Gridview rowupdating datakey

gridview rowupdating datakey-35
Open Visual Studio 2008 and create a new Web Application.

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First, create a Grid View with three bound columns and an Update/Edit/Cancel (Command Field) column: Nothing in there should be shocking to anyone: all your events are handled, you have a Hyper Link Field that uses the Data Navigate URLFields property to insert a Product ID, and you have set your Data Key Names property to your hidden field which holds your Product ID.

Because we are not using the Grid View’s built-in data model and are binding dynamically, the Grid View will not switch into and out of Edit Mode automatically.

The only thing I'm doing differently (I think) is that I'm creating my grid dynamically.

~Haleigh I'm having the same issue that the original poster is having, but this trick isn't working for me.

Thus, in order to switch it into Edit Mode, in each of your event handles (Row Editing, Row Updating, and Row Canceling Edit) you must do two things: Protected Sub Grid View1_Row Editing(By Val sender As System.

Edit Index = -1 'set to no selection Bind Grid View() End Sub One issue I ran into while attempting to figure this all out was if I didn’t rebind my Grid View at the end of each event, I was required to click twice to get it to select the correct row, and if I clicked around, it would always be a row behind. This blog is for nothing else than to try and help me help you and help you help me and us help everyone else try to fix anything and everything we can’t figure out with this language.If you have more than one primary key, you can separate the values with a comma. "If you like my work; you can appreciate by leaving your comments, hitting Facebook like button, following on Google , Twitter, Linked in and Pinterest, stumbling my posts on stumble upon and subscribing for receiving free updates directly to your inbox . Page Dim wsg As workshopgroup Dim dt As Data Table Dim dv As Data View Protected Sub Page_Load(By Val sender As Object, By Val e As System. Load If Not Is Post Back Then wsg = New workshopgroup dt = New Data Table dv = New Data View dt = wsg. I probably wont need sorting, but found an example online and thought I'd add it. Text) Next End Sub It fires off just fine, but in my debutg window, I see: Cells(0) = Cells(1) = Cells(2) = Cells(3) = Cells(4) = Where are the values? I suspect this has something to do with the Data Binding, but am confused on how to implement it. The CType works, and when I debug, I can see it automatically sets the new textbox 'Tool Tip' to ID, so that's a good sign. Since the grid will be dynamically populated, how to I give the columns proper names?You can also assign multiple primary keys if desired by separating them with a comma (,). This allows you to create a new instance of a class and assign values to properties in one easy step.For example you could have the following code:to store the information. Finally the code is bound to the When the user selects a record from the grid, the selected row index will be passed through as the Command Argument. I can't get this to work and I was hoping this would solve my problem trying to update a gridview without datasource. I've tried every method I can find to get the new value for a control, and it's continually coming back as the old method. Are you trying to update a Grid View based on a Data Set? I plan on parsing out a good bit of it to other components. The main problem I'm having is with the grd Dynamic_Row Updating subroutine. The commented lines are my various attempts to read the NEW data that the user inputs. None of them will retrieve anything but the old data. ~Haleigh It doesn't look like its possible to retrieve new values if there is a gridview without datasource. Can someone please translate this for me from C# to VB. The only thing I'm doing differently (I think) is that I'm creating my grid dynamically. Are you trying to update a Data Set through a Grid View? I plan on parsing out a good bit of it to other components. The main problem I'm having is with the grd Dynamic_Row Updating subroutine. The commented lines are my various attempts to read the NEW data that the user inputs. However, when I set that column to 'visible=false', I'm unable to retrieve the value. When debugging, I can see 'row' is populated, and has cell values available, but I'm guessing the cells aren't named and can only be referred to by index number. I'm adding the ID column to the datagrid as well, but there is no need for the end user to actually see the id, I just need it for updating. If not, then set the Data Key to ID [in the Source code] and this code should only retrieve the value, not edit or update it [unless you specify the Text Box thing]: ) However, nothing is returned into those variables.

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