How To Change Properties Of Class In ObjectDataSource Updating-Event
Aug 9, 2010
I have the following situation:My business class:
public class Foo
{
public String A {get;set;}
public DateTime B {get;set;}
// .. and other properties like
public String Intern {get;set;}
}
I'm binding that Item to a DetailsView in Editmode. (I bind a List containing a single object of Foo, becuase I do recall that I can only bind IEnumerable<> classes to the DetailView)The binding is done via a ObjectDataSource
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Feb 17, 2010
I have a vb.net class with properties defined as follows:
Private m_Property1 As String
Public Property Property1() As String
Get
Return m_Property1
End Get
Set(ByVal value As String)
If IsNothing(value) Then
m_Property1 = String.Empty
Else
m_Property1 = value
End If
End Set
End Property
I can then set the values as follows:
classname.Property1 = "myvalue"
How do I set the value of a property that is defined dynmically eg
Dim strPropertyName As String = "Property1"
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Jun 4, 2010
I'm trying to change a Label's text property and colour properties depending if an event occurs on the page behind file.
Does anyone have a similar issue?
if (((Label)FindControl("Label1")).Text != null) - //getting Object reference not set to an instance of an object.
{
Label Labelmerchantid = (Label)FindControl("Label1");
Labelmerchantid.Visible = true;
Labelmerchantid.ForeColor = System.Drawing.Color.Red;
}
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Mar 13, 2010
Using the following Webservice definition using aClientArgs as a complex type:
[System.Web.Script.Services.ScriptService]
public class Controller : System.Web.Services.WebService {
[WebMethod]
public void save_client(aClientArgs client)
{
// Save client data
}
}
Then defining aClientArgs as a sub-class:
public class aArgs
{
public string id = null;
public string name = null;
}
public class aClientArgs : aArgs
{
public string address = null;
public string website = null;
}
Returns the following WSDL fragment for the save_client args:
<save_client xmlns="http://tempuri.org/">
<client>
<address>string</address>
<website>string</website>
</client>
</save_client>
When I'm expecting the following:
<save_client xmlns="http://tempuri.org/">
<client>
<id>string</id>
<name>string</name>
<address>string</address>
<website>string</website>
</client>
</save_client>
So it appears that the .NET WebService is not treating inherited properties as arguments/variables for purposes of a web service. How do I get .NET to also use the properties of the base class?
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May 15, 2010
here is the code, where i am confused what to write in all the properties and functions of the base class stream?
I want to inherit abstract class Stream, but confused about what to write?
[Code]....
I could'nt understand how to define these Properties,Sub and Functions. How i start?
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Nov 7, 2010
In my ASP.NET application I am using a lot of ObjectDataSource controls. I want to set the following three properties globally for all ObjectDataSource controls:
EnableCaching="true"
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Mar 25, 2011
I have a FormView bound to an ObjectDataSource that is bound to a business logic object. The business logic object has a Readonly field called "Id". When I try to update the formview, I get the following error message: The 'Id' property on the type specified by the DataObjectTypeName property in ObjectDataSource 'ObjectDataSourceNewsArticle' is readonly and its value cannot be set. How do I get the ObjectDataSource or the FormView to recognise that the id field is readonly, and to not try to update it?
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Jul 5, 2011
Which is the correct event to handle Updating of a row in my gridview. The gridview is bound to an objectdatasource. I added a tamplate field like this to handle editing a row:
Code:
<asp:TemplateField ShowHeader="false">
<ItemTemplate>
<asp:LinkButton ID="lbEdit" runat="server" CausesValidation="False" CommandName="Edit" Text="Edit"> </asp:LinkButton>
</ItemTemplate>
[Code] ....
No I need to handle the Update Button click.I need to set the ObjectDatasources Update params and call the update method. I'm not sure which is the correct event to do this. IS it gridview_RowUpdating??
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Feb 22, 2010
I am using an ObjectDataSource control to call a MapInfo object. This object has two properties:
public IList Visits
public int TotalAvailable
The select method returns an IList but the TotalAvailable property is also populated. I have set the TypeName in the ObjectDataSource to the MapInfo object but because the Select method only returns the IList I don't have access to the TotalAvailable.
[code]....
Is there any way to access this value. I know it is being populated in the MapInfo object but all that gets returned from the Select method is the IList
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Mar 26, 2010
I've written a class that contains Select- and Update-Methods for an ObjectDataSource. The UpdateMethod receives an instance of a called class. My problem is, that only properties that are Bound in the DetailsView are set, the others have their default value.Here's my code:Class declaration:
public class Foo
{
public string Prop1 {get;set:}
public int Prop2 {get;set;}
[code]...
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Dec 17, 2010
I have a gridview with the ObjectDataSource and the Update does not work. When I click on Edit, I go to Edit mode but Update will not work at all. No errors. I do believe that it is in the RowUpdating method but cannot figure out how to call the method UpdateBook from the BookManager BAL.
BAL BookManager
[Code]....
Gridview
[Code]....
RowUpdating
[Code]....
Put in Breakpoints and it is getting to the RowUpdating but will not update.
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Jan 20, 2011
i have been following the asp.net data access tutorials on this site. When i try to update, nothing happens. I believe the problem lies with my wrong coding on the BLL part. I'm using table adapters. Could anyone point out what iswrong with my code or tell my what the correct code is?
[Code]....
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Jan 4, 2011
I am very new to updating the datasource using ObjectDatasource. I have a checkbox on click of update the update method triggers but though teh check box is checked, the value is updated as false.
<asp:TemplateField HeaderText="IsPrimary" SortExpression="IsPrimary">
<EditItemTemplate>
<asp:CheckBox runat="server" ID="chkIsPrimary" Checked='<%# Eval("IsPrimary") %>' />
</EditItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Remarks">
<EditItemTemplate>
<asp:TextBox ID="txtRemarks" runat="server" SkinID="longTextBox" TextMode="multiLine"
Text='<%# Bind("Remarks") %>'></asp:TextBox>
</EditItemTemplate>
</asp:TemplateField>......................
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Jun 22, 2010
I have a GridView containing records from a table which can be deleted or updated. If you want to edit a row, it should display the update and cancel buttons so that you can keep or cancel the current edit (I hide update and cancel as default). I am using the following asp for the button column of the GridView:
<asp:TemplateField visible ="true" >
<HeaderTemplate>
<div id = "header">Maintain</div>
[code]...
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Jul 28, 2010
i created an objectdatasource and bind DetailView to it.i want to set the objectdatasource.datasource to a object (for example Member class that is an Entity) it means that i want to show just one record to this with my custom method that is MemberModel.GetMemberByNationalID(string nationalID)
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Aug 3, 2010
I have a gridview I want to populate with an ObjectDataSource.Problem is, when I use the wizard, I cannot find the page the ObjectDataSource belongs to, in the business object list. I can see the classes in the App_Data and App_Code, but I want to use a method in this current page´s codebehind class.
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Jul 28, 2010
ObjectDataSource cannot find ProductsBLL Class(with "show only data component" unchecked)?ProductsBLL.cs is located at the root of the project.
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Jan 11, 2011
[Code]....
The object 'lst' is filled correctly with data. I have List<string> items in AName and DurationTime.I don't have an error, but I don't have any results.
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Sep 26, 2010
I'm using VWD 2010 Express and have found that when I change a property like AutoPostBack from within the property window the corresponding tag (<asp:TextBox...>) was not updated with the property change to the tag.
Is there a setting that I can change in the VWD properties that will enable changes through the property window for a control to automatically update the HTML tag for that control?
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Jul 22, 2010
i try to update the gridview i keep on getting the error like objectdatasource could not find a non generic method 'update' which has parameters a,b,c etc.i have done everything right but i cant seem to figure this one out.i am using objectdatasource,a class file and a dataset.xsd file.
[code]...
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Mar 29, 2011
I'm having trouble managing how to call upon databind from clicking on a row over an already populated repeater that will populate data regarding the row clicked TO another repeater on the same page.
I've succeeded doing that with postback, calling a jquery click event of that row, taking the data of the specific row and passing it onto a "Querystring" and after postpack, it will be pushed into a Session which the ObjectDataSource of the secondary repeater will recognize and populate the data tables accordingly.
The problem is, I must do it without a postback or in other words purely on client side.
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Mar 21, 2011
I am loading the dll as shown below,
Type[] _Type = Assembly.GetAssembly(typeof(StdAdapter)).GetTypes();
Now I want to get all the properties for a particular 'class name' which is being passed as a string.
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Dec 20, 2010
I have an ASPX page (import.aspx) that creates a new instance of a class.
[Code]....
I set several properties during a function call in import.aspx:
[Code]....
I have confirmed that the properties are being set correctly via debugging the application.
I have a user control on import.aspx. There is a function on import.aspx that gets called by a button click on the user control.
This function is:
[Code]....
When the UploadApp function is called, CaseNo is NOTHING.
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Jul 7, 2010
I've added sone profile properties.
[Code]....
I get a error that raid does not exist. I've tried both ways t and
[Code]....
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Mar 31, 2010
I'm reading a bit of Pro ASP.NET MVC Framework and following a few tutorials written in the book. In the very first tutorial, creating a MVC site for dinner (PartyInvites), I encoutered this problem. While I try to reference some properties from Model class, the compilation error occured. Eg. the following code failed.
[Code]....
and the error message
Compiler Error Message:
CS1061: 'object' does not contain a definition for 'Name' and no extension method 'Name' accepting a first argument of type 'object' could be found (are you missing a using directive or an assembly reference?) I imported the Model folder into the controller too. I dunno what I'm missing here. Sorry, if it sounds a bit umm hard to understand cuz I just started picking up MVC this morning. Looking for any input.
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