protected void butCreateSchool_Click(object sender, EventArgs e) { string schoolName = tbTxtSchool.Text; string schoolCity = tbSchoolCity.Text; string schoolState = tbSchoolState.Text; if (!Schools.SchoolExists(schoolName, schoolCity, schoolState)) { Schools.CreateSchool(schoolName, schoolCity, schoolState); // reload the schools into a list. lboxSchools.DataSource = Schools.GetAllSchools(); lboxSchools.DataBind(); errorMessage.Visible = false; } else { errorMessage.Visible = true; } }