This displays a Confirmation message when the user clicks on Delete Button in GridView. This prevents accidental deletion of rows in a GridView.

1. Popup a ConfirmationBox before deleting arow in Gridview
1. Drag and Drop a Gridviewtothe WebForm.Attacha database table intothe GridView.The
followinglinkgivesdetailsof addingadatabase table intothe GridView,
https://www.slideshare.net/DharmaRaju2/how-to-add-sql-server-table-into-dot-net-web-
page-gridview
We can easilyadd ‘Delete’ buttonintothe GridView byselecting‘Enable Deleting’option
fromthe GridViewTasklist.But, the ‘Delete’buttonaddedbythismethodwon’taskfor
confirmationfromuserswhenitisclicked. Itsimplydeletesthe row whenwe press‘Delete’
button.But,by addingconfirmationoption,accidentaldeletionof rowsisprevented.
Here are the steps:
2. Clickon TaskButton  Clickon ‘AddNew Column’
3. SelectTemplate FieldfromFieldType
4. Enter a HeaderText,say‘Delete’.PressOKbutton
5. You can see Grid Viewwithanew column – ‘Delete’
6. Now,Switch the displayof the webpage to‘Source’mode. Findbelow line:
<asp:TemplateField HeaderText="Delete"></asp:TemplateField>
Breakthe above linesintotwoandinsertfew blanklines asshownbelow:
<asp:TemplateField HeaderText="Delete">
</asp:TemplateField>
7. Insertcode inbetweenthe above twolinesasshownbelow:
<asp:TemplateField HeaderText="Delete">
<ItemTemplate>
<asp:Button ID="btnDel" runat="server" Text="Delete"
CommandName="Delete" OnClientClick="return
confirm('Are you sure you want to delete this row?');" />
</ItemTemplate>
</asp:TemplateField>
8. Notice ‘Delete ‘Button’ insertedonall rowsof the GridView.
9. Openthe webpage ina browser.Clickondeletebutton. The systempromptsyoutoconfirm
whetheryoureallywantyoutodelete thatrow.Press OKto confirm.

2. 10: Insteadof Button,youcan adda linkbuttonbychanging<Asp:Buttonto<asp:LinkButtonas
sownbelow:
<ItemTemplate>
<asp:LnkButton ID="btnDel" runat="server" Text="Delete"
CommandName="Delete" OnClientClick="return
confirm('Are you sure you want to delete the record?');" />
</ItemTemplate>
In my opinion, LinkButton looks better than Button in a GridView. See the Figure
above.
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