Modify Input Data In ItemUpdating Event Of Detailsview ?
Jan 2, 2010Can you direct me how can i access input data of DetailsView in ItemUpdating event? I want do some modification on data that user input to Detailsview.
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Remove Parameter From DetailsView ItemUpdating
Feb 23, 2010Here's the setup
I have a DetailsView whose DataSource is an ObjectDataSource.
The ObjectDataSource has two methods, select and update, that are stored procedures defined in a TableAdapter.
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The Update stored procedure takes three parameters--the record id, and two data fields.
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ObjectDataSource could not find a non-generic method Update that has parameters: [all 21 table columns]
I am trying to only pass the (3) necessary fields to the Update stored procedure, but the DetailsView is apparently trying to update using all of the fields it received from Select. I know that I can access the NewValues collection from DetailsViewUpdateEventArgs, but I don't see a way to remove any of the parameters so that they match the definition in the stored procedure, the TableAdapter, and the ObjectDataSource.
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Sep 26, 2010So, to sum is up, I have a FormView:
[Code]....
And the relevant code:
[Code]....
What does work: I do see the right info if the formview is shown but when I click on the Update button it just doesnt fire the corresponding itemupdating event.
Can someone see what is wrong or missing?
What do I want to archieve: Just update the subscription's credits and its type: Upgrade, Prolong.
-edit-
New finding: I added 'onitemcommand="fvSubscriptionEdit_ItemCommand"' to the formview and a corresponding event method with a simple code that throw a exception(just testing) but it doesnt enter the method but does whine when the method is missing. So why does it whine if the method is not there but doesnt enter the method if it does exist? I presume that this is the same problem.
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I use:
[Code]....
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[Code]....
Environment:Web Developer 2008 Express .NET Fw. 3.5 Windows XP
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Additionally, there are some fields, such as LastUpdatedBy, LastUpdatedDate that need to be seen, but not edited. The stored procedure on the backend takes care of this, and these are not parameters for the Update method. The FormView by default is trying to pass all these values back to the database.
Lasty, the select query of the object datasource is a stored procedure that performs several joins based on PF/FK relationships to bring back more meaningful information than just a FK, so some columns are just the joined value, and can not be updated directly. Again, formview is trying to pass these parameters
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protected void FormView1_ItemUpdating(object sender, FormViewUpdateEventArgs e)
{
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ProjectDetailsDataSource.UpdateParameters.Add("statusID", "1");
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ProjectDetailsDataSource.UpdateParameters.Add("userid", Membership.GetUser().ProviderUserKey.ToString());
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e.Cancel = true;
}
My questions are as follows:
1) Is this the right approach?
2) Is so, when I cancel the edit (because I did the update myself), and change mode, the FormView returns to read only mode as inteneded (good so far). However, when I hit F5 (refresh), the ItemUpdating method is called again, and updates the database.
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[Code]....
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[Code]....
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Stack Trace:
[Code]....
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[Code]....
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[Code]....
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