asked on

ASP.NET Context Sensitive Help from the database

I am having problems getting the application documented in this url to work when the help content is stored in a database:

http://aspnet.4guysfromrolla.com/articles/082306-1.aspx

I have attached my code snippet.

Thank you

<%@ Page Language="VB" AutoEventWireup="false" CodeFile="AnotherDemo.aspx.vb" Inherits="AnotherDemo" %>
----- AnotherDemo.aspx
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Another Context-Sensitive Help Demo</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
               
    </div>
    <div>
        <br />
                         
        <asp:image ID="budget" runat="server" imageurl="images/common/question.gif" />        
        </div>
    </form>
</body>
</html>
 
----- AnotherDemo.aspx.vb
Partial Class AnotherDemo
    Inherits ContextSensitiveHelp
 
    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
        AddContextSensitiveHelp(budget, "LongHelp", "generalhelp.aspx?cname=budget", True, 20, 5, 400, 300)
    End Sub
End Class
 
========= generalhelp.aspx
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="GeneralHelp.aspx.vb" Inherits="HelpFiles_GeneralHelp" %>
 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <link href="HelpFile.css" rel="stylesheet" type="text/css" />
    <title>General Help</title>
</head>
<body>
    <h1>General Help</h1>    
    <p><asp:Image runat="server" ImageAlign="Right" ImageUrl="~/Images/bookCover.jpg" ID="MyBookCoverImage" BorderColor="Black" BorderWidth="1px" BorderStyle="Solid" Width="100" Height="128" /></p>
    <asp:DataList ID="dtlgalleries"
   BorderStyle="Solid" 
   BorderWidth="1px"  
   runat="server" 
   PagerStyle-Visible="False">
                <ItemTemplate>                                   
                    <%# Eval("Help_Content") %>">                                
                </ItemTemplate>
                <ItemStyle VerticalAlign="Top" />
            </asp:DataList>  
            <asp:SqlDataSource ID="SMGRWEB_DataSource" runat="server"
    ConnectionString="<%$ ConnectionStrings:SITEdbConnectString %>" providername = "<%$ connectionstrings:SITEdbConnectString.ProviderName  %>"
    SelectCommand="dbo.P_SMGRWEB_WEBSITE_Show_Help_Content" SelectCommandType="StoredProcedure">
    <SelectParameters>
        <asp:Parameter Name="ControlName" Type="string" />
    </SelectParameters>
</asp:SqlDataSource> 
 
</body>
</html>
 
========= generalhelp.aspx.vb
Partial Class HelpFiles_GeneralHelp
    Inherits System.Web.UI.Page
 
 
    Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
 
 
        SMGRWEB_DataSource.SelectParameters("ControlName").DefaultValue = "budget" 'request.querystring("cname")
    End Sub
 
End Class
 
---- DB
 
CREATE PROCEDURE [dbo].[P_SMGRWEB_WEBSITE_Show_Help_Content]
(
 @ControlName VARCHAR(50)=NULL
)
AS
 
SET NOCOUNT ON
 
SELECT Help_Content FROM dbo.context_help
WHERE ControlName = @ControlName
 
SET NOCOUNT OFF
GO

Open in new window

Bob Learned

What problems are you having (exceptions, incorrect results, ...)?

DeMyu

ASKER

The generalhelp.aspx is not displaying the content from the database when passed the value of a querystring.

ASKER CERTIFIED SOLUTION

Bob Learned

membership

This solution is only available to members.

To access this solution, you must be a member of Experts Exchange.

Start Free Trial

DeMyu

ASKER

TheLearnedOne,

Thank you! That resolved my problem plus the datasourceid was not declared in the datalist declaration. <asp:DataList ID="dtlgalleries"
DataSourceID="SMGRWEB_DataSource"

Thank you again.