protected void btnCadastrar_Click(object sender, EventArgs e) { tb_instrumento i = new tb_instrumento() { nome = txtNome.Text, tipo = txtTipo.Text, familia = txtFamilia.Text, dt_fabricacao = Convert.ToDateTime(txtDtFabricacao.Text) }; dbintrumentosEntities dbi = new dbintrumentosEntities(); string valor = Request.QueryString["idItem"]; if (String.IsNullOrEmpty(valor)) { dbi.tb_instrumento.Add(i); } else { int id = Convert.ToInt32(valor); tb_instrumento instrumento = dbi.tb_instrumento.First(c => c.id == id); instrumento.nome = i.nome; instrumento.tipo = i.tipo; instrumento.familia = i.familia; instrumento.dt_fabricacao = i.dt_fabricacao; } dbi.SaveChanges(); }
protected void btnConsultar_Click(object sender, EventArgs e) { dbintrumentosEntities dbi = new dbintrumentosEntities(); dbi.tb_instrumento.Find.by }