What is the advantage of having multiple namespace in xml document


see below xml. when can build xml without namespace why people use multiple or 1 namespace in xml. know reason , advantage in details. when incorporate namespace need add code parse it.....so point.

if possible explain advantage sample xml. thanks

<soapenv:envelope xmlns:soapenv=""http://schemas.xmlsoap.org/soap/envelope/""> 	        <soapenv:header/> 	        <soapenv:body> 		        <rate:rateresponse xmlns:rate=""http://www.ups.com/xmlschema/xoltws/rate/v1.1""> 			        <common:response xmlns:common=""http://www.ups.com/xmlschema/xoltws/common/v1.0""> 				        <common:responsestatus> 					        <common:code>1</common:code> 					        <common:description>success</common:description> 				        </common:responsestatus> 				        <common:alert> 					        <common:code>110971</common:code> 					        <common:description>your invoice may vary displayed reference rates</common:description> 				        </common:alert> 				        <common:transactionreference/> 			        </common:response> 			        <rate:ratedshipment> 				        <rate:service> 					        <rate:code>07</rate:code> 					        <rate:description/> 				        </rate:service> 				        <rate:ratedshipmentalert> 					        <rate:code>110971</rate:code> 					        <rate:description>your invoice may vary displayed reference rates</rate:description> 				        </rate:ratedshipmentalert> 				        <rate:billingweight> 					        <rate:unitofmeasurement> 						        <rate:code>kgs</rate:code> 						        <rate:description>kilograms</rate:description> 					        </rate:unitofmeasurement> 					        <rate:weight>1.0</rate:weight> 				        </rate:billingweight> 				        <rate:transportationcharges> 					        <rate:currencycode>eur</rate:currencycode> 					        <rate:monetaryvalue>102.31</rate:monetaryvalue> 				        </rate:transportationcharges> 				        <rate:serviceoptionscharges> 					        <rate:currencycode>eur</rate:currencycode> 					        <rate:monetaryvalue>0.00</rate:monetaryvalue> 				        </rate:serviceoptionscharges> 				        <rate:totalcharges> 					        <rate:currencycode>eur</rate:currencycode> 					        <rate:monetaryvalue>102.31</rate:monetaryvalue> 				        </rate:totalcharges> 				        <rate:negotiatedratecharges> 					        <rate:totalcharge> 						        <rate:currencycode>eur</rate:currencycode> 						        <rate:monetaryvalue>101.29</rate:monetaryvalue> 					        </rate:totalcharge> 				        </rate:negotiatedratecharges> 				        <rate:guaranteeddelivery> 					        <rate:businessdaysintransit>1</rate:businessdaysintransit> 					        <rate:deliverybytime>10:30 a.m.</rate:deliverybytime> 				        </rate:guaranteeddelivery> 				        <rate:ratedpackage> 					        <rate:weight>1.0</rate:weight> 				        </rate:ratedpackage> 			        </rate:ratedshipment> 			        <rate:ratedshipment> 				        <rate:service> 					        <rate:code>11</rate:code> 					        <rate:description/> 				        </rate:service> 				        <rate:ratedshipmentalert> 					        <rate:code>110971</rate:code> 					        <rate:description>your invoice may vary displayed reference rates</rate:description> 				        </rate:ratedshipmentalert> 				        <rate:billingweight> 					        <rate:unitofmeasurement> 						        <rate:code>kgs</rate:code> 						        <rate:description>kilograms</rate:description> 					        </rate:unitofmeasurement> 					        <rate:weight>1.0</rate:weight> 				        </rate:billingweight> 				        <rate:transportationcharges> 					        <rate:currencycode>eur</rate:currencycode> 					        <rate:monetaryvalue>46.38</rate:monetaryvalue> 				        </rate:transportationcharges> 				        <rate:serviceoptionscharges> 					        <rate:currencycode>eur</rate:currencycode> 					        <rate:monetaryvalue>0.00</rate:monetaryvalue> 				        </rate:serviceoptionscharges> 				        <rate:totalcharges> 					        <rate:currencycode>eur</rate:currencycode> 					        <rate:monetaryvalue>46.38</rate:monetaryvalue> 				        </rate:totalcharges> 				        <rate:negotiatedratecharges> 					        <rate:totalcharge> 						        <rate:currencycode>eur</rate:currencycode> 						        <rate:monetaryvalue>45.92</rate:monetaryvalue> 					        </rate:totalcharge> 				        </rate:negotiatedratecharges> 				        <rate:ratedpackage> 					        <rate:weight>1.0</rate:weight> 				        </rate:ratedpackage> 			        </rate:ratedshipment> 		        </rate:rateresponse> 	        </soapenv:body>         </soapenv:envelope>";


the same reasons apply namespaces in xml e.g. in .net. imporant: avoid name collisions. xml document or fragment must not contain data 1 source.

see also: use xml namespaces



Visual Studio Languages  ,  .NET Framework  >  Visual C#



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