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Combine multiple sources into one dataset

Posted on 2005-05-17
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Last Modified: 2012-05-05
I'm creating a sub routine that will be writing a flat, one row XML file to disk. No relations or parent/child stuff to worry about. There will be a number of different sources for values to be written - a couple different sprocs, as well as local values, Session and Request vars.

This is my first foray into the XML writer and I've reviewed a couple tutorials that are pointing me in the direction of using a DataSet as the source to output the XML from. My thinking at this point is that I'll build the Dataset from the various sources and then dump that to the xml writer.

Given that outline/overview of my intents I'd like to either be re-directed to a different stratagy or pointed to a tutorial or sample code that demonstrates the manual construction of a dataset from a variety of sources.

tx
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Question by:juststeve
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Bob Learned earned 1000 total points
ID: 14017878
Start with some sample VB code:

    Dim ds As New DataSet

    Dim dt As New DataTable("Table")

    dt.Columns.Add(New DataColumn("Column1", GetType(String)))
    dt.Columns.Add(New DataColumn("Column2", GetType(Integer)))
    dt.Columns.Add(New DataColumn("Column3", GetType(Boolean)))

    ds.Tables.Add(dt)

Bob
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Author Comment

by:juststeve
ID: 14018125
Ok...and inserting the values themselves looks to be as simple as:

    dt.Rows.Add(new Object() {Session("this_a_String"), dsDifferentOneFromSproc("ID"), TRUE)

?
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Expert Comment

by:Bob Learned
ID: 14018165
Try this instead:

Dim dr As DataRow = dt.NewRow

dr("Column1") = Session("this_a_String")
dr("Column2") = dsDifferentOneFromSproc("ID")
dr("Column3") = True

dt.Rows.Add(dr)

Bob
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