Please be kind to take a look
dsSeaInvInfo.Cl ear()
daSeaInvInfo.Se lectCommand = New SqlCommand
daSeaInvInfo.Se lectCommand.Con nection = conSea
daSeaInvInfo.Ta bleMappings.Add ("Table", "invoiceheader" )
daSeaInvInfo.Se lectCommand.Com mandText = "select * from
invoiceheader"
daSeaInvInfo.Fi ll(dsSeaInvInfo , "invoiceheader" )
daSeaInvInfo.Se lectCommand.Com mandText = "select * from
invoicedetail "
daSeaInvInfo.Fi ll(dsSeaInvInfo , "invoicedetail" )
Dim cb As New SqlCommandBuild er(daSeaInvInfo )
dtInvInfo = dsSeaInvInfo.Ta bles("invoicehe ader")
dtInvDetail = dsSeaInvInfo.Ta bles("invoicede tail")
Dim constraint_invn o As New ForeignKeyConst raint("fk_invno ",
dtInvInfo.Colum ns("number"), dtInvDetail.Col umns("number"))
dtInvDetail.Con straints.Add(co nstraint_invno)
dsSeaInvInfo.Re lations.Add("fk _invno",
dtInvInfo.Colum ns("number"), dtInvDetail.Col umns("number"), False)
'Marking Setting
Me.dgInvoiceDet ail.DataSource = dsSeaInvInfo
Me.dgInvoiceDet ail.DataMember = "InvoiceDetail. fk_invno" <-- it
return error (Cannot create a child list ............... ..)
I got another similar program with similar codes, it works fine. However,
for the above case, both "number" are char (20) , I don't know why I can't
create the child list
1  2125 
Sorry..I know my error .
Me.dgInvoiceDet ail.DataMember = "InvoiceDetail. fk_invno" <-should
be "InvoiceHeader. fk_invno"
"Agnes" <ag***@dynamict ech.com.hk> ¦b¶l¥ó
news:uR******** ********@TK2MSF TNGP11.phx.gbl ¤¤¼¶¼g... Please be kind to take a look
dsSeaInvInfo.Cl ear()
daSeaInvInfo.Se lectCommand = New SqlCommand
daSeaInvInfo.Se lectCommand.Con nection = conSea
daSeaInvInfo.Ta bleMappings.Add ("Table", "invoiceheader" )
daSeaInvInfo.Se lectCommand.Com mandText = "select * from
invoiceheader"
daSeaInvInfo.Fi ll(dsSeaInvInfo , "invoiceheader" )
daSeaInvInfo.Se lectCommand.Com mandText = "select * from
invoicedetail "
daSeaInvInfo.Fi ll(dsSeaInvInfo , "invoicedetail" )
Dim cb As New SqlCommandBuild er(daSeaInvInfo )
dtInvInfo = dsSeaInvInfo.Ta bles("invoicehe ader")
dtInvDetail = dsSeaInvInfo.Ta bles("invoicede tail")
Dim constraint_invn o As New ForeignKeyConst raint("fk_invno ",
dtInvInfo.Colum ns("number"), dtInvDetail.Col umns("number"))
dtInvDetail.Con straints.Add(co nstraint_invno)
dsSeaInvInfo.Re lations.Add("fk _invno",
dtInvInfo.Colum ns("number"), dtInvDetail.Col umns("number"), False)
'Marking Setting
Me.dgInvoiceDet ail.DataSource = dsSeaInvInfo
Me.dgInvoiceDet ail.DataMember = "InvoiceDetail. fk_invno" <-- it
return error (Cannot create a child list ............... ..)
I got another similar program with similar codes, it works fine. However,
for the above case, both "number" are char (20) , I don't know why I can't
create the child list
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