hi friend: i want to select drop down value create text box like: 1 2 3 select on create on text box and select 2 then create two text box ...

ok thanks: save my textbox id in this hidValues.Value = Session["ID"].ToString(); ============================= i insert two value director name second dir hidValues.Value = Session["ID"].ToString(); string[] txtboxes = hidValues.Value.Split(','); objadmin.Directorname = ""; objadmin.Din = "";

Try with below code: ASPX asp:DropDownList ID = "ddlOptions" runat = "server" AutoPostBack = "true" onselectedindexchanged = "ddlOptions_SelectedIndexChanged" > asp:ListItem Value = "1" > 1 asp:ListItem > asp:ListItem Value = "2" > 2 asp:ListItem > asp:ListItem Value = "3" > 3 asp:ListItem > asp:ListItem Value = "4" > 4 asp:ListItem > asp:ListItem Value = "5" > 5 asp:ListItem > asp:ListItem Value = "6" > 6 asp:ListItem > asp:DropDownList > asp:PlaceHolder runat = "server" ID = "ctrlPlaceholder" > asp:PlaceHolder > Code-behind protected void ddlOptions_SelectedIndexChanged( object sender, EventArgs e) { for ( int cnt= 1; cnt { TextBox tb = new TextBox(); tb.ID = "tb" + cnt; ctrlPlaceholder.Controls.Add(tb); } }