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See more: C# ASP.NET ADO.NET SQL
this is my SP:
ALTER proc [dbo].[autherlist]
@l nvarchar(1)=''
as 
IF @l = ''
BEGIN
SELECT [author_id], [F-name], [L-name]FROM [authors] ORDER BY [L-name]
end
else
begin
SELECT [author_id], [F-name], [L-name]FROM [authors] where [L-letter] = @l ORDER BY [L-name]
end
 
and this my datasource:
<asp:SqlDataSource ID="ds" runat="server" 
    ConnectionString="<%$ ConnectionStrings:ariaquoteConnectionString %>" 
    SelectCommand="autherlist" SelectCommandType="StoredProcedure">
    <SelectParameters>
        <asp:RouteParameter DefaultValue="" Name="l" RouteKey="letter" Type="String" />
    </SelectParameters>
</asp:SqlDataSource>
problem is this: SP execute well in sql manager, and with ado.net but with datasource show no record!
where is the problem?
Posted 5-Jul-12 7:58am

1 solution

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Solution 1

Set
CancelSelectOnNullParameter="false"
on your datasource. By default, if you do not specify a parameter, even though the SQL SP is OK with that, it will not execute.
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Comments
taha bahrami at 6-Jul-12 4:07am
   
thank you very much but it still doesn't work!
ryanb31 at 6-Jul-12 7:50am
   
Do a SQL trace in SQL Profiler to see what is happening. Or implement the Selecting event on your DataSource and look at the Command to make sure it is right. Also, RouteParameter is new to .Net 4 so make sure you are using it correctly.

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