现代软件技术实验2

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1、计算机科学与工程学院《现代软件技术》实验报告武汉工程大学计算机科学与工程学院《现代软件技术》实验报告[2]专业班级实验时间学生学号实验地点学生姓名指导教师实验项目UsingMVVMpatterntorealizeacustomermanagementsystem实验类别基本型实验实验学时6实验目的及要求实验要求：Windows7或以上操作系统、VisualStudio.Net2010或以上版本的应用程序，SQLServer2005数据库或以上版本、WindowsPhone7Toolkit7.0或以上版本。学生应按指导教师的要求独立完成实验，并按要求撰写实验报告（应包含实验核

2、心程序、实验过程和结果中的关键图片）。成绩评定表类别评分标准分值得分合计上机表现按时出勤、遵守纪律认真完成各项实验内容30分报告质量程序代码规范、功能正确填写内容完整、体现收获70分说明：评阅教师：日期：年月日13第13页共13页计算机科学与工程学院《现代软件技术》实验报告实验内容(1)CreatingtheDataModelThemodelisasingleclassnamedAccomplishment.TheAccomplishmentclassimplementstheINotifyPropertyChangedinterfaceandthePropertyChan

3、gedevent.Thisallowstheclasstonotifyitsviewswhenapropertyvaluechanges,andthentheviewscanupdatetheuserinterfacebasedonthatchange.Inthisapplication,theusercanonlychangetheCountandCompletedproperties,soyouonlyneedtoraisethePropertyChangedeventinthoseproperties.Youwilltestthedatabindinginthefin

4、alprocedure.(2)CreatingtheViewModelInthisprocedure,youcreatetheViewModel,whichisthelinkbetweentheModelandtheView.TheViewModelisacollectionthatcontainsobjectsfromtheModel,inthiscaseAccomplishmentobjects.TheViewModelusesanObservableCollection.Thisallowsittonotifyitsviewswhenitemsinthecollect

5、ionchangeandtheviewscanupdatetheuserinterfacebasedonthatchange.TheViewModelcontainsthecodetogetthecollectionofaccomplishments.First,youchecktheisolatedstoragetoseeiftheaccomplishmentsarealreadysaved.Ifyes,youuseisolatedstoragetopopulatethecollection.Ifnot,youpopulatethecollectionwithdefaul

6、taccomplishments.Inalaterprocedure,youwilladdthecodetosavetheaccomplishmentstoisolatedstorage.(3)CreatingtheFirstViewInthisprocedure,youcreateaviewtodisplaytheitemaccomplishments.Inalaterprocedure,youwilldisplaytheviewonapageandconnectittotheViewModelbysettingitsdatacontext.Notethatthereis

7、nocodebehindthisview.TheviewisausercontrolthatcontainsaListBoxboundtothedata.EachitemintheListBoxhasthefollowingthreecolumns.(4)CreatingtheMainApplicationPageInthisprocedure,youcreatethemainapplicationpage.Themainpagecontainsthetwoviewsthatyoucreatedpreviously