problem with maintaining value of dynamic control

[imranabdulaziz]

hi all ,

i am mess with the one situation.

i am using asp.net2.0 ,C# and sql server 2005.

I have checkboxlist and based on user selection i creates dynamic controls(which code is in filterbutton_Cl ick event and i call createcontrols function(public ) in that ).But when i select value of that control(dynamic created) in another button click event(searchbut ton) first it create fuction does not create dynamic control second as a result i do not get value of the control i call create function in filterbutton click and oninit()[
please help

my create function is


[code=cpp]
private void createcontrols( )
{

i = 1;

//if (CheckBoxListms t.SelectedIndex > -1)

//{

foreach (ListItem li in CheckBoxListmst .Items)
{

if (li.Selected == true)
{

Label label = new Label();

DropDownList dropdownlist = new DropDownList();

label.ID = "label" + i.ToString();

label.EnableVie wState = true;

dropdownlist.ID = "dropdownli st" + i.ToString();

dropdownlist.En ableViewState = true ;


label.Text = li.Text;

//Label1.Text += dropdownlist.ID ;

i++;

//rdr = cmd.ExecuteRead er();

for (int j = 0; j < 5; j++ )
{

ListItem ld = new ListItem();

ld.Text = j.ToString() ;

ld.Value = j.ToString();

dropdownlist.It ems.Add(ld);

}

PlaceHolder1.Co ntrols.Add(labe l);

PlaceHolder1.Co ntrols.Add(drop downlist);



Response.Write( "<br>");


}

}

}

// }

}

[/code]

and i access it with the code as
[code=cpp]
Label objlbl;

DropDownList objdrop;

objlbl = this.PlaceHolde r1.FindControl( "label1") as Label;

objdrop = this.PlaceHolde r1.FindControl( "dropdownlist1" ) as DropDownList;

if ((objlbl != null) && (objdrop.Select edIndex > -1 ))

{

Label1.Text = objlbl.Text; //Page.FindContro l("label1").ToS tring() ;

Label2.Text = objdrop.Selecte dValue;

}

[/code]



i call createcontrol funtion in filterbutton_cl ick and override oninit()


thank you