WalkThrough SharePoint WebPart ???? ?

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WalkThroughSharePoint WebPart ???? ?

• blog.joycode.com

Kaneboy MS MVP
?????WalkThrough?????????,????????? Thanks.
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?WalkThrough???

• ???WebPart??????(Connectable WebPart)

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????

• ??WebPart???????,????WalkThrough????4???WalkThroug
  h??????????(???)??????

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????Connectable WebPart
Provider WebPart
Consumer WebPart
???????????????(Cell)????(Row)??????(List)???
??(Filter)??(Parameters)
ICellProviderIRowProviderIListProviderIFilte
rProviderIParametersInProviderIParametersOutPr
ovider
ICellConsumer IRowConsumer IListConsumer
IFilterConsumerIParametersInConsumerIParamete
rsOutConsumer
??WebPart???????
??WebPart???????
? Provider WebPart????????Provider??? Consumer
WebPart????????Consumer??? Provider???Consumer??(
??Transformer)????????? ????????????WebPart??????
?
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????Provider WebPart(?)
?VS.NET????????Web Part Library,???SampleWebPar
t?????VS.NET?????WebPart1( WebPart1.cs?
WebPart1.dwp)??????,????Provider Web
Part,???CityProvider
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????Provider WebPart(?)
?????,VS.NET?????CityProvider???Microsoft.SharePoi
nt.WebPartPages.WebPart??,????ICellProvider??????I
CellPrivider?WebPart???????WebPart?????
??????EnsureInterfaces()???,?????????RegisterIn
terface()??(??8???)???,?????RegisterInterface
("CellProvider_WPQ_", "ICellProvider", WebPart.Unl
imitedConnections, ConnectionRunAt.Server, this, "
CellProviderInterface_WPQ_", ?????????", ??????
????????")
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????Provider WebPart(?)
?CityProvider??????????private DropDownList
cityList new DropDownList()?????OnLoad()??,
??????????protected override void
OnLoad(EventArgs e) if (cityList.Items.Count
0) cityList.DataSource new String
??, ??, ??" cityList.DataBind()
this.Controls.Add( cityList )
cityList.AutoPostBack true ????RenderWebPar
t()???,????????????protected override void
RenderWebPart(HtmlTextWriter output)
cityList.RenderControl(output)
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????Provider WebPart(?)
????PartCommunicationMain()??????????,??????????
??????????????public override void
PartCommunicationMain() if (CellReady !
null) // ??????????
CellReadyEventArgs cellReadyArgs new
CellReadyEventArgs() cellReadyArgs.Cell
cityList.SelectedItem.Text //
??CellReady????,????????? CellReady( this,
cellReadyArgs )
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????Consumer WebPart(?)
???,????Consumer Web Part,???CityConsumer
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????Consumer WebPart(?)
?????,VS.NET?????CityConsumer???Microsoft.SharePoi
nt.WebPartPages.WebPart??,????ICellConsumer??????I
CellConsumer?WebPart?????WebPart???????
??????EnsureInterfaces()???,?????????RegisterIn
terface()??(??8???)???,?????RegisterInterface
("CellConsumer_WPQ_", "ICellConsumer", WebPart.
LimitOneConnection, ConnectionRunAt.Server, this,
"CellConsumer_WPQ_", "?...?????????", "???????????
???")
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????Consumer WebPart(?)
????CellReader()???,??Provider
WebPart???????,?????????Text??public void
CellReady(object sender, CellReadyEventArgs
cellReadyArgs) if(cellReadyArgs.Cell !
null) Text "?????"
cellReadyArgs.Cell.ToString()
??CellReady()????SharePoint?????(??????)Pro
vider WebPart?CellReady??,?????????Provider
WebPart????????CellReady??????????????CityConsu
mer?,VS.NET???????Text??,??Text?????RenderWebPart
()???????????????????????
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?????WebPart??????
???,????????Dwp????,?????CityProvider.dwp?CityC
onsumer.dwp?????????Dwp?????
lt?xml version"1.0" encoding"utf-8"?gt ltWebPart
xmlns"http//schemas.microsoft.com/WebPart/v2"
gt ltTitlegtCityProviderlt/Titlegt
ltDescriptiongt?????????WebPartlt/Descriptiongt
ltAssemblygtSampleWebPartlt/Assemblygt
ltTypeNamegtSampleWebPart.CityProviderlt/TypeNamegt lt/
WebPartgtlt?xml version"1.0" encoding"utf-8"?gt
ltWebPart xmlns"http//schemas.microsoft.com/WebPa
rt/v2" gt ltTitlegtCityConsumerlt/Titlegt
ltDescriptiongt?????????WebPartlt/Descriptiongt
ltAssemblygtSampleWebPartlt/Assemblygt
ltTypeNamegtSampleWebPart.CityConsumerlt/TypeNamegt lt/
WebPartgt
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?????????WebPart
???WebPart????????,?????????????????,?????????????
????????????????,???????,????????????
???,??CityProvider WebPart????????,??????????????
?CityConsumer,????WebPart????????,?????CityCon
sumer WebPart????????,????????????????CityProvid
er,?????????????????
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?????WebPart???
???,???WebPart??????,CityConsumer??????CityProvide
r????????,?????????????
?CityProvider??????????????
????CityConsumer??????????????????
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???To Be Continued
blog.joycode.com
Kaneboy MS MVP