Gridview rowupdating e newvalues

03-Sep-2017 23:31

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The limitation is that the Grid View column can only have the checkbox.Method 2: Using Template Field You can have a checkbox control and other controls within the same Grid View.Basically, I was trying to convert an existing data-display-only Grid View (ie, no special functions) into one where I can update a field, namely the inventory for displayed products. New Edit Index 'set to selected row Bind Grid View() ' your own subroutine that you use to bind your datagrid End Sub Protected Sub Grid View1_Row Canceling Edit(By Val sender As System. After working with Data Grids so efficiently, I was scared that Grid Views were going to be a million times more complex. That is, get the value from the dropdownlist, and set it in the event. Today was spent mostly tackling the Grid View’s Update/Edit functionality, and I got incredibly frustrated, at first. So be sure to rebind your Grid View at the end of your event handler. I’ve got a pretty good handle on it as I’ve been doing it for several years, and can help with a lot, but I definitely don’t claim to know everything.This was my first foray into this part of the Grid View’s functionality, since I haven’t really had to develop anything using it since the switch to 2.0, as everything in Data Grids still functioned fine. The Row Updating event is where it gets tricky, since pulling values is not necessarily intuitive. That’s where you come in 🙂 If you’re interested in joining the discussion to post your own problems, fixes, etc.With a little bit of research, a lot bit of patience, and some help from the internet community, I was able to solve all my issues, and pretty elegantly at that. You can’t do something like Dim name As Hyper Link Dim inv As Text Box name = CType(Grid View1. in an actual post, just email me or comment somewhere and we’ll talk about it.

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I had a assignment I need to show only description and not ID. By using Datakeynames property you will get the selected row primary key. Cancel = True End If End Sub 執行程式,故意將 Last Name 清空,然後按 [更新] 鈕進行儲存,欄位檢查的動作就被執行了。 方法二:在 Sql Data Source 的 Updating 事件處理欄位檢查 對於 Sql Data Source 來說,編輯資料異動資料庫之前,會引發 Sql Data Source 的 Updating 事件,欄位檢查的程式碼如下。當欄位檢查不合法時,設定 e.