Datalist inside other datalist

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Hello my requirement is that
database 2 tables
--------------------
1)catagory(catid,category_name)
2)subcatagory(subid,subcategory_name,catid)
i have two dtalist one inside other.
datalist1 will dispaly catagoryname .To display catagoryname i have taken link button
the 2nd datalist will show subctagory on click of each linkbutton on seleted index change
my code is
---------------------

C#

DataListItem item = DataList1.SelectedItem;
       foreach (DataListItem ctitem in DataList1.Items)
       {
           ctitem.FindControl("DataList2").Visible = false;
       }
       SqlDataSource2.SelectParameters[0].DefaultValue = DataList1.DataKeyField[0].ToString();
       DataList1.SelectedItem.FindControl("DataList2").Visible = true;

--------------------------------
problem is that its not coming inside this loop every time i click on link button the refresh take place

Can anyone help me about this

Posted 7-Jul-12 0:33am

akee seth

Updated 8-Jul-12 19:27pm

v3

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Ganesan Senthilvel 7-Jul-12 9:00am

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Joi Drabek · Answer 1 · 2012-07-07T04:44:00

Solution 1

Hi,
I think you can achieve this using an update panel.
or else you need store the selectedindex value or the DataList1.selectedindex in a viewstate or a hidden variable

if(viewstate["SelectedIndex"] != null)
{
rebuild the datalist 1 and 2 here
}

Thanks
Buy Lace

Posted 7-Jul-12 4:44am

Joi Drabek

Comments

Nagy Vilmos 7-Jul-12 15:16pm

I for the spam link.

akee seth 8-Jul-12 15:17pm

ok,i will try this .
thank you