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After that again, I am doing the same thing that I had done in Cancel Record method, I mean setting Edit Index property of the Grid View to -1 and rebinding the data again by calling Bind Data() method.When Delete link of the Grid View will be clicked, it will confirm the user whether they really want to Delete the record, if they will click OK, it will fire On Row Deleting event of the Grid View that will call Delete Record method. Net while am trying to update the row it was not getting updated. Find Control("txt Name3"), Text Box) 'doupdate(txt Name1, txt Name2, txtname3, txt Name) 'con. Instead, it throw an exception Object reference not set to an instance. Protected Sub Grid View1_Row Updating(By Val sender As Object, By Val e As System. Open() cmd = New My Sql Command("update login set username='" & txt Name1. Please note that when you will not bind the data again, Grid View will not change in edit mode.When Cancel link is clicked on Grid View in edit mode, On Row Canceling Edit event will fire that will call Cancel Record method.In this article, I am going to take a simple database table that has following fields: Auto ID - Int, Auto Increment, Primary Key Page Name - Varchar(50) Page Description - Varchar(500) Active - Bit(1) In this article, I am not going to explain the workings of Sql objects but focusing on the events and methods of the Grid View that will help us in updating and deleting the records.
After successfully deleting records, again I am calling Bind Data() method to rebind the Grid View.To get the Primary key, I have used Data Keys property of the Grid View with the index of the row, being edited and stored into a integer variable after parsing.Now I have declared a Grid View Row variable named row and stored the current row being edited into it.This will make sure that Bind Data() method will not fire when you are going to edit, update or delete the record.In Bind Data() method, I am getting the data from database using Sql objects and specifying the Data Source property of the Grid View to the Pages Data table of the Data Set.
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I will be using Sql objects directly into methods to keep the example simple and straight forward.