protected void btnsearch_Click(object sender, EventArgs e) { BECourseAdmin objBECourseAdmin = new BECourseAdmin(); BCourseAdmin objBCourseAdmin = new BCourseAdmin(); if (txtCourseID.Text == "") { objBECourseAdmin.strCourseID = DBNull.Value.ToString(); } else { objBECourseAdmin.strCourseID = txtCourseID.Text; } if (txtcoursename.Text == "") { objBECourseAdmin.strCourseName = DBNull.Value.ToString(); } else { objBECourseAdmin.strCourseName = txtcoursename.Text; } // objBEAdmin.strLastName = txtlastname.Text; if (txtinstructorname.Text == "") { objBECourseAdmin.strStudentName = DBNull.Value.ToString(); } else { objBECourseAdmin.strStudentName = txtinstructorname.Text; } objBECourseAdmin.IntUserID = Convert.ToInt32(Session[BaseClass.EnumPageSessions.USERID].ToString()); // objBEAdmin.strEmailAddress = txtemail.Text; objBCourseAdmin.BGetCourseAdminDetails(objBECourseAdmin); gvCourseDetails.DataSource = objBECourseAdmin.DtResult; gvCourseDetails.DataBind(); objBECourseAdmin = null; }