Rowupdating e keys sania mirza dating shoaib malik


26-Nov-2020 01:58

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.

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.

These properties will automatically render Edit, Update and Cancel buttons inside Grid View column.

I am using Template Field’s Item Template and Edit Item Template for providing read only and editing interface of the same column in the Grid View.

Here is the scenario Scenario: Consider you have a data grid view which show a list of products from northwind database and you want a link button which will edit the same grid view entry but in a separate page and on separate form with the help of the primary key which you may want to send to another page using query string or else.

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To get the Primary Key reference we can use the Data Keys collection of the Grid View.

NET page that will handle different Grid View events to provide complete editing functionality.

In the Page_Load event, you simply load your data from the database and bind it with the Grid View control as shown below: For brevity I am not storing connection string in the web.config and also not using any Data Access Component.

Next event is the Grid View Row Editing event to give ASP. You need to set the Edit Index property of the Grid View with the New Edit Index property of the Grid View Edit Event Args class.

If user clicks the Cancel button while Grid View is in editing mode, you need to Cancel the Editing process and also need to reset the Edit Index property to -1 in the Row Canceling Edit event of the Grid View control as shown below: The last step is to handle the Row Updating event to actually update the back end database.

To do this we first need to obtain the reference of the current row by using its index no as shown in the first line below.