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A datakey represents the primary key field or field of a record that can uniquely identify it in a data-bound control. Row Index represents the index of the particular row.
Count ----------- The most common problem for losing new data entered while updating a Grid View or Data Grid is that you are resetting the Data Source for the Grid View or Data Grid in the Page_Load method. I actually don't know how to write the Row Updating function, I just found it from the internet, and so of course it's not working.
NET Grid View Tips and Tricks series, this post shows how to cancel the Update and Delete operation in an ASP. To cancel an update and delete operation, we will make use of the Row Updating and Row Deleting events.
When I click the Edit button the checkbox becomes active and is checked depending on whether the data has a 0 or a 1.
The problem is when I click Update the value is always saved back to the database as a 0 (Because that is the database default when no value is supplied) Please help! To S This course will introduce you to the interfaces and features of Microsoft Office 2010 Word, Excel, Power Point, Outlook, and Access.
LEFT OUTER JOIN Staff Directory sd ON o.staff ID = sd.staffid LEFT OUTER JOIN Staff Directory sd2 ON For = sd2.staffid WHERE (o. Authorised By =(SELECT staffid FROM Staff Directory WHERE username = @username)" Ah I did wonder about the Row Updating event, so I'm going to say on Row Updating get the ddl selected values and set them as parameters..you give me an example, I was trying to do this last week but kept getting the object not set error LEFT OUTER JOIN Staff Directory sd ON o.staff ID = sd.staffid LEFT OUTER JOIN Staff Directory sd2 ON For = sd2.staffid WHERE (o. Authorised By =(SELECT staffid FROM Staff Directory WHERE username = @username)" This introductory course to Windows 7 environment will teach you about working with the Windows operating system.
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So what you need to do is store the data source (maybe in Session) and only bind rebind the data when you absolutely need to (Like during the Is Not Post Back) Do you understand?
so far so good - on clicking edit, both drop downs appear fully populated and a value can be selected as normal. Page Request Ma "The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years.
The Update button however is causing an error - which refers to my SP requiring a parameter - I believe this is potentially due to the way the drop downs are bound as I have used this set up previously with a ddl bound to a Sql Data Source without error or the need to express a parameter - I believe the gridview's built in edit handles this through the Data Key Names value. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing.
Here’s the code to cancel update and delete in a Grid View: Suprotim Agarwal, ASP.
NET Architecture MVP (Microsoft Most Valuable Professional) works as an Architect Consultant and provides consultancy on how to design and develop Web applications.
We can achieve the same functionality using Datakeys.