Gridview rowupdating oldvalues

We’re using Linq to SQL to pull data from our database and bind it to the Grid View.

We’ll revisit this method when we implement the sorting functionality.

The Grid View 'Grid View1' fired event Sorting which wasn't handled.

The Grid View 'Grid View1' fired event Row Deleting which wasn't handled. When I say manually databinding I mean not using a data source control specified as a Data Source ID, but rather setting the Grid View’s Data Source equal to the appropriate data object and calling Data Bind. NET 2.0 are familiar with how to deal with this, but since ASP.

I've seen a number of "answers" which only provide the text in the selected row of a gridview, or the header text which both do not answer the question that was asked... If you were going to do audits of updates in a system and wanted to compare old values and new values and only update if they change and want to indicate which field was updated how do you show the database table field name at the index of the loop.

For instance: So the questions is how do you get the database table field name by index via code behind?

The Grid View does know the events that should be used to implement them, so the exceptions shown above are thrown when you try to perform one of these operations, but you have implemented the appropriate event handler.

Finally we need to populate the Sort Expression and Sort Direction when they change, and we’ll handle that in the Sorting event. Also like paging, so show that it does get called, databinding is handled in the Sorted Event ( First, we obtain the User ID of the affected row from the Grid View Data Keys collection, which we use to pull the appropriate record from the database.

In addition to that, we’re resetting the Edit Index and Selected Index when the page is changed to avoid cases, for example, where you change pages and are suddenly editing a different item.

Bind Data could be called in Page Index Changing, but to show that it the event is raised, we’ve handled that in Page Index Changed.

NET forums is how to deal with exceptions like The Grid View 'Grid View1' fired event Row Editing which wasn't handled.

The Grid View 'Grid View1' fired event Page Index Changing which wasn't handled.

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