check\uncheck all checkboxes in datalist control

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Views: 562 | Replies: 1

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Join Date: May 2008

Posts: 13

Reputation: sireesha.c is an unknown quantity at this point

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check\uncheck all checkboxes in datalist control

Jul 18th, 2008

check\uncheck all checkboxes in datalist control in asp.net with vb.

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 Protected Sub DataList8_ItemDataBound(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.DataListItemEventArgs) Handles DataList8.ItemDataBound

        If e.Item.ItemType = ListItemType.Item OrElse e.Item.ItemType = ListItemType.AlternatingItem Then

            Dim chkSelect As New CheckBox
            chkSelect = DirectCast(e.Item.FindControl("chkSelect"), CheckBox)

            chkSelect.Attributes.Add("onclick", "javascript:return Validate(this.name)")
        End If
end sub

getting error in chkSelect.Attributes.Add("onclick", "javascript:return Validate(this.name)")

Object reference not set to an instance of an object.

give me the suggesion where i have to update my code

Last edited by Tekmaven : Jul 18th, 2008 at 5:16 pm. Reason: Code tags