[Solved] Add number of records selected for deletion to the confirm dialogue box

[Cathy]

I need to add the number of records selected for deletion to the confirm dialogue box.

I have a RadGrid with a programmatically added GridClientSelectColumn (for the checkboxes for each row in the grid) and GridCommandItem that is a linkbutton with text = "Delete Selected". What I like to be able to do is have a confirmation dialog box appear with the number of records the client as has selected to delete.

protected

 

void RadGrid1_ItemCreated(object sender, GridItemEventArgs e)

 

{

    if

 

(e.Item is GridCommandItem)

 

    {

 

        LinkButton Delete = e.Item.FindControl("btnDeleteSelected") as LinkButton;

 

 

        string js = null;

 

        js =

"javascript:return confirm('Do you want to DELETE ";

 

        js = js + RadGrid1.SelectedIndexes.Count +

" record(s)?')";

 

        Delete.Attributes[

"onclick"] = js;

 

    }

}

I have tried the above in the code behind but the RadGrid1.SelectedIndexes.Count is always 0.

I realize this maybe because the ItemCreated event is triggered before the SelectedIndexChanged event.

On server selection from Select/Deselect GridButtonColumn/Auto Postback on row click:
For each Item in grid:
ItemCreated
Page.Load
ItemCommand
SelectedIndexChanged
Other postback events
Page.PreRender

So, is there anyway I can get the count of the selected records and pass it to the confirm javascript when I click on my Delet Selected link button??

Thanks in advance for your advice,

cathy

[Shinu]

Hi Cathy,

I tried another approach by adding onClientClick event from ASPX instead of adding from code behind. Give a try with the following code and see whether it is useful for you.

ASPX:

  . . .
<CommandItemTemplate>
    <asp:LinkButton ID="LinkButton1" runat="server"  OnClientClick="return ConfirmIt();" OnClick="LinkButton1_Click">Delete Selected</asp:LinkButton>
</CommandItemTemplate>
  . . .

JavaScript:

<script type="text/javascript">
function ConfirmIt()
{
     var grid = $find("<%=RadGrid1.ClientID %>");
     var MasterTable = grid.get_masterTableView();
     var selected = MasterTable.get_selectedItems().length;
     if(selected != 0)
     {
        var result = confirm('Do you want to DELETE '+ selected +' record(s)?');
        return(result);
     }
     else
     {
        alert('No rows selected');
        return(false);
     }
}
</script>

-Shinu.

[Cathy]

Hi Shinu,

That worked beautifully, thank you very much!

cathy