How to edit gridview template asp.net

We have selected four columns from Employee Details table. This will add an Edit link button at the beginning of all the rows in the GridView.

Clicking the link button will trigger a PostBack to the server requesting to edit the row values. Similar procedure must be followed to delete one row at a time. In the SqlDataSource add the below property and parameter. To cease these mistakes from happening, we need a confirmation yes or no before deleting any row in the GridView. It will show a popup confirmation message and allows the user to either go with the delete command or negate it. Net — C and Vb.

Before running this site on your local host, check if the web. What should I do to solve this pbl? User posted can u paste ur page code, coz i dont think the error is caused from the section u posted? User posted It show no errors when I debug, but when I click on the "Edit" button, it display.. Description: An unhandled exception occurred during the execution of the current web request.

Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System. InvalidCastException: Unable to cast object of type 'Library. Source Error: Line if row. ToString ; Line ddl. NET Framework Version NET Version TimeEntry' to type 'System. PerformSelect at System. DataBind at System. DataBindChildren at System. EnsureDataBound at System. PreRenderRecursiveInternal at System. HttpUnhandledException' was thrown.

HandleError Exception e at System. ProcessRequest at System. Execute at System. TimeRecord' I've tried to modified the indexing but didnt work. User posted Dear, friend: It is hard for us to debug when you use your custom Strong DataSet. Row; if! User posted sigh.. Thanks Rex Lin :. Anyone have any idea about it? Friday, March 16, AM. Sunday, March 18, PM. User posted Thanks Rex Lin, Actually I juz want to create cascading ddl in gridview edit template, but I keep getting same error even I try the Mike's blog method or the link you send before.

I'm still keep trying to find the solution: Unable to cast object of type 'Library. Tuesday, March 20, AM. User posted I am stuck in this problem: Unable to cast object of type 'Library. User posted Dear Limno, Yes, I can get the data and update the data if it is only independent dropdownlist in the edit template.

I'm pretty sure the problem is I can't get the 2nd dropdownlist value , and I don't understand why it always show the error: Unable to cast object of type 'Library.

I miss a cast? Thanks for advise:. Wednesday, March 21, PM. Related Questions. NET Gridview edit template. Gridview editing data using edit template..?

Drop down in edit item template of a gridview. Gridview Problem Binding value in edit template. Edit Item template in model popup in GridView. Access dropdownlist in edit item template for gridview.

Template Binding in GridView. Gridview Edit Template, unable to get dropdownlist while mode is editing. Layout: fixed fluid. Web01 2. Strip HTML. Encode HTML. Paste as-is. Code block. Quoted Text. Best guess. Optional Password.