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GetDSStructureFromSchema begins by creating a DataSet object and calling its ReadXmlSchema method to load the specified schema into the DataSet Note that the schema is passed in as an XmlDocument so an XmlNodeReader is used to read the schema into the DataSet The call to GetDSStructure is where the interesting work is done This function loops through each table of the input DataSet and gets the table s name Then for each column in that table, it gets the column name and type Next, it gets the constraints on that table and determines whether each constraint is a unique, primary key, or foreign key constraint After finishing all tables, it then examines the DataSet Relations collection and reads the parent and child table as well as the relation columns for each relation Figure 9-8 shows the result of running this code on the example invoice schema shown in listing 9-9 Each complex type in the XSD schema results in a table in the DataSet The columns reported in figure 9-8 reflect the invoice schema with their types translated from the XML Schema type to the corresponding NET Framework type For your reference, Appendix A lists the built-in XML Schema types and their corresponding NET data types and SQL Server types Looking at the table structure reported in figure 9-8, you ll notice two additional columns that were not in c# zxing qr code reader QR Code Scanner Using Webcam in VB 2015 - YouTube
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Oct 7, 2017 · QR CODE scanning using AForge.NET and ZXing step by step Install-Package AForge Install ...Duration: 11:14 Posted: Oct 7, 2017 The example code we'll look at comes from a system I cowrote to create and organize Industrial Logic's HTML-based catalogs Ironically, this system made heavy use of the Command pattern from its earliest evolutions I decided to rewrite the sections of the system that used the Command pattern to not use the Command pattern in order to produce the kind of bloated, Command-thirsty code that I so frequently encounter in the field In the altered code, a class named CatalogApp is responsible for dispatching and executing actions and returning responses It performs this work within one large conditional statement: public class CatalogApp private HandlerResponse executeActionAndGetResponse(String actionName, Map parameters) if (actionNameequals(NEW_WORKSHOP)) { String nextWorkshopID = workshopManagergetNextWorkshopID(); StringBuffer newWorkshopContents = workshopManagercreateNewFileFromTemplate( nextWorkshopID, workshopManagergetWorkshopDir(), workshopManagergetWorkshopTemplate() ); workshopManageraddWorkshop(newWorkshopContents); parametersput("id",nextWorkshopID); executeActionAndGetResponse(ALL_WORKSHOPS, parameters); } else if (actionNameequals(ALL_WORKSHOPS)) { XMLBuilder allWorkshopsXml = new XMLBuilder("workshops"); WorkshopRepository repository = workshopManagergetWorkshopRepository(); qr code reader windows phone 8.1 c# Best 20 NuGet qrcode Packages - NuGet Must Haves Package
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Jun 9, 2015 · Thank you LINK CODE C# ALL PROJECT https://drive.google.com/open?id ...Duration: 5:24 Posted: Jun 9, 2015 the original schema: invoice_Id on both the invoice and item tables These are the primary key and foreign key columns needed to establish the relation as explained above You ll notice a primary key constraint on the invoice table based on invoice_Id and a foreign key constraint on the items table based on invoice_Id You ll also notice that the parent-child relation is based on the invoice_Id column To obtain the schema from the DataSet you call GetXmlSchema (see listing 9-11) Listing 9-11 The DataSet s schema obtained by calling DataSetGetXmlSchema after loading the invoice schema by calling ReadXmlSchema The challenges presented when serializing the data returned from the service method call are similar to the ones during deserialization The JSON format needed by the SysSerializationJavaScriptSerializer can t be created by the DataContractJsonSerializer (see Listing 926) The JSON emitted by the DataContractJsonSerializer does not contain any type information and is not in the correct format (see Listing 927) To create the correct JSON format, we need to construct the JSON using the combined functionality provided by the WriteJsonToResponseStream method and the DataContractSerializer The WriteJsonToResponseStream method, shown in Listing 928, builds up the JSON data by rst serializing the returned data from the service method call using the DataContractJson Serializer and then formatting the response into the JSON representation This document was created by an unregistered ChmMagic, please go to http://wwwbisentercom to register it Thanks shown in Listing 926 When the JSON is in the correct format, we can send it back to the client, where the JavaScriptSerializer will convert it back to the Customer type < xml version="10" encoding="utf-16" > <xs:schema id="NewDataSet" targetNamespace="http://wwwLearnXmlWScom/Invoicing/schema" xmlns:mstns="http://wwwLearnXmlWScom/Invoicing/schema" xmlns="http://wwwLearnXmlWScom/Invoicing/schema" xmlns:xs="http://wwww3org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata" attributeFormDefault="qualified" elementFormDefault="qualified"> <xs:simpleType name="money"> <xs:restriction base="xs:decimal" /> </xs:simpleType> <xs:complexType name="ItemType"> <xs:sequence> <xs:element name="partNum" type="xs:string" /> <xs:element name="quant" type="xs:int" /> <xs:element name="unitPrice" type="money" /> <xs:element name="total" type="money" /> </xs:sequence> </xs:complexType> <xs:element name="invoice"> <xs:complexType> <xs:sequence> <xs:element name="invoiceNumber" type="xs:string" /> <xs:element name="supplierID" type="xs:int" /> <xs:element name="invoiceDate" type="xs:date" /> <xs:element name="poNumber" type="xs:string" /> <xs:element name="subTotal" type="money" /> Iterator ids = repositorykeyIterator(); while (idshasNext()) { String id = (String)idsnext(); Workshop workshop = repositorygetWorkshop(id); allWorkshopsXmladdBelowParent("workshop"); allWorkshopsXmladdAttribute("id", workshopgetID()); allWorkshopsXmladdAttribute("name", workshopgetName()); allWorkshopsXmladdAttribute("status", workshopgetStatus()); allWorkshopsXmladdAttribute("duration", workshopgetDurationAsString()); } String formattedXml = getFormattedData(allWorkshopsXmltoString()); return new HandlerResponse( new StringBuffer(formattedXml), ALL_WORKSHOPS_STYLESHEET ); } many more "else if" statements qr code reader c# open source QR Code Encoder and Decoder .NET(Framework, Standard, Core ...
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