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Rowupdating dataitem null
This article explains how to perform insert, update and delete operations in ASP. Let us take an example to perform CRUD operations using Entity Framework Database First approach.
The idea is to only allow a command to be performed on specific people. I'd prefer a declarative solution to a procedural one. For me converting the commandfield to a templatefield control is not an option, as the commandfield comes with built-in functionality that I would otherwise have to create myself, for example the fact that it changes to "Update Cancel" when Edit is clicked, and that when Edit is clicked, all the cells in the row which are labels become textboxes, etc.
In my approach, you can leave the commandfield as is, then you can hide it as needed via code behind.
From what was said in the other comment, should I be calling the Build Grid from somewhere other than Page_Load()?
What happen if you leave the Bind Grid(); at the end but call Build Grid(); before finding the ddl?
The parameter New Values must be set with the Selected Value from Drop Downlist.
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I have therefore added the relevant xml, and when creating the grid, create the column as a Template Field and the Edit Item as a Drop Down List with its own Sql Data Source.
So far so good, this all works, the grid is displayed, the Drop Down List appears, filled with the correct data, shows the correct initial item and lets the user select another. The when trying to get the value from the Drop Down List in the Row Updating event, I cant find it. I create a Recursive Find Control method that ran through every control on the page, and it cant find it.
I have a problem, with Grid View and Template Fields.
We have an application which creates maintenance screens based on an xml configuration file. This all works However, we have a new requirement to add Drop Down Lists to some columns to enforce data integrity.