protected void drpUniversityName_SelectedIndexChanged(object sender, EventArgs e)
    {
        GridViewRowEventArgs e1 = (GridViewRowEventArgs)e; // Gives me a casting error on this line
        DropDownList drpUniversityName = (DropDownList)(e1.Row.FindControl("drpUniversityName"));
        DropDownList drpCollegeName = (DropDownList)(e1.Row.FindControl("drpCollegeName"));
        bindColleges(drpUniversityName,drpCollegeName);
    }