Creating controls at runtime

Hello Everyone:

I am new to C# and trying to create controls at runtime.

I create two listbox at run time and load the values to first one.
I disable the second listbox at time of creation[at runtime].

My requirement is when i change the first listbox value i want the
second listbox to enable and load the values .

E.g first listbox has all the countries and when i change the country i
want the second one to fille the provinces/states.

Below are the code to load the first listbox.
ListBox oObjCMB = new ListBox();
string iID = oDr.GetInt32(7).ToString().Trim();
string sSQL2 = "select * from holder where id = " + iID ;
SqlCommand oCmd3 = new SqlCommand(sSQL2,oCn2);
sqlDataReader oDr3 = oCmd3.ExecuteReader();
while(oDr3.Read())
{
oObjCMB.Items.Add(oDr3.GetValue(2).ToString().Trim());
}
TableRow tr = new TableRow();
TableCell td1 = new TableCell();
oObjCMB.ID = oDr.GetString(3);
td1.Controls.Add(oObjCMB);

Same way i create the empty listbox and disable it add to table.

Can some Please tell me how i can implement the
oObjCMB.SelectedIndexChanged

Thanks in Advance.

Pargat

.

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