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GeneralRe: Messenger users online/offline? Pin
[DK]KiloDunse10-Nov-04 14:41
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GeneralRe: Messenger users online/offline? Pin
Christian Graus10-Nov-04 14:54
protectorChristian Graus10-Nov-04 14:54 
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[DK]KiloDunse10-Nov-04 14:58
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AnswerRe: Messenger users online/offline? Pin
Ray Cassick10-Nov-04 16:16
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[DK]KiloDunse10-Nov-04 16:20
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GeneralRe: Messenger users online/offline? Pin
Fade (Amit BS)10-Nov-04 16:41
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GeneralRe: Messenger users online/offline? Pin
[DK]KiloDunse10-Nov-04 16:48
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Generalconnecting two datatables within a dataset and forming relation HELP Pin
cavall10-Nov-04 12:27
Membercavall10-Nov-04 12:27 
I have an access Table with vendor_num and vendor_name fields.
I have an oracle Table which has a vendor_num field and other fields of details.

Initially, my thought was to pull the access table into a dataset and then pull the oracle table into the dataset, form a datarelation between the two, and use GetChildRows to pull the other details from the oracle table I pulled in.

however...

When I tried to do this I got an error b/c not all data in the child table (oracle table) had a parent...

Can someone point me in the right direction into either fixing this train of thought or a new method altogether, please?

Thanks
Cavall

Dim conn As New OdbcConnection("Driver={Microsoft Access Driver (*.mdb)};Dbq=C:\Documents and Settings\mwaters2\My Documents\VQM\testVQM.mdb;Uid=Admin;Pwd=;")
Dim da As New OdbcDataAdapter("SELECT Vendor_Num FROM Top50_test", conn)
Dim ds As New DataSet
da.Fill(ds, "Top50")
DataGrid1.DataSource = ds.Tables("Top50")
DataGrid1.DataBind()

Dim conn2 As New OleDbConnection("Provider=msdaora;Data Source=VQM;User Id=***;Password=***;")
Dim childSQL As String
childSQL = "" & _
"SELECT vendor.vendor_num, restratificationhistory.vend_accy " & _
"FROM vendor, restratificationhistory " & _
"WHERE vendor.vendor_num = restratificationhistory.vendor_num " & _
"AND restratificationhistory.dt_tm_added Between to_date('1/1/04','MM/DD/YY') AND to_date('11/10/04','MM/DD/YY')"
Dim da2 As New OleDbDataAdapter(childSQL, conn2)
da2.Fill(ds, "Details")

Dim parentCol As DataColumn = ds.Tables("Top50").Columns("Vendor_Num")
Dim childCol As DataColumn = ds.Tables("Details").Columns("Vendor_Num")
Dim dr As New DataRelation("VendorToDetails", parentCol, childCol)
ds.Relations.Add(dr)

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