Forms Data Controls :: Object Datasource Autobind?

Feb 15, 2010

I've a listview where in am using object datasource to bind the data.I've few questions with the object datasource. Will object datasource load the page twice?Also is there any way to stop listview autobind with object datasource i.e i want the listview binding to be controlled by code behind. Now i see i cant control the listview binding on page load.. object datasource is taking care of that?The problem i'm facing is that am getting my control coming to page load twice.

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DataSource Controls :: Inserting Data With Object Datasource?

Aug 9, 2010

This is the first time I have been working on databases and I am trying to insert data using an object datasource but no data is being inserted and no exception is thrown. I'm not sure where I am going to wrong. I am putting user data into session variables and inserting the session variables into the dataacess class layer and have a try and exception but nothing being thrown. Any help would be really appreciated because I don't know even where to start looking with this or how I can get the error to be thrown. Please see some of my code below to give an idea of what I am doing

Object Access Class
public void InsertCarPolicyHolder(PolicyHolderClass ph, CarInsuranceOptions options)
{

[code]...

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Forms Data Controls :: How To Read Data From Stored Proceedure And Display To Gridview Using Object Datasource

Dec 8, 2010

I have an object datasource which is using Business object as a myconnection

The method i have defined under myconnection is

Publicstatic
DataTable getfn(String dtype,
String did,
String dprefix,
String dname)
{
datable table = new datatable(); then declared stored proceedure and defined parameters and assighned values

In the stored proceedure it has a query like select column1,coloumn2,coloumn3 As Call from table where
I need to take data from Call and display it to the gridview through object datasource .

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Forms Data Controls :: Accessing An Object Used As A Datasource In Gridview On Postback?

Feb 1, 2010

I am using a list of objects as a datasource and passing the object into a user control. I use the code outlined below

[code]...

When I try to access the object this way, it's null.

Funny thing, I can access the user control and all the control data in the user control, but the object (both in the gridview and passed to the user control) are null.

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Forms Data Controls :: How To Accept An 'object' As A Datasource (IEnumerable Or IList)

Nov 19, 2010

How do I accept an 'object' as a Datasource (IEnumerable or IList) and loop through the keys/values? I want to be able to pass anything that implements either IEnumerable or IList.

This same functionality exists on all of the .Net DataBound controls and I'm trying to figure out how it's done.

[Code]....

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Forms Data Controls :: Paging A Repeater That Is Connected To Object Datasource?

Oct 6, 2010

I have a need to add a new report to my page, the differnent parts of the page are all using a objectdatasource to populate the data. The new report because of all the data being returned i have started to use a repeater and a table in the ItemTemplate. Just binding the objectdatasource to the repeater works fine, but returns all the records and causes the page to be very long. I found this link for adding paging to repeater, but its setup different than what i have

[URL]

Is there any way to use what i have already and add paging to the repeater?

[Code]....

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DataSource Controls :: Is It Possible To Use A Property Of An Object Instance Property For Object Data Source

May 3, 2010

Traditionally with an Object Data Source, the wired up class will have its public properties available for binding (i.e. Gridview columns, etc.) which works well. But what if one of my wired up business objects has a property that is an object itself; can I drill down to a property on that object property and still use it?

So in additiona to the traditional:MyBusniessObject.OrderID...I want to use:MyBusniessObject.Customer.NameID
Your 1st response might be to just wire up the 'Customer' class, but I need properties both on 'MyBusinessObject'and 'Customer'. I do not think this can be done, as the ODS will not display properties on an object instance property. I have tried manually typing in the drilled down value as well, but that wasn't a success either.

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Forms Data Controls :: View Image From Database In A Gridview Using Object Datasource?

May 20, 2010

I want to display images, which i stored in the MSSQL 2008 with the type of varbinary, in a gridview.

I am using N-Tier to support my web application, i can get the image's value which is in binary type, but i do not know how to display it via a gridview.

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Forms Data Controls :: Pass Parameter To Object Datasource In User Control?

Jun 30, 2010

I have a gridview inside a user control bind to an object datasource. Now I want to bind the object datasource with a parameter from parent page.

For this purpose I defined a public property in user control but how do I pass it with object datasource ?

I am calling from parent page like

myusercontrol.parameter=querystring["id"];

How to bind object datasource with my parameter ?

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DataSource Controls :: Simple Login Form - Object Reference Not Set To An Instance Of An Object?

Apr 20, 2010

im tryin to create a login form.

and am receiving the following error:

Object reference not set to an instance of an object

[Code]....

and heres my aspx page:

[Code]....

Stored procedure:

[Code]....

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DataSource Controls :: Get Child Properties Using Parent Object Error / Cannot Access A Disposed Object

Feb 17, 2010

On DBML I have two entities as Parent, Child. I am trying to assign Child class properites in a Parent.

[code]....

I am getting the following Error:

Cannot access a disposed object.

Object name: 'DataContext accessed after Dispose.'.

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DataSource Controls :: Getting Error - Object Reference Not Set To An Instance Of An Object?

Jul 27, 2010

[code]....

i'm having trouble because when it has no return value i get the error

Object reference not set to an instance of an object.

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DataSource Controls :: Error - Object Reference Not Set To An Instance Of An Object

Jan 24, 2010

im using a sqldatasource and i want it to query a table chosen from a dropdownlist, so i wrote the following in the .cs file

[Code]....

im recieving this error msg: Object reference not set to an instance of an object (pointing to the line containing the select command)

i don't know what's the problem, i tired a hard-coded statement and it worked fine!

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DataSource Controls :: How To Get Object Source Data

Jun 22, 2010

I am developing on application in that i have taken one list box and getting data to it using an object source.up to this stage it is fine.I need to compare these value what i get into list box and need to represent data in to a report viewer ..how to get these values from objectsource.i m new to c# i placing the code.

[Code]....

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DataSource Controls :: Enum With The Same Name As A Data Object?

May 19, 2010

I have a data object named Usertype. The Database table is also called Usertype. I need to have an enum representing Usertypes also. What would proper naming convention be for the Usertype Enum? It can't be Usertype. But I can't append an E or "Enum" to it anywhere. What would be the proper name for the Enum?

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DataSource Controls :: Object Reference Not Set To An Instance Of An Object?

May 26, 2010

I am adding rows to table and setting value row/cell value, but for datetime field it is giving me error

Object reference not set to an instance of an object.

Initially I am adding a column to table as

table.Columns.Add("Upload Date",
typeof(DateTime));

Then I assigning value to row as

row["UploadDate"] = result["Execution Date"].ToString();

As I have I also null or empty value in the "Execution Date" field .

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DataSource Controls :: Getting Rows From Object Data Source?

Jan 7, 2010

I have an object data source that is being used by an rdlc report, and the object data source uses a filter that is built from session variables passed to the page.

The report displays correctly, with the filter applied; however, I want to mark each of the rows as "printed" in a bit field in the database table.

In the table adapter, I have the following Update command that is used by the object data source:

UPDATE dbo.WorkOrder
SET boolWorkOrderPrinted = 'True'
WHERE (WorkOrderID = @Original_WorkOrderID)

And in the Page Load event, I run:

ObjectDataSource1.Update();

However, no records are updated.

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DataSource Controls :: How To Create It ,Object Data Source ,Linq And Sql Or Other Any Way?

Sep 20, 2010

my query is SELECT a.HD, a.HEAD, a.SH, a.SUBHEAD, a.TRK, a.TRACK, a.TGT, a.TARGET, a.PDC, a.DT_RELEASE, a.STATUS, a.CO
FROM V_HIERARCHY1 a

my data is ,HR HR Rec Records Leave Leave Records HRL.0001 Policy and Process for leave record. 27.06.2010 30.06.2010 WIP Edlink
HR HR Rec Records Leave Leave Records HRL.0002 Quarterly Review 01.07.2010 04.07.2010 Planned Edlink
HR HR DB Database SAL Salary DDS.0001 Calculation of Monthly salary 08.08.2010 09.08.2010 WIP Edlink
HR HR Rec Records Ind Induction Records HRI.0001 Completion of dossiers. 08.07.2010 10.07.2010 WIP Edlink
HR HR DB Database Emp Employee HDE.0001 Offer letter 06.07.2010 09.07.2010 WIP Edlink

my outout is ,HR

REC
LEAVE
HR1
REC1
LEAVE1

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DataSource Controls :: What Is The DB Type With The Parameters Of The Object Data Source

Mar 24, 2010

I was looking at the options in Intellisense for the properties used with a parameter for the Object Data Source. There is one that I don't understand how it would be used. explain, or recommend an article, about the DB Type is for and how it would be used?

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DataSource Controls :: Writing Data To A Table Using Sql Command Object?

Feb 23, 2010

Having serious trouble inserting data into my db... i am able to select and display data just not write it to the database..

[Code]....

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DataSource Controls :: Use The Direction Property Of The Parameters For The Object Data Source?

Apr 20, 2010

I have an insert that uses an object data source with out the direction property set and it works fine. I noticed the direction property though and wondered if I should use it.Should the direction property for the parameters of an object data source be used with a simple CRUD operations?

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DataSource Controls :: When Should Use The Type Property Or Dbtype With Object Data Source

Apr 24, 2010

I'm trying to understand when to use the type property and when to use the dbtype property. I looked online but couldn't find a good article that said when and why.

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DataSource Controls :: How To Execute Object Data Source Method On Postback Only

Aug 10, 2010

When my page is first loaded i receive error message stating to the effect

cant find Email for GetInvoicesByVendor.

this refers to a function in another class file:

Public Shared Function GetInvoicesByVendor(ByVal Email As String, ByVal vendorid As Integer) _

As IEnumerable

yet i only want to execute this function during the button click event and not when page is first loaded with the following parameters:

vendorid.Text = 1
txtcustomerid.Text = test@yahoo.co.uk
My objectdatasource is declared as follows:
<asp:ObjectDataSource ID="ObjectDataSource1" runat="server"
OldValuesParameterFormatString="original_{0}"
SelectMethod="GetInvoicesByVendor" TypeName="InvoiceDB">
<SelectParameters>
<asp:ControlParameter ControlID="txtcustomerid" Name="Email"
PropertyName="Text" Type="String" />
<asp:ControlParameter ControlID="vendorid" Name="vendorid" PropertyName="Text"
Type="Int32" />
</SelectParameters>
</asp:ObjectDataSource>

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DataSource Controls :: Object Data Source Not Picking Up Business Objects?

Mar 26, 2010

I created a class library: PRTreatmentReviews. I created a reference for the class library on the website. I checked the property pages and the reference to the class is there. I put objectdatasource on a page and tried to pick up the PRTreatmentReviews class but it's not there? The Class

[Code]....

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Forms Data Controls :: How To Set Height And ItemSource (Business Object As DataSource For Cell) For Every Cell

Mar 24, 2010

How to set Height and ItemSource(Business Object as DataSource for Cell) for every Cell in DataGrid/ Grid? Shown below is part of code I am currently using with Grid Control. What I am currently doing is that I am using ListBoxItem, set Item Height and ItemSource at ListBoxItem Level, Add ListBoxitem to ListBox and then Add ListBox to Grid, It leaves me with just one row and multiple columns in the Grid, which is perhaps not the best way of doing it as it doesn't allow me to take benefits from UI Virtualization of Grid.

[code]....

I am open to use any control i.e. Grid/ DataGrid provided it allows me to set Cell Height and item source at Cell level. In my requirement, Cell height depends on the Item duration and size of image, which means the height of the cells may not be same across cells in any particular row.

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