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POReplace/Avoid unicode characters in XML C# while sending XML data to SQL server
 

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  1. POReplace/Avoid unicode characters in XML C# while sending XML data to SQL server
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    <p>Below is the code to create XML data so that I can send the same as a string to Sql server for bulk insert.</p> <hr> <pre><code>private string SavePurchaseInvoiceProducts() { string xmldata = string.Empty; List&lt;ProductDetail&gt; ProductsList = new List&lt;ProductDetail&gt;(); try { foreach (DataGridViewRow row in gvPurchaseInvoiceItems.Rows) { if (dtBatchDetails.AsEnumerable().Count(i =&gt; i.Field&lt;int&gt;("ItemID").ToString().Equals(row.Cells["ItemID"].EditedFormattedValue.ToString())) &gt; 0) { ProductsList.Add(new ProductDetail { ItemID = Convert.ToInt32(row.Cells["ItemID"].EditedFormattedValue.ToString()), StockInHand = Convert.ToDecimal(row.Cells["StockinHand"].EditedFormattedValue), ReceivedQTY = Convert.ToDecimal(row.Cells["Qty"].EditedFormattedValue), NetPrice = Convert.ToDecimal(row.Cells["NetPrice"].EditedFormattedValue), SellPrice1 = Convert.ToDecimal(row.Cells["StockWas"].EditedFormattedValue), Tax_ID = Convert.ToInt32(row.Cells["Tax_ID"].EditedFormattedValue.ToString()), ItemDescription = row.Cells["Description"].EditedFormattedValue.ToString() }); row.Cells["StockWas"].Value = Convert.ToDecimal(row.Cells["StockinHand"].EditedFormattedValue); } else { MessageBox.Show("Please complete Batch qty entry for the product " + row.Cells["Description"].EditedFormattedValue.ToString(), "", MessageBoxButtons.OK, MessageBoxIcon.Warning); return "Error"; } } var xmlPBDetails = new XElement("Root", from pbdetail in ProductsList select new XElement("InvoiceItemDetails", new XElement("ItemID", pbdetail.ItemID), new XElement("ItemDesc", pbdetail.ItemDescription), new XElement("StockinHand", pbdetail.StockInHand), new XElement("NetPrice", pbdetail.NetPrice), new XElement("Stock_RecievedQty", pbdetail.ReceivedQTY), new XElement("StockInHand_Was", pbdetail.SellPrice1), new XElement("Tax_ID", pbdetail.Tax_ID), new XElement("StockUpdateReason", "PurchaseInvoice"), new XElement("EmpID", GlobalData.EmpID), new XElement("Company_ID", GlobalData.CompanyID), new XElement("Lastupdated", String.Format("{0:MM/dd/yyyy HH:mm:ss}", DTPInvoiceDate.Value)), new XElement("IsDeleted", 0) )); xmldata = xmlPBDetails.ToString(); } catch (Exception ex) { } return xmldata; } </code></pre> <hr> <p>The above code works fine but the only problem is with the line new XElement("ItemDesc", pbdetail.ItemDescription) where ItemDescription is string</p> <p>For example if the ItemDescription contains <strong>μ</strong> (Mu) then the sql server throws an error called ' XML Parsing error an invalid character'.Same is the case with all unicode characters. IF there any Regular expression to completely avoid these characters before sending to database or any other work around.I have tried few methods <a href="http://weblogs.sqlteam.com/mladenp/archive/2008/10/21/Different-ways-how-to-escape-an-XML-string-in-C.aspx" rel="nofollow">http://weblogs.sqlteam.com/mladenp/archive/2008/10/21/Different-ways-how-to-escape-an-XML-string-in-C.aspx</a> but all these only avoid few characters which we define.</p> <p>Below is the StoredProcedure</p> <pre><code> Create PROCEDURE [dbo].[inv_Save_InvoiceProductDetails] @InvoiceProductDetails as varchar(Max) as BEGIN declare @i int exec sp_xml_preparedocument @i output,@InvoiceProductDetails INSERT INTO INV_ProductInvoiceDetails(ProductInvoiceID,ItemID,NetPrice,StockinHand, Company_ID,Lastupdated,EmpID,IsDeleted,Stock_RecievedQty,Tax_ID,ItemDesc) SELECT ProductInvoiceID,ItemID,NetPrice,StockinHand,Company_ID,getdate(),EmpID,IsDeleted, Stock_RecievedQty,Tax_ID,ItemDesc FROM OPENXML(@i,'Root/InvoiceItemDetails',2) WITH ( ProductInvoiceID int,ItemID int,NetPrice numeric(18,2),StockinHand numeric(18,3),Company_ID int, Lastupdated datetime,EmpID int,IsDeleted bit,Stock_RecievedQty numeric(18,2),Tax_ID int,ItemDesc varchar(100)) exec sp_xml_removedocument @i END </code></pre> <p>So please advice on escaping these characters or any other work around to insert in the database apart from the Encoding/Decoding idea.</p> <p>Thanks.</p>
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    1. USuser2859242
    1. USuser2859242
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    1. COHm. As both .NET and SQL Server should be fully unicode enabled, I guess the error is somewhere in your code. Maybe you're not passing the right encoding in your XML header? Or you're converting the string to ASCII oder ANSI before passing it to the SQL server?
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      1. POReplace/Avoid unicode characters in XML C# while sending XML data to SQL server
      1. USThorsten Dittmar
    2. COIn the datalayer I get this error..so there must be some problem in the Storedprocedure.I am not using any encoding in XML header.How do we add that in the above code..please let me know
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      1. USuser2859242
 

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