protected void btnTeacherPass_Click(object sender, EventArgs e) { var teacherForgetUser = libEntity.tbl_TeacherLogin.Where(x => x.UserName == txtTeacherUser.Text).FirstOrDefault(); if (teacherForgetUser != null) { string name = teacherForgetUser.UserName.ToString(); string pass = txtTeacherNew.Text; libEntity.TeacherForget(name, pass); lblMessage.Text = "Sucessfully Change your Password"; } else { lblMessage.Text = "Please Make sure your User Name"; } }