Forms Data Controls :: Get Identity Of Inserted Record Using Detailsview.insert()

Dec 6, 2010

This would seem to be quite a trivial task, however I am having trouble retrieving the identity of the record inserted using the detailsview.insert() in the code behind. It would seem that detailsview.DataKey.Value would contain this value, but it is null after the insert is performed.

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see

[Code]....

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[Code]....

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Forms Data Controls :: Insert Record In Nested Detailsview?

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Retrieve Identity Value From Inserted Record's Primary Key?

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i cannot retrieve the new identity value from an inserted record(via DataAdapter.Update) in my DataRow.

I'm using a strong typed Dataset as DAL. The table i want to update is joinded with other tables in the SelectCommand, hence the designer cannot automatically generate the insert-/update-/delete-commands and also it cannot "Refresh the DataTable" automatically. [URL]

I've tried to set AutoIncrement=true/false on the primary-key's DataColumn but the result is the same: last MAX-ID+1 instead of the actual ID the database generated(SQL-Server 2005 EP; pk datatype:int, Is identity:yes, Identity Increment:1).

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Also i've tried to add an Output-Parameter to it's parameter-collection:

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[code]...

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I'm using

[Code]....

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Forms Data Controls :: How To Access The Returned Identity From A DetailsView "Insert"

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I am trying to use a DetailsView to enter a new row into my database, but need to enter a further row in a linked table at the same time.

I am able to use the "iteminserted" event to gain control after the event has completed, but I need the key to the row i just inserted into the main table.

I am using a dataset, so the insert is managed by a tableadapter which has been configured to return an integer with the newly created identity of the row i just inserted.

Does anyone know how I can get access to that identity? is it in the "e" object of iteminserted? how do i find that if it is?

Here is the VB CodeBehind I am using to insert the row in the linked table (the DetailsView has just inserted a row into the "Books" table and the database has just assigned it an identity which should have been returned to somewhere by the tableadapter. I need that identity as a key to the "BookAuthors" table):

[Code]....

This is the ASP code for the DetailsView and the DataSource:

[Code]....

And here is the code for the tableadapter i am using

[Code]....

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[Code]....

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I have a problem with DetailsView linked with Database, DetailsView is Insert/Edit enabled, and adding/ediditng data works, however........ when I add a new record (DetailsView in Insert mode) and press INSET instead going to record I have just created in Read-Only Mode it shows me blank form, it looks that the "linking" field is null.

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I cannot figure out how that happens...though I suspect it has something to do with the AJAX/Update panel. Here's some code:

[Code]....

[Code]....

[Code]....

[Code]....

[Code]....

[Code]....

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I have a detailsView that I use for Insert. Once a record is Inserted, I need to get the new idenetity value.

Is there some function that grabs the inserted identity value? Or do I need to query it somehow?

By the way, the reason I'm doing this is the user is inserting a record into a 'general' list that is being applied to a 'specific' list - example, an employee can select a vendor from a list, but the vendor isn't listed so the employee adds the vendor in the vedor list and while the new vendor is inserted, the vendor info is also applied to the new order record.

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I have an SQL Server table named "Fields" with an autoincrement identity column "FieldID" as the primary key, an nchar column "Phrase" that textbox entries are to be stored in from a web page, and another column that is defaulted to null. The following is the recommended example on how to use Scope_Identity() to get a newly inserted table row identity value:

//C#
string query = "Insert Into Categories (CategoryName) Values (@CategoryName);" +
"Select Scope_Identity()";
int ID;
string connect = @"Server=.SQLExpress;AttachDbFilename=|DataDirectory|Northwind.mdf;" +
"Database=Northwind;Trusted_Connection=Yes;";
using (SqlConnection conn = new SqlConnection(connect))
{
using (SqlCommand cmd = new SqlCommand(query, conn))
{
cmd.Parameters.AddWithValue("@CategoryName", Category.Text);
conn.Open();
ID = (int)cmd.ExecuteScalar();
}
}

Obviously, this example uses a Categories Table in a Northwind database, which I do not have. So I am confused by how to adapt this example for my application. The following is my data context:

DataClassesDataContext db = new DataClassesDataContext();

Could you explain how I can adapt the example for my "Fields" table in my "EFMDB" database?

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[Code]....

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I have error:

Cannot insert explicit value for identity column in table 'UserDetails' when IDENTITY_INSERT is set to OFF.

I'm trying to insert a record through a BLL (Business Logic Layer) class with an 'Insert' button attached to the FooterTemplate of a GridView2. My code:

[Code]....

[Code]....

BLL layer code:

[Code]....

The field 'idUser' is autoincremented. When I use SqlDataSource with a DetailsView, add option it adds a record and autoincrements the 'isUser'.

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I am using LINQ to store and retrieve data from tables with a clustered index key. However, I also need to know how to obtain an inserted table row identity with an auto-increment Primary key. The "Go To Definition" feature for my data context of dataClassesDataContext provides the following information:

[System.Data.Linq.Mapping.DatabaseAttribute(Name="EFMDB")]
public partial class DataClassesDataContext : System.Data.Linq.DataContext

I am asking for the C# code that is needed in a button click event handler that will insert a row of data in a table named "Fields". It only consists of an auto-incrementing primary key column (FieldID), a string column (Phrase) and a null defaulted variable column.

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Jul 4, 2010

i have a webform to take user inputs. i am able to insert the data into database on clicking add button and also able to view the

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Dec 22, 2010

Im wondering if anyone knows how to display more than one record on the same page for a detailsview control? I could do with maybe displaying 10 per page but cant see no option for doing this.

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