If Then In A SelectCommand

May 12, 2007

Hi all,

I want to do something like this, but I cannot get it working:

<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:AFS_WAWI_DBConnectionString1 %>"
<%
If Session("my") = "123" then
SelectCommand="SELECT [nr1] FROM [Artikel]"
Else
SelectCommand="SELECT [nr2] FROM [Artikel]"
End if 
%></asp:SqlDataSource>

 Is that possible and how can I manage that?

Thanks for your answers, Chris.

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SelectCommand Problem

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for some reason the following code fails. I want to present all of the information of the CD (from table B)that inlcudes the song name the user types in the text box(table A).
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}
 
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Hi all,
I've been trying to rack my brains over this one; When I use this select statement in SqlDataAdapter, it runs fine; it takes about 4 to 5 seconds to run.  In SqlDataSource, its very erratic; taking between 8 to 71 seconds to run.  I've finally narrowed down the issue to something that resolves the symptoms to something in my query;
SELECT     f.UnitID, f.FacilityName, SUM(CASE WHEN t .sData_Type = 'CLINICAL' THEN t .nWrite_Off_Amt ELSE 0 END) AS Sum_Clinical,                       SUM(CASE WHEN t .sData_Type = 'OTHERS' THEN t .nWrite_Off_Amt ELSE 0 END) AS Sum_Others, SUM(t.nWrite_Off_Amt) AS Sum_Total,                       SUM(t.nCashAmount) AS Sum_Cash, t.iYearFROM         t LEFT OUTER JOIN                      d ON t.sUnitID = d.sUnitID AND t.sPat_Num = d.sPat_Num AND t.iMonth = d.iMonth AND t.iYear = d.iYear LEFT OUTER JOIN                      tblFac AS f ON t.sUnitID = f.UnitID_1WHERE     (t.iYear = @year) AND (t.iMonth = @month) AND (@UnitID IN ('08948', RIGHT('0' + f.Division, 5)))GROUP BY f.UnitID, t.iYear, f.FacilityName, f.Division
If I change my WHERE clause to the following
WHERE     (@year = t.iYear) AND (@month = t.iMonth) AND (@UnitID IN ('08948', RIGHT('0' + f.Division, 5)))
performance is MUCH better.  How could such a little change make such a big difference in speed?
Thanks.
-e

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Partial Class Private_SearchResultsInherits System.Web.UI.Page
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Dim Table As String
Dim SearchString As StringSearchString = Request.QueryString("SearchString")
Table = Request.QueryString("Table")
If Len(Trim(SearchString)) > 0 ThenSelect Case Table
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End Select
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GridView1.DataBind()End Sub
End Class
 
Here is also my code to the front end of the page...
 
<%@ Page Language="VB" MasterPageFile="~/MasterPage.master" AutoEventWireup="false" CodeFile="SearchResults.aspx.vb" Inherits="Private_SearchResults" title="Search Results" %>
<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
<br />
<strong><span style="font-family: Tahoma">Search Results<br />
<br /></span></strong>
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder2" Runat="Server">
<asp:Label ID="Label1" runat="server" Font-Names="Tahoma" Font-Size="10pt"></asp:Label><br />
<asp:GridView ID="GridView1" runat="server" CellPadding="4" ForeColor="#333333" GridLines="None" DataSourceID="SqlDataSource1" Width="1020px">
<FooterStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />
<RowStyle BackColor="#F7F6F3" ForeColor="#333333" Font-Names="tahoma" Font-Size="Small" />
<EditRowStyle BackColor="#999999" />
<SelectedRowStyle BackColor="#E2DED6" Font-Bold="True" ForeColor="#333333" />
<PagerStyle BackColor="#284775" ForeColor="White" HorizontalAlign="Center" />
<HeaderStyle BackColor="Indigo" Font-Bold="True" ForeColor="White" Font-Names="tahoma" Font-Size="Small" />
<AlternatingRowStyle BackColor="White" ForeColor="#284775" /></asp:GridView>
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:CRMConnectionString %>"></asp:SqlDataSource>
</asp:Content>
 

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