Rowupdating in gridview in vb net Mature chat femdom
runat="server" Allow Paging="True" Allow Sorting="True" Data Source ID="Sql Data Source1" Cell Padding="4" Fore Color="#333333" Grid Lines="None" Auto Generate Columns="False" Font-Size="X-Small" Height="356px" Width="2696px" Is it generating the edit button in the first column (default)? Edit: never mind, this is in the row editing event - the cell hasn't generated the edit template yet I don't think. I'm giving examples, not typing up your whole app for you. This is full test code, using Northwind, showing binding the drop down list and showing that the event Row Editing is actually still looking at the item template, not edit item template. 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.You can see most of the articles and tutorials in many websites teach you the way to bind a Grid View control to the database with some Data Source controls such as SQLData Source, Object Data Source, Access Data Source and even XMLDatasource. 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.
ID); This results in a Null reference exception (it hasnt been found) Please any ideas? If it doesn't have basic error checking in it, such as object detection or checking if objects are null before using them, put that in there.Free counters Added on January 19,2012 Follow Me @vmsdurano A bit About Me Disclaimer The opinions expressed herein are my own personal opinions and does not represent the opinions of my employers. Contol)Text; it werk just Fine any comment and thx for the code Instead of adding a Customer ID to your table and later pulling the text to get the ID number, a more reliable way to do it is to add a Data Key Names field to the grid example in the page: You can then access this information at any time with the following in code: Grid View1. Row Index]["id"]); You can do this with any field, but I've found customers get confused when they see the ID field and kept asking me why it was there, this also eliminates any issues if you change the display order of your table later (maybe add an edit/update/cancel control) Hey...great article ;)But I got a problem... So here I go with my example:protected void Grid View1_Row Updating(object sender, Grid View Update Event Args e) and the debugger says: Exception Details: System. Now you can ask questions directly to me on my new site ASPForums.
the good old problem of getting the data from the row that is being currently edited within a Grid View. Accessing the "Controls": This method gets you access to the control in the Grid View, which might be useful based on what you are doing.
In this example, I am going to retrieve values from categories table of Northwind database. Drag a Grid View into the Web Form and assign Data Key Names property with the primary key column i.e. In the gdview_Row Editing and gdview_Row Deleting event, we have used the below code to retrieve categoryid from datakey of Grid View, int catid = int.