DEar Sir,
I have reffered your link http://www.aspsnippets.com/Red/Articles/Creating-Dynamic-DropDownList-Controls-in-ASP.Net.aspx.I need to add the dynamic dropdown on content page from content page itself,i have tried the below code its throwing error object instance property cannot be null.Please help me i have spent whole day on this..
protected void Page_PreInit(object sender, EventArgs e)
{
//Create a Dynamic Panel
Panel pnlDropDownList;
pnlDropDownList = new Panel();
pnlDropDownList.ID = "pnlDropDownList";
pnlDropDownList.BorderWidth = 1;
pnlDropDownList.Width = 300;
ContentPlaceHolder cph = (ContentPlaceHolder)this.Page.FindControl("ContentPlaceHolder1");
Panel panel = (Panel)cph.FindControl("Panel1");
cph.Controls.Add(pnlDropDownList);
}