get an output value from a stored procedure using sqlDataSource

  • Thread starter Thread starter michelle
  • Start date Start date
M

michelle

I am trying to get an output value from a stored procedure using
sqlDataSource in asp.net 2.0. But I only get a null value for the
output. Can someone please help?


The sqlDataSource:

<asp:SqlDataSource ID="DataSource1" runat="server"
<SelectParameters>
<asp:Parameter Name="UserID" Type="String" />
<asp:Parameter Direction="InputOutput" Name="Role" Type="String" />
</SelectParameters>
</asp:SqlDataSource>

My stored Procedure is

CREATE PROCEDURE [dbo].[UserLkp]
@Hawkid varchar(30),
@eRole varchar(50) OUTPUT
as
select @eRole=eRole from eUsers Where eUser=@Hawkid
GO

I am using selected event of dataSource1 as in the following:

Protected Sub DataSource1_Selected(ByVal sender As Object, ByVal e As
System.Web.UI.WebControls.SqlDataSourceStatusEventArgs) Handles
eUserDataSource.Selected

Dim param As System.Data.SqlClient.SqlParameter
For Each param In e.Command.Parameters
Response.Write(Server.HtmlEncode(param.ParameterName) &
"=")
Response.Write(Server.HtmlEncode(param.Value) & " (")


Response.Write(Server.HtmlEncode(param.Value.GetType().ToString()) &
")<br />")
Next

End Sub
 
use sql profiler to see what parameter value is passed for @Hawkid.

-- bruce (sqlwork.com)


michelle said:
I am trying to get an output value from a stored procedure using
sqlDataSource in asp.net 2.0. But I only get a null value for the
output. Can someone please help?


The sqlDataSource:

<asp:SqlDataSource ID="DataSource1" runat="server"
<SelectParameters>
<asp:Parameter Name="UserID" Type="String" />
<asp:Parameter Direction="InputOutput" Name="Role" Type="String" />
</SelectParameters>
</asp:SqlDataSource>

My stored Procedure is

CREATE PROCEDURE [dbo].[UserLkp]
@Hawkid varchar(30),
@eRole varchar(50) OUTPUT
as
select @eRole=eRole from eUsers Where eUser=@Hawkid
GO

I am using selected event of dataSource1 as in the following:

Protected Sub DataSource1_Selected(ByVal sender As Object, ByVal e As
System.Web.UI.WebControls.SqlDataSourceStatusEventArgs) Handles
eUserDataSource.Selected

Dim param As System.Data.SqlClient.SqlParameter
For Each param In e.Command.Parameters
Response.Write(Server.HtmlEncode(param.ParameterName) &
"=")
Response.Write(Server.HtmlEncode(param.Value) & " (")


Response.Write(Server.HtmlEncode(param.Value.GetType().ToString()) &
")<br />")
Next

End Sub
Click to expand...
 
Hi Bruce,

I took out the input parameter and gave it a value, it still does not
work.

CREATE PROCEDURE [dbo].[UserLkp]
@eRole varchar(50) OUTPUT
as
select @eRole=eRole from eUsers Where eUser=eee'
GO
 
Change your parameter name into "eRole" and try again.

<asp:Parameter Direction="InputOutput" Name="eRole" Type="String" />


****************************************************************
Tapio Kulmala

"Those are my principles. If you don't like them I have others."

- Groucho Marx
****************************************************************
The sqlDataSource:

<asp:SqlDataSource ID="DataSource1" runat="server"
<SelectParameters>
<asp:Parameter Name="UserID" Type="String" />
<asp:Parameter Direction="InputOutput" Name="Role" Type="String" />
</SelectParameters>
</asp:SqlDataSource>

My stored Procedure is

CREATE PROCEDURE [dbo].[UserLkp]
@Hawkid varchar(30),
@eRole varchar(50) OUTPUT
as
select @eRole=eRole from eUsers Where eUser=@Hawkid
GO
Click to expand...
 
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