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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.Many a times in our applications we use primary keys to get control of the particular record in the gridview. For this situation, many developers use invisible columns (Hidden columns) in the gridview to identify that row. We can achieve the same functionality using Datakeys. NET 4 General Discussion section of the Wrox Programmer to Programmer discussions.Assuming that you actually have designed the Grid View in the designer, so you have a number of entries under the column section for the Grid View, this would be pretty simple. By Default, Grid View control displays Item Template which directly shows the Product Name and Unit Price columns but when user clicks Edit button Grid View automatically switches to Edit Item Template and display the control available inside Edit Item Template for user editing.Now I will show you the C# code behind file of the above ASP.
If you face any issues while implementing the code or have any suggestions then feel free to post on our forums.By default all the boundfields will be trasferred as Textboxes in Edit Mode.To avoid this we need to keep the property Read Only as false, Then in the edit mode nothing will happenes. The reason I use Template Field instead of Bound Field is that, it is very easy to grab those controls in the codebehind if we user labels or textboxes.The visitors to a web site can typically be divided into two groups: the users and the administrators.In data driven web sites, users are normally allowed to view data and administrators are allowed to add, edit or delete data.