// Bind Class To DropDown

        #region [Bind Class]

        protected void ddlCourse_SelectedIndexChanged(object sender, EventArgs e)
        {
            try
            {
                int    orgID  = Convert.ToInt32(DDL_SelectCollege.SelectedValue);
                string Course = ddlCourse.SelectedValue;
                objEWA.OrgID  = orgID;
                objEWA.Course = Course;

                ds = objBAL.BL_BindBranch(objEWA);
                ddlBranch.DataSource     = ds;
                ddlBranch.DataTextField  = "BranchName";
                ddlBranch.DataValueField = "BranchId";
                ddlBranch.DataBind();
                ddlBranch.Items.Insert(0, "Select");
            }
            catch (Exception)
            {
                ddlBranch.Text = "Select";
            }
        }