DataSource Controls :: Objectdatasource With A Generic Select Method - How To Pass The Type

Mar 14, 2011



The GetList method is as folllowing:


Now i can populate my gridview trough code by this: //gvwDiensten.DataSource = new BindingList<diensten>(dataManager.GetList<diensten>().ToList());But i would like to use an objectdatasource, so i created this:



But when running the page i get:

ObjectDataSource 'dsDiensten' could not find a non-generic method 'GetList' that has no parameters.

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DataSource Controls :: ObjectDataSource Could Not Find A Non - Generic Method Update?

Mar 11, 2010

error "ObjectDataSource 'ObjectDataSourceCaseDetails' could not find a non-generic method". I have an update method and my ObjectDataSource is hooked up to the method in my BLL. review my code below



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DataSource Controls :: ObjectDataSource 'odsDetail' Could Not Find A Non-generic Method 'Update'...

Jan 26, 2011

I try to update the detailview control. got this error messsage.

ObjectDataSource 'odsDetail' could not find a non-generic method 'Update' that has parameters: hospitalID, hospitalName, taxID, address1, address2, city, state, zip.


here's my edit function


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DataSource Controls :: ObjectDataSource - Update Method To Pass Entity To The Method In BLL Class?

Oct 18, 2010

I have an ObjectDataSource that I want to perform updates using a business entity i.e. Type="Object"). Since the values for the entity are within a user control, I have stored a reference to the control in Session and in the updating event, set the new instance to the value of the entity from the user contol property (which also pulls values from the form viaother properties of the control):

Protected Sub MasterDataSource_Updating(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.ObjectDataSourceMethodEventArgs) Handles MasterDataSource.Updating
Dim entity As New Login()
Dim accountControl As AccountInfo = TryCast(Session("AccountCtrl"), AccountInfo)
entity = accountControl.Entity
e.InputParameters.Add("entity", entity)
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And here's the markup for the datasource:

<asp:ObjectDataSource ID="MasterDataSource" runat="server" EnableCaching="true" CacheDuration="10"
SelectMethod="SelectAll" UpdateMethod="Update" TypeName="Data.DAL.LoginDAL">

My question is, how can I get the update method to pass this entity to the update method in my BLL class? It seems the Update method requires an ID or reference to the original object to use in determining whether any changes have taken place, but I don't really want to do this. In other words, I just want to use the Update event on my ObjectDataSource to pass my entity to the method ("Update") I set as a property and then let this business method handle the update of the data. Shown below, is the BLL update method I want to call:

Public Overloads Function Update(ByVal entity As Login)
If entity Is Nothing Then
Throw New ArgumentNullException("entity")
End If
MyBase.Update("UpdateLogin", entity.Username, entity.Password, entity.FirstName, entity.LastName, entity.Role, entity.Region, _
entity.Email, entity.Title, entity.TierID, entity.Street, entity.City, entity.State, entity.Zip, entity.Mobile, entity.Phone, entity.Fax)
End Function

When I try to call this as it stands now, I get an error: ObjectDataSource 'MasterDataSource' could not find a non-generic method 'Update' that has parameters: ID, entity. Previously, I'd set up a long list of parameters of basic data types (string, int, boolean), but this is rather cumbersome and I was hoping to use an entity for this (FYI, I also got the same type of error when I tried this approach, but with the ID as the
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i have this class

class MyDal
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I have this ASP.NET code:


My DAL code:

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C# - Error - Objectdatasource Could Not Find A Non-generic Method

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I am binding dropdown list using Object data source. I got an error like this

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< asp:DropDownList ID="ddlStatus" runat="server" DataSourceID="objDSStatus"
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< /asp:DropDownList>
< asp:ObjectDataSource ID="objDSStatus" runat="server" TypeName="DA"></asp:ObjectDataSource>
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Accessing BLL With ObjectDataSource - Could Not Find A Non-generic Method?

Nov 25, 2010

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private PersonenTableAdapter personenAdapter = null;
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Feb 3, 2010

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I'm trying to create a control out of a class I found, and one of the overridden functions is the following:

protected override void PerformDataBinding(IEnumerable data)

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Is it possible to pass a domain object as session parameter in an ObjectDataSource. I'm doing this:

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I have an objectDataSource to retrieve data and fill a listBox on edit

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I've an ObjectDataSource & its datasource from typed dataset which is bind to 3 textboxes.

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I could not see the insert query in my objectdatasource.

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Mar 9, 2010

Here is the "Update" method which is not updating.

It works if I remove "@original_UnitPrice" and "@original_OnHand" parameters from the "WHERE" clause.


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DataSource Controls :: Getting Returnvalue From Objectdatasource Delete Method?

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How and where can I get the returnvalue from my "DeleteGuestById" method to show the right error message to my user?

I have this:

Protected Sub gvGuestlist_OnRowCommand(ByVal sender As Object, ByVal e As GridViewCommandEventArgs) Handles gvGuestlist.RowCommand
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In my BLL:

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Return returnval
End Function

I think I have to be in the ObjectDatasources' "OnDeleted" method but I have no what code to place there.

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Jun 26, 2010

I am using Visual Studio 2010 for the first time. I program in MS Access for a long time at decide to move to the ASP world. My problem is that I design my first web .aspx default page with a simple data grid. I decided to connect the data via the business object data adapter. I use the Dataset designer to great the dataset. All looks well and works fine on my PC. But when moved to the server I get the Terror "The type specified in the TypeName property of ObjectDataSource not found".

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how to pass an object to the selectmethod of the objectdatasource control?

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Using Custom Class With Method That Takes Generic Type Parameter

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I have several custom classes that derive from a common base class so they share several members in common. I would like to be able to pass objecs from any of these three classes to a function that will "look at" common properties. However, it seems there is a catch 22 -- When I try to access a member (.FirstName) of the passed object, the computer reports an error that it thinks the member doesn't exist.

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I have a class constructor which accepts a Listbox.


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SuitableApplicant sa = new SuitableApplicant();
IList<HD.Recruitment.SuitableApplicant> list = new List<HD.Recruitment.SuitableApplicant>();
list = HS.Recruitment.RecruitmentService.GetSuitableAppls();
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DataSource Controls :: Programmatically Setting ODS Select Method And Select Parameters?

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The drop down list is used to determine what search criteria will be used to find an invoice. I tried to set the Select method in the switch statement. I don't understand how to set the Select Method and the select parameters programmatically though . I tried a few different ways but can't make the compiler happy. My ODS is in scope in the code behind. I'm not able to access it's properties though. The BAL resides in a separate project that is a ClassLibrary. I also have a using statement for the ClassLibrary project in the code behind.

give me an example of how to do this?

Mark up:





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