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Rowupdating gridview devexpress

This enables you to provide an event-handling method that performs a custom routine, such as canceling the update operation, whenever this event occurs.A Grid View Update Event Args object is passed to the event-handling method, which enables you to determine the index of the current row and to indicate that the update operation should be canceled.问题:使用Grid View的Grid View1_Row Updating函数时无法更新数据,总是显示为原来的值 原因:点击“更新”按钮时页面会重新加载,这样会覆盖你所修改的值 解决方案:在Page_Load函数中加入如下判断,即把涉及到数据库操作的都要放到if判断里面。 if (!// 展示 public void Show Article Images() // 更新 protected void gv Images_Row Updating(object sender, Dev Express. Örneğe bakalım: Burada yaptığımız iş, grid Istekler adlı gridde güncelleme işlemi yapıldığında eğer istek Aciklama alanının eski değeri yeni değerinden farklıysa şeklinde.Yani istek Aciklama alanına yeni girilen değer, eski değerden farklıysa trye dönecek.

To save the focused row to the data source, the Update Current Row method can be used.This event occurs after the modified focused row has been saved to the underlying data source.Assume that the data source contains a calculated column.However if I select from combobox and update an int User ID is coming as I expected.This is one of my first trials on devexpress and probably this code has lot of mistakes and unnecessary complexity.Burada Old Values[] yerine index değeri de girebilirsiniz ama ben bunu önermiyorum.Çünkü index değeri griddeki alan sıralamasına göre oluyor ve bu değiştiğinde arka tarafta da indexi değiştirmek gerekiyor. It's value is automatically calculated by the data source, based upon the values of other fields.When a new record is added within a grid, the calculated column's value can be accessed only after this record has been saved to the data source.I am using a SQLData Source to populate my gridview in ASP. When I hit Edit, the textboxes appear and I am able to edit my values. I am using a SQLData Source to populate my gridview in ASP. When I hit Edit, the textboxes appear and I am able to edit my values. In the Row Editing function, the edit textboxes appear and I can get the "old" values Then the page renders, I edit the textboxes and hit Update.When I hit Update, the changes are not saved, and there is no error message. When I hit Update, the changes are not saved, and there is no error message. Then the page posts back, the text boxes go back to being labels and the new values are lost, and the Row Updating code never fires. Yes, I did put the breakpoint at the Row Updating line (and not in the function).

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  1. Review developer and end-user documentation on DevExpress products online help resources, printable PDF downloads, and more.

  2. Your first issue is easy to solve Copy the two lines from your PageLoad event to the end of your grid_RowUpdating event. Alternatively execute those lines always in.

  3. The RowUpdating event is raised when a row's Update button is clicked, but before the GridView control updates the row. This enables you to provide an.

  4. For example I have a KeyDown handler that calls view. DeleteRowview. FocusedRowHandle but the RowUpdated event on the gridView does not seem to fire. Am I missing.

  5. DevExpress Updating In Gridview with. protected void grid_RowUpdatingobject sender, Data. value from devExpress GridView on.

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