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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.

NET 2.0 most of the examples and tutorials deal with setting the Data Source ID, which buys you a lot of automation that you may not even appreciate unless you’ve done this the old fashioned way.

On the first step of the wizard click on "New Connection" button to open a dialog as shown in Figure 1.

Enter the database details as per your setup and click on OK.

Here, we set the Data Source of the Grid View to Sql Data Source1. We also enable paging, sorting and editing features of the Grid View.

By default when the Grid View controls goes in edit mode, it displays Text Boxes for entering values.

The example shown here is for a Grid View, but the same types of event handlers must be implemented in roughly the same way for other data controls including the Form View, Details View, and List View. This is the final Grid View markup, so you can see the event handlers we’re going to implement.

The Grid View 'Grid View1' fired event Sorting which wasn't handled.By performing above coding we would avoid the error - Specified cast is invalid.Then we need to override the gridview's Row Updating event.The secret lies in the event handlers–in this case, the Row Updating event handler. Grid View Update Event Args object that is passed in. This page contains copyright material from //blog.and you have no rights to copy and paste the full text into your own blog even if you have written permission to the contrary. Using the Row Updating handler, we can do whatever we want. What the line of code says is “cancel any other update processing that may have happened after this event gets called.” From here on out, you’ll need to retrieve the values from your edit controls manually using the Find Contro By ID() method I demonstrated on Monday and updating the database using code. – For a while now I’m trying to figure out why my method, triggered by the Grid View.