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Posted by / 29-Jul-2020 21:33

On rowupdating event

The issue comes when I make each gridview collapsible, again, it works fine but when I click on "Edit" on the 3rd gridview all the grids collapse, I can then re-open them and the "edit mode" is still present and I can still save my updated data. I based a lot of my code from this page: Nested Grid And I understand how I can fix my issue on a 2 level nested gridview, by simply adding the C# code: Hi Gurus , It happened to add an extra Gridveiw Header in row_databound event , It did worked fine on ! Can any expert post some pointers , differnces between grid row_created vs row_databount with some sample table data created dynamically behaviour of both the events in ! But again, when I hit the "Edit" button in the first column (the Command Field column) .

Text properties of the cells resolve to "" Here is the code for the event, followed by the gridview in the form (inside an updatepanel) Protected Sub Grid View1_Row Data Bound(By Val sender As Object, By Val e As System.

The event handler receives an argument of type SQLite Row Updating Event Args containing data related to this event.

The following SQLite Row Updating Event Args properties provide information specific to this event.

I'm using a sqldatasource control to populate the grid and want to write the update code in the Row Updating event. I can get the value of the first field using string old_Category = e.

To String(); it returns an error message Index was out of range. ID="Grid View1" runat="server" Auto Generate Columns="False" Data Source ID="Sql Data Source1" Border Width="0px" Border Style="None" Width="100%" Cell Padding="2" Page Size="25" On Row Deleting="Project List Grid View_Row Deleting" onrowdatabound="Grid View1_Row Data Bound" onrowupdating="Grid View1_Row Updating" onrowediting="Grid View1_Row Editing" ID="Drop Down List1" runat="server" Data Source ID="sds Ddl Projects Edit" Data Text Field="Project Name" Data Value Field="Project ID" Auto Post Back="True" onselectedindexchanged="Drop Down List1_Selected Index Changed" " Select Command="SELECT @Week Ending Week Ending , Project , Project ID , Category , Category ID ,isnull([1], 0) Sun ,isnull([2], 0) Mon ,isnull([3], 0) Tue ,isnull([4], 0) Wed ,isnull([5], 0) Thu ,isnull([6], 0) Fri ,isnull([7], 0) Sat from (select P.

But as I noted in the comments in that method, some collections that should contain the columns (names, old values and new values) are always empty. And the Row Updated method is never even touched!!! NET Forums that I need to use a Data Source control.

For example a Sql Data Source, which is automatically added to your Web Form if you drag-n-drop your way around Visual Studio 2005.

First, I load up some data: After that, I’m doing some work to make my Grid View look beautifull, adding all columns by hand.If the grid contains templated columns or is bound to some of the fields from the data source, the Values and Old Values must be updated to add those missing values.Otherwise missing cells will be nulled out by the auto update operation. The dictionary consists of the new values to be set on the row's unbound cells.Remarks Event callbacks can be registered through this event delegate for applications that wish to be notified after a row is updated. NET framework, the convention of an event delegate requires two parameters: the object that raises the event and the event data.How do I get the old values in a gridview row in the row_updating event? But it doesn't work for index items greater than 0. Must be non-negative and less than the size of the collection.

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But for this demo, I’ll show you the simple version, that also doesn’t work 🙂Let’s bind the data to our Grid View and have it autogenerate our columns, as well as an edit button.

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