Gridview rowupdating event from code
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.You're accessing so many items without null checks that it could be any number of things. Are you sure all of the controls exist in the cells you're specifying? Here its mentioned that th line should be like this: txt Symbol = ((Text Box)(gv. You need to include the Grid View Command Field column to add Edit, Update and Cancel Buttons in the Grid View. You need to include Template Field for every column you want to provide Editing because Template Field provides you both Item Template and Edit Item Template to create interface for two separate Grid View modes. You need to handle Grid View events such as Row Editing, Row Canceling Edit and Row Updating to provide desired editing functionality.Font-Names="Verdana" Font-Size="10" Data Key Names="Product ID" Auto Generate Columns="false" onrowcancelingedit="Grid View1_Row Canceling Edit" onrowediting="Grid View1_Row Editing" onrowupdating="Grid View1_Row Updating"In the above code, I set two properties Show Edit Button and Show Cancel Button of Command Field.
event is raised when a row's Update button is clicked, but before the Grid View control updates the row. i know its not an answer to what you are asking, but for the next time it would be a lot more easier to use the entity framework and bind it to the grid...