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GridView + ObjectDataSourc e + web service

I am displaying data from a web service in a DataGrid, using an
ObjectDataSourc e. Retrieving and displaying data is working fine, but there
is a problem using Edit mode in the GridView. If my GridView contains
columns that correspond exactly to the input parameters for the UpdateMethod
of the ObjectDataSourc e, then everything works. However, there are some
columns in the DataGrid that should be invisible or read-only. When I set
the Visible attribute of the BoundColumn to true, the column value is not
sent in the web service request for the UpdateMethod.

Here is the web service request body when my SubjectID column is visible:

<UpdateBalanceI nput xmlns="urn:sche mas-kronos-com:wsdl">
<SubjectID xmlns="">2</SubjectID>
<BalanceTypeI D xmlns="">1</BalanceTypeID>
<Quantity xmlns="">2</Quantity>
<Unit xmlns="">Days</Unit>
<Operation xmlns="">reset</Operation>
</UpdateBalanceIn put>

And here's the request after setting the Visible attribute of the bound
column to false (because its value is selected from another control):

<UpdateBalanceI nput xmlns="urn:sche mas-kronos-com:wsdl">
<BalanceTypeI D xmlns="">1</BalanceTypeID>
<Quantity xmlns="">0</Quantity>
<Unit xmlns="">Days</Unit>
<Operation xmlns="">reset</Operation>
</UpdateBalanceIn put>

Can anyone tell me why making a bound column invisible causes the
ObjectDataSourc e to omit its value, so that the web service call is missing a
parameter? Is there any workaround?

Feb 28 '07 #1
0 1538

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