private void FillddlStandard()
 {
     if (!ddlInteres.SelectedValue.Equals("1b74f20a-975d-430f-a105-2ae0b428edf5") && !ddlInteres.SelectedValue.Equals("d9d50ca4-cbaa-43e0-a12f-fb4b8b92e11e"))
     {
         ddlCourse.Items.Clear();
         ddlCourse.DataSource     = CourseController.GetAllCourseByStandardKey(ddlStandard.SelectedValue);
         ddlCourse.DataTextField  = "Name";
         ddlCourse.DataValueField = "StandardCourseKey";
         ddlCourse.DataBind();
     }
 }
        private void FillddlStandardForCourse()
        {
            ddlStandard.Items.Clear();
            ddlStandard.DataSource     = StandardController.GetAllStandardWhitCourse();
            ddlStandard.DataTextField  = "Name";
            ddlStandard.DataValueField = "StandardKey";
            ddlStandard.DataBind();

            ddlStandard.SelectedValue = "26c2d21c-68e2-427a-8e0c-5df9ba8eae95";

            ddlCourse.Items.Clear();
            ddlCourse.DataSource     = CourseController.GetAllCourseByStandardKey(ddlStandard.SelectedValue);
            ddlCourse.DataTextField  = "Name";
            ddlCourse.DataValueField = "StandardCourseKey";
            ddlCourse.DataBind();
        }