Updating gridview in asp net
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The easiest way to do so is to handle Row Data Bound event of the Grid View control as shown below: The Row Data Bound event is raised for each and every row of the Grid View while it is being data bound with the underlying data source. The Edit, Update and Cancel buttons are displayed only for grid rows of type Data Row.
A common requirement is to refresh the Grid View after regular intervals. NET contains the Timer control which comes in very handy to achieve such requirements.
I have a select statement set in an Sql Data Source that returns a result table like this: Major Stone ID | Band Style ID | Type ID | Cut ID | Weight | Color | Clarity | Qty | Unit Price | Stone Name | Cut Name Stone Name and Cut Name come from joins with other tables. Updating, the new values collection also does not have the updated values. To simplify the problem, if I set up my Sql Data Source the same way, then drop a datagrid on the form and autogenerate the columns and edit buttons, I still get the problem.
The update procedure for the Sql Data Source updates the following fields: Type ID | Cut ID | Weight | Color | Clarity | Qty | Unit Price These are the only fields available for editing in the Grid View. Parameters, I see that the values have not been updated. After clicking update, the New Values collection of the Grid View Update Event Args does not contain the updated values. In my Page_Load event, I call Data Bind() to bind other bindings on the page.
The only other time you'll need to call the bind method is when you change the data.
The default Command Field arrangement is such that the Edit, Update and Cancel buttons are displayed in a column as shown below: The problem with this design is that the Grid View edit column always occupies some screen real estate.
Additionally in the edit mode the Grid View expands horizontally disturbing the page layout.
In this article, we will explore how to add, update, delete and select a record from sql server database using gridview control in a simple way.
I’m using visual studio 2008 and sql server 2008 for this sample. Net Grid View control with simple Data Set or Data Table, and also explains the methods like Insert, Edit, Update and Delete function in the Grid View control.