Forms Data Controls :: Getting The Id After Insert In Listview?

Mar 17, 2011

I'm using the EntityDataSource with a ListView control. In the ListView.ItemInserted event, I want to get the ID of the newly inserted record. Is there a way to do that?

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way to change a ListView into Insert Mode when linkbutton is not part of the ListView? Basically I have a button at the top of my page and when the user clicks the button I'd like to put the ListView into Insert Mode. I'm assuming that it's not working currently because the button is NOT part of the listview Layout Template.

<asp:LinkButton ID="lnkMachines" Text="Create New Machines" CommandName="Insert" runat="server" onclick="lnkMachines_Click" />
[code]...

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I would like to know if I can do the following: when I am in insert mode, can I dynamically change the select command of and then display that result in the second dropdownlist based on what was selected in the first dropdownlist.

I would like to include the minimum code to demonstrate what I am trying to do.

[Code]....

[Code]....

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Forms Data Controls :: Validating Page With Listview Edit Item And Insert Item Templates Are Both Present

Aug 9, 2010

I have a listview set up in "flow" mode where the existing records are all on an extended page so you can scroll down to any record.

The InsertItem Template is in the first position, making it easy to insert a new record.

And one can scroll down the page to any record, click the edit button and update that record -- nice having everything on one scrollable page.

I am running into a problem with validations. I have validation controls restricting inputs for all the textboxes on the Insert Item template. They work fine. And on Item Inserted I am running a page validation:

Page.Validate()
If Not Page.IsValid Then
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End If

which works fine also.

The problem occurs when I scroll down to an existing record, and go to edit it. I have all the same validation constraints on the textboxes for the EditItemTemplate as I have on the InsertItemTemplate. But I cannot successfully do a page validation on updating the record. The code I am using on update is:

Protected Sub LVRentals_ItemUpdating(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.ListViewUpdateEventArgs) Handles LVRentals.ItemUpdating
Page.Validate()
If Not Page.IsValid Then
e.Cancel = True
End If
End Sub

This results in a Cancel even if there are no validation errors on the InsertItemTemplate because the Page.Validate() seems to be causing the InsertItemTemplate to think its fields should be filled out also.

Here is the code for a typical entry of the InsertItem Template:

[code]....

All the controls in the Edit Item template are part of ValidationGroup "edit1" and those of the InsertItem Template are part of ValidationGroup "edit2"

How can I get around receiving validation errors on the InsertItem Template when I am trying to validate just the EditItemTemplate when both are present on the page?

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[code]....

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I try to datbind a listview which is inside another listview InsertItemTemplate.

[Code]....

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I am having trouble finding how to solve the following issue :

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ASPX Markup Code :

[Code]....

C# Behind Code :

[Code]....

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Ok, background first:

The form allows a user to create and edit one estimate.

Each estimate can contain multiple Jobs, which are represented in a ListView.

Each Job can contain multiple Parts, which are contained in a ListView that sits in each item of the Jobs ListView.

A user can add and remove as many Jobs as they want.

A user can add and remove as many Parts to/from each Job as they want.

I have no issues adding to each of these, but I do have a problem removing a single part from a single job.

For a reference, here is one Job in the Jobs ListView on the form:

I want to make sure that no matter what a user does, the part of the form they are working on saves what they have. Removing a row from that Parts ListView is no exception. What I want it to do is save the values in each of those textboxes and then delete the necessary row.

Here's what I have in the codebehind:

[Code]....

The EstimateRow variable I create does not get a value from theListView)HFERID.Parent.FindControl("LVEstimateRow") bit of code. There must be another level of nesting that I'm not accessing correctly, because it can't seem to find that nested ListView.

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I have a datakey defined on my outermost ListView. When I click on a linkbutton in a row in this listview, the second listview is displayed. This inner listview has several controls and also a linkbutton. When I click this linkbutton, it gets handled by its own event; linkbutton_click. In this event all the data is collected from the innermost listviews' controls, and sends it to the database. The only thing I need within this event is the datakey from the outermost listview.

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[Code]....

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I added a RequiredFieldValidator to my InsertItemTemplate, and it seems to be working fine. The problem I am having, however, is that now I cannot do anything else in the ListView (like edit or delete items) UNLESS the required field has a value. Is there some way I can manually do the validation when the user clicks the 'Insert' button on the InsertItemTemplate, or some other little trick I can perform so the user doesn't have to first type in a value just to delete something else in the list?

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