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Answer 1

+1 A:

You can use the Ajax ASP.NET extender for button confirmation.

<TemplateColumn>
    <ItemTemplate>
      <asp:LinkButton id="lbDelete" runat="server" CommandName="Delete" Text="Delete"/>
      <cc1:ConfirmButtonExtender ID="cbeDelete" runat="server" 
          ConfirmText="Are you sure you want to delete this record?"
          TargetControlID="lbDelete" />
    </ItemTemplate>
    <ItemTemplate>
      <asp:LinkButton id="lbCancelUpdate" runat="server" CommandName="Cancel" Text="Cancel"/>
      <cc1:ConfirmButtonExtender ID="cbeCancel" runat="server" 
          ConfirmText="Are you sure you want to cancel any changes?"
          TargetControlID="lbCancelUpdate" />
    </ItemTemplate>
</TemplateColumn>

RSolberg 2009-03-10 18:44:34

thanks.. when user press cancel button then if only data is changed in particular row then only it's show this message and in ajax extender it ask all time please help

Kartik 2009-03-10 18:48:56

At the time of user press "Cancel Update" i want to check if any data is changed give message "Data is changed Do you want to cancel it" Yes or no if press yes then cancel other wise stay there.. how it's possible becz is extender it's ask all time

Kartik 2009-03-10 19:06:01

You may be able to do something similar with another CBE on the cancel button for the edit template.

RSolberg 2009-03-10 19:15:21

sorry i don't know what are you talking ?

Kartik 2009-03-10 19:17:36

Check out the edits above...

RSolberg 2009-03-10 21:01:32

Answer 2

A:

In client side script for those buttons you want to do something like

if (confirm('Are you sure you want to delete this item'))
{
   //Do logic for delete item
}

Edit

Go and put this in a .html file on your pc and open it in a browser (if its ie7 you'll get security warning just allow it, this won't happen when launched from a url):

<html>
<body>
<script>

if (confirm('You want to delete me?')
{
 alert('deleted');
}
</script>
</body>
</html>

confirm is a function;-)

JoshBerke 2009-03-10 18:45:52

i don't know where can i found "confirm" when i type confirm there is not any method call confirm

Kartik 2009-03-10 18:47:48

confirm is a javascript function. JavaScript and intellisense aren't the best friends. You might get some but not a ton.

David Basarab 2009-03-10 19:08:37

Answer 3

+1 A:

I take a slightly different approach by extending the Button control. Just more general purpose.

<bo:LinkButton id="Button1" runat="server" ConfirmText="Delete?" />


public class LinkButton : System.Web.UI.WebControls.LinkButton
{
    [Bindable(true), Category("Behavior"), DefaultValue("")]
    public string AlertText
    {
        get { return (string)ViewState["AlertText"] ?? string.Empty; }
        set { ViewState["AlertText"] = value; }
    }

    [Bindable(true), Category("Behavior"), DefaultValue("")]
    public string ConfirmText
    {
        get { return (string)ViewState["ConfirmText"] ?? string.Empty; }
        set { ViewState["ConfirmText"] = value; }
    }

    protected override void CreateChildControls()
    {
        string script = string.Empty;

        if (AlertText.Length > 0)
        {
            script += string.Format("alert('{0}');", AlertText);
        }

        if (ConfirmText.Length > 0)
        {
            script += string.Format("return confirm('{0}');", ConfirmText);
        }

        if (script.Length > 0)
        {
            OnClientClick = script;
        }

        base.CreateChildControls();
    }
}

Andrew Robinson 2009-03-10 19:20:54

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