEM_NUMBER = (string)x.Element("SUPPLIER_ITEM_NUMBER"), SUPPLIER_ID = (string)x.Element("SUPPLIER_ID"), SUPPLIER_NAME = (string)x.Element("SUPPLIER_NAME"), ORDER_ITEMS_Id = (string)x.Element("ORDER_ITEMS_Id"), }).ToList(); foreach (var item in Items) { using (SqlCommand cmd = conn.CreateCommand()) { cmd.CommandText = "Insert INTO ITEM (NUMBER,CATALOG_NUMBER,ITEM_NAME,UNIT,AMOUNT,PRICE_WITHOUT_VAT,VAT,PRICE_VAT,EAN,SUPPLIER_ITEM_NUMBER,SUPPLIER_ID,SUPPLIER_NAME,ORDER_ITEMS_Id) VALUES (@cislo,@katalo_cislo,@nazev_zbozi,@jednotka,@mnozstvi,@cenabezvat,@vat1,@cenavat,@ean1,@dodav_cislo,@dodav_id,@dodav_jmeno,@objednavkaid);"; cmd.Parameters.AddWithValue("@cislo", item.NUMBER); cmd.Parameters.AddWithValue("@katalo_cislo", item.CATALOG_NUMBER); cmd.Parameters.AddWithValue("@nazev_zbozi", item.ITEM_NAME); cmd.Parameters.AddWithValue("@jednotka", item.UNIT); cmd.Parameters.AddWithValue("@mnozstvi", item.AMOUNT); cmd.Parameters.AddWithValue("@cenabezvat", item.PRICE_WITHOUT_VAT); cmd.Parameters.AddWithValue("@vat1", item.VAT); cmd.Parameters.AddWithValue("@cenavat", item.PRICE_VAT); cmd.Parameters.AddWithValue("@ean1", item.EAN); cmd.Parameters.AddWithValue("@dodav_cislo", item.SUPPLIER_ITEM_NUMBER); cmd.Parameters.AddWithValue("@dodav_id", item.SUPPLIER_ID); cmd.Parameters.AddWithValue("@dodav_jmeno", item.SUPPLIER_NAME); cmd.Parameters.AddWithValue("@objednavkaid", item.ORDER_ITEMS_Id); cmd.ExecuteNonQuery(); //cmd.Clone(); } } </code></pre>
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    1. COYou can create a dataset from your xml `DataSet ds = new DataSet(); ds.ReadXml(XDocument.Load(fname).CreateReader());` and then insert it directly to DB using SqlDataAdapter.
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