I am new to VB.net web programming and was wondering how to filter a
drop down from a value from another drop down.
On the first drop down I use a ODS and both the datavalue field and
data text field have been set. I also set the autopost back to true,
so I can capture the ID(datavalue field) in the selectionchanged
event(SELECTEDVALUE).
The method in the business object takes two parameters, one
string(user ID) and the other integer(TEST_ID). As the first parameter
uses the SessionParameter, I would like to capture the TEST_ID from
the DD#1. I understand that I can capture the TEST_ID in a session
variable and noted below, but is there another property that I can
just grab the SELECTEDVALUE from DD1 and add it to the
SELECTPARAMETERS tag? Something like this: <asp:Parameter
DefaultValue="" Name="DD1.SelectedValue" Type="integer" />
Noted below is the HTML code in designer mode:
<asp:DropDownList ID="ddl_2" runat="server" DataSourceID="ods2"
DataTextField="Name"
DataValueField="ID" " CssClass="formfield">
</asp:DropDownList>
<asp:ObjectDataSource ID="ods2" runat="server"
SelectMethod="get"
TypeName="BUSINESS_OBJECT">
<selectparameters>
<asp:SessionParameter DefaultValue="TEST_USER" Name="UserID"
SessionField="language" Type="String" />
<asp:Parameter DefaultValue="" Name="DD1.SelectedValue"
Type="integer" />
</selectparameters>
</asp:ObjectDataSource>
Thanks
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