Hi ALL,
I wonder if anyone has been using n-tier to bind to a GridView control by
using the ObjectDataSourc e. This is our first OOP web application, and we
have no tables. Right now we are simply working with objects in memory.
So, it appears as though Microsoft requires that our datamapper classes
reside inside a folder called "App_Code", and NO WHERE ELSE.
So, has anyone successfully been able to place their datamappers in a
location other than "App_Code", and actually retrieve records from a
datamapper class?
TIA, Randy 5 2650
Hi Phillip,
I rally appreciate your help. I like your sample "Dropdownli st within a
GridView", but I do have a few questions about your ObjectDataSourc e.
Here is the code I'm interested in:
<asp:ObjectData Source ID="odsProducts " runat="server"
SelectMethod="P roductByID"
TypeName="WEBSW APP_BLL.Demos"
DataObjectTypeN ame="WEBSWAPP_B LL.clsProduct">
<SelectParamete rs>
<asp:ControlPar ameter
ControlID="ddlP roducts" Name="productID " PropertyName="S electedValue"
Type="String" />
</SelectParameter s>
</asp:ObjectDataS ource>
1) I presume that "WEBSWAPP_B LL" is a DLL, right? Where is it located in
your folder structure?
2) I see that you are using "TypeName". I presume that "Demos" is the class
inside your "WEBSWAPP_B LL" DLL, right?
3) Did you have to add any specific entries into the web.config file to get
it to work?
4) I haven't seen your "default.aspx.c s" code, but do you have this
reference: "using WEBSWAPP_BLL;" (C#)?
Many thanks, Randy
"Phillip Williams" <WE******@newsg roups.nospamwro te in message
news:DA******** *************** ***********@mic rosoft.com...
Hello Randy,
You can compile your domain layer into a separate assembly and add a
reference to it in your project (all the demos on my website are build
using
this strategy) or you can also download the "Visual Studio 2005 Web
Application Projects" to build applications in the same way as you used to
VS2003 where you do not have to put your datamappers in the App_Code
folder http://msdn2.microsoft.com/en-us/asp.net/aa336618.aspx
--
HTH,
Phillip Williams http://www.societopia.net http://www.webswapp.com
"Randy Smith" wrote:
>Hi ALL, I wonder if anyone has been using n-tier to bind to a GridView control by using the ObjectDataSourc e. This is our first OOP web application, and we have no tables. Right now we are simply working with objects in memory.
So, it appears as though Microsoft requires that our datamapper classes reside inside a folder called "App_Code", and NO WHERE ELSE.
So, has anyone successfully been able to place their datamappers in a location other than "App_Code", and actually retrieve records from a datamapper class?
TIA, Randy
Hi,
Well, I've changed my ObjectDataSourc e to match your examples, but I am
still not getting any data. I wonder if you can post the code for
"default.aspx.c s" (within "Dropdownli st within a GridView". I'm
particularly interested in seeing how you go about doing the "databind",
which may be my problem.
Many, many thanks!!! Randy
"Phillip Williams" <WE******@newsg roups.nospamwro te in message
news:34******** *************** ***********@mic rosoft.com...
Hello Randy,
For the purpose of my website where the demos do not have real business
logic (it is just a presentation logic built on top of a dataset),
WEBSWAPP_BLL is just a domain layer with a dataset.
The DAL in that demos website is a VS generated dataset named Samples.xsd
(which is not listed on the website). Its structure (a typed dataset of a
collection of datatables) is not necessary to understanding the demos that
I
placed to demonstrate the ASP.NET server controls features. I load it
into
the application cache to allow the users to write to the dataset in cache
but
then I do not persist their entries on the data store.
The class named WEBSWAPP_BLL.De mos is the compiled into a separate
assembly
from another project (class library), which is not within the folders
structure of the web application. I only add the compiled assembly (dll
file) to the bin folder on the web application (by adding a reference to
the
class library project into my web application project).
So to answer to your questions:
1- A separate class library project compiled into a dll that is copied to
the bin folder of the website
2- Yes
3- No.
4- No.
--
HTH,
Phillip Williams http://www.societopia.net http://www.webswapp.com
"Randy Smith" wrote:
>Hi Phillip, I rally appreciate your help. I like your sample "Dropdownli st within a GridView", but I do have a few questions about your ObjectDataSourc e.
Here is the code I'm interested in: <asp:ObjectData Source ID="odsProducts " runat="server" SelectMethod=" ProductByID" TypeName="WEBSW APP_BLL.Demos" DataObjectType Name="WEBSWAPP_ BLL.clsProduct" > <SelectParamete rs> <asp:ControlPar ameter ControlID="ddl Products" Name="productID " PropertyName="S electedValue" Type="String" /> </SelectParameter s> </asp:ObjectDataS ource>
1) I presume that "WEBSWAPP_B LL" is a DLL, right? Where is it located in your folder structure? 2) I see that you are using "TypeName". I presume that "Demos" is the class inside your "WEBSWAPP_B LL" DLL, right? 3) Did you have to add any specific entries into the web.config file to get it to work? 4) I haven't seen your "default.aspx.c s" code, but do you have this reference: "using WEBSWAPP_BLL;" (C#)?
Many thanks, Randy
"Phillip Williams" <WE******@newsg roups.nospamwro te in message news:DA******* *************** ************@mi crosoft.com...
Hello Randy,
You can compile your domain layer into a separate assembly and add a
reference to it in your project (all the demos on my website are build
using
this strategy) or you can also download the "Visual Studio 2005 Web
Application Projects" to build applications in the same way as you used
to
VS2003 where you do not have to put your datamappers in the App_Code
folder http://msdn2.microsoft.com/en-us/asp.net/aa336618.aspx
--
HTH,
Phillip Williams http://www.societopia.net http://www.webswapp.com
"Randy Smith" wrote:
Hi ALL, I wonder if anyone has been using n-tier to bind to a GridView control by using the ObjectDataSourc e. This is our first OOP web application, and we have no tables. Right now we are simply working with objects in memory.
So, it appears as though Microsoft requires that our datamapper classes reside inside a folder called "App_Code", and NO WHERE ELSE.
So, has anyone successfully been able to place their datamappers in a location other than "App_Code", and actually retrieve records from a datamapper class?
TIA, Randy
So,
Do I understand that you didn't need to do any sort of "databind"? I had
this code in my Page_Load event:
gvMaterialRates .DataSource = ObjectDataSourc e1;
gvMaterialRates .DataBind();
I've tried it several different ways:
1) As above
2) With the "DataSource " line commented out, and the other line active.
3) With the "DataBind" line commented out, and the other line active.
4) With both lines commented out.
I'll try the debug route and see what happens.
Randy
"Phillip Williams" <WE******@newsg roups.nospamwro te in message
news:17******** *************** ***********@mic rosoft.com...
Have you tried stepping in debug mode with break points within the BLL &
DAL
to see if the web interface is calling the methods of your object library?
It might be an issue of the structure of your namespaces. In my demos I
put
the fully qualified name of the class starting from the root namespace,
e.g.
WEBSWAPP_BLL.De mos is the fully qualified path.
In your case it might be something like MyCompany.Modul es.App1.classNa me.
Make sure you put the fully qualified path in the values for TypeName and
DataObjectTypeN ame properties of the ObjectDataSourc e. Then set break
points
within those methods to debug in VS.
--
HTH,
Phillip Williams http://www.societopia.net http://www.webswapp.com
"Randy Smith" wrote:
>Hi, Well, I've changed my ObjectDataSourc e to match your examples, but I am still not getting any data. I wonder if you can post the code for "default.aspx. cs" (within "Dropdownli st within a GridView". I'm particularly interested in seeing how you go about doing the "databind", which may be my problem. Many, many thanks!!! Randy
"Phillip Williams" <WE******@newsg roups.nospamwro te in message news:34******* *************** ************@mi crosoft.com...
Hello Randy,
For the purpose of my website where the demos do not have real business
logic (it is just a presentation logic built on top of a dataset),
WEBSWAPP_BLL is just a domain layer with a dataset.
The DAL in that demos website is a VS generated dataset named
Samples.xsd
(which is not listed on the website). Its structure (a typed dataset
of a
collection of datatables) is not necessary to understanding the demos
that
I
placed to demonstrate the ASP.NET server controls features. I load it
into
the application cache to allow the users to write to the dataset in
cache
but
then I do not persist their entries on the data store.
The class named WEBSWAPP_BLL.De mos is the compiled into a separate
assembly
from another project (class library), which is not within the folders
structure of the web application. I only add the compiled assembly
(dll
file) to the bin folder on the web application (by adding a reference
to
the
class library project into my web application project).
So to answer to your questions:
1- A separate class library project compiled into a dll that is copied
to
the bin folder of the website
2- Yes
3- No.
4- No.
--
HTH,
Phillip Williams http://www.societopia.net http://www.webswapp.com
"Randy Smith" wrote:
Hi Phillip, I rally appreciate your help. I like your sample "Dropdownli st within a GridView", but I do have a few questions about your ObjectDataSourc e.
Here is the code I'm interested in: <asp:ObjectData Source ID="odsProducts " runat="server" SelectMethod=" ProductByID" TypeName="WEBSW APP_BLL.Demos" DataObjectType Name="WEBSWAPP_ BLL.clsProduct" > <SelectParamete rs> <asp:ControlPar ameter ControlID="ddl Products" Name="productID " PropertyName="S electedValue" Type="String" /> </SelectParameter s> </asp:ObjectDataS ource>
1) I presume that "WEBSWAPP_B LL" is a DLL, right? Where is it located in your folder structure? 2) I see that you are using "TypeName". I presume that "Demos" is the class inside your "WEBSWAPP_B LL" DLL, right? 3) Did you have to add any specific entries into the web.config file to get it to work? 4) I haven't seen your "default.aspx.c s" code, but do you have this reference: "using WEBSWAPP_BLL;" (C#)?
Many thanks, Randy
"Phillip Williams" <WE******@newsg roups.nospamwro te in message news:DA******* *************** ************@mi crosoft.com...
Hello Randy,
You can compile your domain layer into a separate assembly and add a
reference to it in your project (all the demos on my website are
build
using
this strategy) or you can also download the "Visual Studio 2005 Web
Application Projects" to build applications in the same way as you
used
to
VS2003 where you do not have to put your datamappers in the App_Code
folder http://msdn2.microsoft.com/en-us/asp.net/aa336618.aspx
--
HTH,
Phillip Williams http://www.societopia.net http://www.webswapp.com
"Randy Smith" wrote:
Hi ALL, I wonder if anyone has been using n-tier to bind to a GridView control by using the ObjectDataSourc e. This is our first OOP web application, and we have no tables. Right now we are simply working with objects in memory.
So, it appears as though Microsoft requires that our datamapper classes reside inside a folder called "App_Code", and NO WHERE ELSE.
So, has anyone successfully been able to place their datamappers in a location other than "App_Code", and actually retrieve records from a datamapper class?
TIA, Randy
UPDATE:
I debugged the "FetchAllRa tes" and found that it was showing a count of ZERO
records, even though I have 3 rows in the object. It then dawned on me that
our consultant switched us over to ApplicationMana ger.cs. This piece of
code actually returns a count of 3, whereas my direct code retrieves ZERO.
lblRows.Text =
ApplicationMana ger.MaterialRat eDM.FetchAllRat es().Count.ToSt ring();
//returns 3 rows
Here's the code I was using for my ObjectDataSourc e:
<asp:ObjectData Source ID="ObjectDataS ource1" runat="server"
SelectMethod="F etchAllRates" TypeName="GWO.M aterialRateData Mapper"
EnablePaging="f alse">
</asp:ObjectDataS ource>
If I replace the "GWO.MaterialRa teDataMapper" with
"ApplicationMan ager.MaterialRa teDM", I get an error indicating that
"FetchAllRa tes" could not be found.
"Phillip Williams" <WE******@newsg roups.nospamwro te in message
news:CC******** *************** ***********@mic rosoft.com...
That's correct. The ObjectDataSourc e encapsulates the logic for
retrieving
the data and the GridView uses the value of the DataSourceID property to
locate the ObjectDataSourc e control within the page's controls hierarchy
and
automatically binds the data.
You can still use the programmatic approach if you wish, in which case you
would not need to place an ObjectDataSourc e on the page.
You can read further about the GridView: http://msdn2.microsoft.com/en-gb/lib....gridview.aspx
--
HTH,
Phillip Williams http://www.societopia.net http://www.webswapp.com
"Randy Smith" wrote:
>So, Do I understand that you didn't need to do any sort of "databind"? I had this code in my Page_Load event: gvMaterialRates .DataSource = ObjectDataSourc e1;
gvMaterialRates .DataBind();
I've tried it several different ways: 1) As above 2) With the "DataSource " line commented out, and the other line active. 3) With the "DataBind" line commented out, and the other line active. 4) With both lines commented out.
I'll try the debug route and see what happens.
Randy
"Phillip Williams" <WE******@newsg roups.nospamwro te in message news:17******* *************** ************@mi crosoft.com...
Have you tried stepping in debug mode with break points within the BLL
&
DAL
to see if the web interface is calling the methods of your object
library?
It might be an issue of the structure of your namespaces. In my demos I
put
the fully qualified name of the class starting from the root namespace,
e.g.
WEBSWAPP_BLL.De mos is the fully qualified path.
In your case it might be something like
MyCompany.Modul es.App1.classNa me.
Make sure you put the fully qualified path in the values for TypeName
and
DataObjectTypeN ame properties of the ObjectDataSourc e. Then set break
points
within those methods to debug in VS.
--
HTH,
Phillip Williams http://www.societopia.net http://www.webswapp.com
"Randy Smith" wrote:
Hi, Well, I've changed my ObjectDataSourc e to match your examples, but I am still not getting any data. I wonder if you can post the code for "default.aspx. cs" (within "Dropdownli st within a GridView". I'm particularly interested in seeing how you go about doing the "databind", which may be my problem. Many, many thanks!!! Randy
"Phillip Williams" <WE******@newsg roups.nospamwro te in message news:34******* *************** ************@mi crosoft.com...
Hello Randy,
For the purpose of my website where the demos do not have real
business
logic (it is just a presentation logic built on top of a dataset),
WEBSWAPP_BLL is just a domain layer with a dataset.
The DAL in that demos website is a VS generated dataset named
Samples.xsd
(which is not listed on the website). Its structure (a typed
dataset
of a
collection of datatables) is not necessary to understanding the
demos
that
I
placed to demonstrate the ASP.NET server controls features. I load
it
into
the application cache to allow the users to write to the dataset in
cache
but
then I do not persist their entries on the data store.
The class named WEBSWAPP_BLL.De mos is the compiled into a separate
assembly
from another project (class library), which is not within the
folders
structure of the web application. I only add the compiled assembly
(dll
file) to the bin folder on the web application (by adding a
reference
to
the
class library project into my web application project).
So to answer to your questions:
1- A separate class library project compiled into a dll that is
copied
to
the bin folder of the website
2- Yes
3- No.
4- No.
--
HTH,
Phillip Williams http://www.societopia.net http://www.webswapp.com
"Randy Smith" wrote:
Hi Phillip, I rally appreciate your help. I like your sample "Dropdownli st within a GridView", but I do have a few questions about your ObjectDataSour ce.
Here is the code I'm interested in: <asp:ObjectData Source ID="odsProducts " runat="server" SelectMethod=" ProductByID" TypeName="WEBSW APP_BLL.Demos" DataObjectType Name="WEBSWAPP_ BLL.clsProduct" > <SelectParamete rs> <asp:ControlPar ameter ControlID="ddl Products" Name="productID " PropertyName=" SelectedValue" Type="String" /> </SelectParameter s> </asp:ObjectDataS ource>
1) I presume that "WEBSWAPP_B LL" is a DLL, right? Where is it located in your folder structure? 2) I see that you are using "TypeName". I presume that "Demos" is the class inside your "WEBSWAPP_B LL" DLL, right? 3) Did you have to add any specific entries into the web.config file to get it to work? 4) I haven't seen your "default.aspx.c s" code, but do you have this reference: "using WEBSWAPP_BLL;" (C#)?
Many thanks, Randy
"Phillip Williams" <WE******@newsg roups.nospamwro te in message news:DA******* *************** ************@mi crosoft.com...
Hello Randy,
You can compile your domain layer into a separate assembly and
add a
reference to it in your project (all the demos on my website are
build
using
this strategy) or you can also download the "Visual Studio 2005
Web
Application Projects" to build applications in the same way as
you
used
to
VS2003 where you do not have to put your datamappers in the
App_Code
folder http://msdn2.microsoft.com/en-us/asp.net/aa336618.aspx
--
HTH,
Phillip Williams http://www.societopia.net http://www.webswapp.com
"Randy Smith" wrote:
Hi ALL, I wonder if anyone has been using n-tier to bind to a GridView control by using the ObjectDataSourc e. This is our first OOP web application, and we have no tables. Right now we are simply working with objects in memory.
So, it appears as though Microsoft requires that our datamapper classes reside inside a folder called "App_Code", and NO WHERE ELSE.
So, has anyone successfully been able to place their datamappers in a location other than "App_Code", and actually retrieve records from a datamapper class?
TIA, Randy
Have you tried stepping in debug mode with break points within the BLL & DAL
to see if the web interface is calling the methods of your object library?
It might be an issue of the structure of your namespaces. In my demos I put
the fully qualified name of the class starting from the root namespace, e.g.
WEBSWAPP_BLL.De mos is the fully qualified path.
In your case it might be something like MyCompany.Modul es.App1.classNa me.
Make sure you put the fully qualified path in the values for TypeName and
DataObjectTypeN ame properties of the ObjectDataSourc e. Then set break points
within those methods to debug in VS.
--
HTH,
Phillip Williams http://www.societopia.net http://www.webswapp.com
"Randy Smith" wrote:
Hi,
Well, I've changed my ObjectDataSourc e to match your examples, but I am
still not getting any data. I wonder if you can post the code for
"default.aspx.c s" (within "Dropdownli st within a GridView". I'm
particularly interested in seeing how you go about doing the "databind",
which may be my problem.
Many, many thanks!!! Randy
"Phillip Williams" <WE******@newsg roups.nospamwro te in message
news:34******** *************** ***********@mic rosoft.com...
Hello Randy,
For the purpose of my website where the demos do not have real business
logic (it is just a presentation logic built on top of a dataset),
WEBSWAPP_BLL is just a domain layer with a dataset.
The DAL in that demos website is a VS generated dataset named Samples.xsd
(which is not listed on the website). Its structure (a typed dataset of a
collection of datatables) is not necessary to understanding the demos that
I
placed to demonstrate the ASP.NET server controls features. I load it
into
the application cache to allow the users to write to the dataset in cache
but
then I do not persist their entries on the data store.
The class named WEBSWAPP_BLL.De mos is the compiled into a separate
assembly
from another project (class library), which is not within the folders
structure of the web application. I only add the compiled assembly (dll
file) to the bin folder on the web application (by adding a reference to
the
class library project into my web application project).
So to answer to your questions:
1- A separate class library project compiled into a dll that is copied to
the bin folder of the website
2- Yes
3- No.
4- No.
--
HTH,
Phillip Williams http://www.societopia.net http://www.webswapp.com
"Randy Smith" wrote:
Hi Phillip,
I rally appreciate your help. I like your sample "Dropdownli st within a
GridView", but I do have a few questions about your ObjectDataSourc e.
Here is the code I'm interested in:
<asp:ObjectData Source ID="odsProducts " runat="server"
SelectMethod="P roductByID"
TypeName="WEBSW APP_BLL.Demos"
DataObjectTypeN ame="WEBSWAPP_B LL.clsProduct">
<SelectParamete rs>
<asp:ControlPar ameter
ControlID="ddlP roducts" Name="productID " PropertyName="S electedValue"
Type="String" />
</SelectParameter s>
</asp:ObjectDataS ource>
1) I presume that "WEBSWAPP_B LL" is a DLL, right? Where is it located in
your folder structure?
2) I see that you are using "TypeName". I presume that "Demos" is the
class
inside your "WEBSWAPP_B LL" DLL, right?
3) Did you have to add any specific entries into the web.config file to
get
it to work?
4) I haven't seen your "default.aspx.c s" code, but do you have this
reference: "using WEBSWAPP_BLL;" (C#)?
Many thanks, Randy
"Phillip Williams" <WE******@newsg roups.nospamwro te in message
news:DA******** *************** ***********@mic rosoft.com...
Hello Randy,
You can compile your domain layer into a separate assembly and add a
reference to it in your project (all the demos on my website are build
using
this strategy) or you can also download the "Visual Studio 2005 Web
Application Projects" to build applications in the same way as you used
to
VS2003 where you do not have to put your datamappers in the App_Code
folder http://msdn2.microsoft.com/en-us/asp.net/aa336618.aspx
--
HTH,
Phillip Williams http://www.societopia.net http://www.webswapp.com
"Randy Smith" wrote:
Hi ALL,
I wonder if anyone has been using n-tier to bind to a GridView control
by
using the ObjectDataSourc e. This is our first OOP web application,
and
we
have no tables. Right now we are simply working with objects in
memory.
So, it appears as though Microsoft requires that our datamapper
classes
reside inside a folder called "App_Code", and NO WHERE ELSE.
So, has anyone successfully been able to place their datamappers in a
location other than "App_Code", and actually retrieve records from a
datamapper class?
TIA, Randy
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by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can effortlessly switch the default language on Windows 10 without reinstalling. I'll walk you through it.
First, let's disable language synchronization. With a Microsoft account, language settings sync across devices. To prevent any complications,...
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by: Oralloy |
last post by:
Hello folks,
I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>".
The problem is that using the GNU compilers, it seems that the internal comparison operator "<=>" tries to promote arguments from unsigned to signed.
This is as boiled down as I can make it.
Here is my compilation command:
g++-12 -std=c++20 -Wnarrowing bit_field.cpp
Here is the code in...
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by: jinu1996 |
last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven tapestry of website design and digital marketing. It's not merely about having a website; it's about crafting an immersive digital experience that captivates audiences and drives business growth.
The Art of Business Website Design
Your website is...
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by: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows Update option using the Control Panel or Settings app; it automatically checks for updates and installs any it finds, whether you like it or not. For most users, this new feature is actually very convenient. If you want to control the update process,...
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by: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each protocol has its own unique characteristics and advantages, but as a user who is planning to build a smart home system, I am a bit confused by the choice of these technologies. I'm particularly interested in Zigbee because I've heard it does some...
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by: agi2029 |
last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing, and deployment—without human intervention. Imagine an AI that can take a project description, break it down, write the code, debug it, and then launch it, all on its own....
Now, this would greatly impact the work of software developers. The idea...
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by: 6302768590 |
last post by:
Hai team
i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
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by: muto222 |
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How can i add a mobile payment intergratation into php mysql website.
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