Well the error implies that you are referencing an object that is not
there... perhaps btnNext ? You might check your objects and be sure
that you have the runat=server tags in all objects.
Ronda
On Mon, 24 Jan 2005 05:15:14 +0000 (GMT), santosh poojari
<[EMAIL PROTECTED]> wrote:
>
> Hi,
> I have called one function on
> <asp:RadioButtonList id="rbYesNo" runat="server"
> OnSelectedIndexChanged="OnSelected_YesNo" AutoPostBack="True"> Yes No
>
> public void OnSelected_YesNo(object sender,System.EventArgs e)
>
> {
>
> RadioButtonList rbClicklist;
>
> Response.Write("OnRadioBtnClick");
>
> int cntCheck=0;
>
> for(int iIter=0;iIter<DataGrid1.Items.Count;iIter++)
>
> {
>
> DataGridItem objItem= DataGrid1.Items[iIter];
>
> rbClicklist=((RadioButtonList)objItem.FindControl("rbYesNo"));
>
> string rbClickValue=rbClicklist.SelectedIndex.ToString();
>
> if(rbClickValue=="1" || rbClickValue=="0")
>
> {
>
> cntCheck=cntCheck+1;
>
> }
>
> }
>
> //Button2.Enabled=false;
>
> if(cntCheck==DataGrid1.Items.Count)
>
> {
>
> Button btnNext=new Button();
>
> btnNext=(Button)DataGrid1.FindControl("button1");
>
> btnNext.Enabled=true;
>
> }
> <FooterTemplate>
> <asp:button id="button1" runat="server" Enabled="false"..........
>
> I get a runtime error for this line
>
> btnNext.Enabled=true;
> Object reference does not set to an instance of an object..
>
> Required help on above Error---
>
>
> Santosh
>
> Charles Carroll <[EMAIL PROTECTED]> wrote:
> You need to use OnItemDataBound() and use DataGridID.findcontrol() on
> that event.
>
> It does not exist until the data is filled in to control.
>
> Others will be able to elaborate. I wanted to point you in right direction.
>
> On Sat, 22 Jan 2005 14:46:56 +0000 (GMT), santosh poojari
> <[EMAIL PROTECTED]> wrote:
> > Hi All,
> > I have disabled the button in Datagrid and i want to make it enabled during
> > run time such as
> > public void Datagrid1_OnSelectedChanged( object sender ,System. )
> > {
> >
> > ((Button)DataGrid1.FindControl("btnNext")).enabled=true;
> > }
> > I have tried this doing but it throws a runtime error
> > "Object Reference does not contain instance of Button.
> >
> > please comment,
> > San
> >
> > Yahoo! India Matrimony: Find your life partneronline.
> >
> > [Non-text portions of this message have been removed]
> >
> >
> > ________________________________
> > Yahoo! Groups Links
> >
> > To visit your group on the web, go to:
> > http://groups.yahoo.com/group/AspNetAnyQuestionIsOk/
> >
> > To unsubscribe from this group, send an email to:
> > [EMAIL PROTECTED]
> >
> > Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service.
>
> ---------------------------------
> Yahoo! Groups Links
>
> To visit your group on the web, go to:
> http://groups.yahoo.com/group/AspNetAnyQuestionIsOk/
>
> To unsubscribe from this group, send an email to:
> [EMAIL PROTECTED]
>
> Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service.
>
> Yahoo! India Matrimony: Find your life partneronline.
>
> [Non-text portions of this message have been removed]
>
> Yahoo! Groups Links
>
>
>
>
>
--
Ronda Pederson
MVP ASP.Net
Yahoo! Groups Links
<*> To visit your group on the web, go to:
http://groups.yahoo.com/group/AspNetAnyQuestionIsOk/
<*> To unsubscribe from this group, send an email to:
[EMAIL PROTECTED]
<*> Your use of Yahoo! Groups is subject to:
http://docs.yahoo.com/info/terms/
