/// <summary> /// 得到一个对象实体 /// </summary> public TFXK.Model.Role GetModel(int id) { StringBuilder strSql = new StringBuilder(); strSql.Append("select id,title,description from tb_Role "); strSql.Append(" where id=@id "); OleDbParameter[] parameters = { new OleDbParameter("@id", OleDbType.Integer, 4) }; parameters[0].Value = id; TFXK.Model.Role model = new TFXK.Model.Role(); DataSet ds = DbHelperOleDb.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { if (ds.Tables[0].Rows[0]["id"].ToString() != "") { model.id = int.Parse(ds.Tables[0].Rows[0]["id"].ToString()); } model.title = ds.Tables[0].Rows[0]["title"].ToString(); model.description = ds.Tables[0].Rows[0]["description"].ToString(); return(model); } else { return(null); } }
/// <summary> /// 增加一条数据 /// </summary> public int Add(TFXK.Model.Role model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into tb_Role("); strSql.Append("title,description)"); strSql.Append(" values ("); strSql.Append("@title,@description)"); OleDbParameter[] parameters = { new OleDbParameter("@title", OleDbType.VarChar, 50), new OleDbParameter("@description", OleDbType.VarChar, 200) }; parameters[0].Value = model.title; parameters[1].Value = model.description; DbHelperOleDb.ExecuteSql(strSql.ToString(), parameters); string sql = "select max(id) from [tb_Role]"; try { return(int.Parse(DbHelperOleDb.GetSingle(sql).ToString())); } catch { return(0); } }
/// <summary> /// 增加一条数据 /// </summary> public int Add(TFXK.Model.Role model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into tb_Role("); strSql.Append("title,description)"); strSql.Append(" values ("); strSql.Append("@title,@description)"); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@title", SqlDbType.VarChar, 50), new SqlParameter("@description", SqlDbType.Text) }; parameters[0].Value = model.title; parameters[1].Value = model.description; object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters); if (obj == null) { return(1); } else { return(Convert.ToInt32(obj)); } }
/// <summary> /// 更新一条数据 /// </summary> public void Update(TFXK.Model.Role model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update tb_Role set "); strSql.Append("title=@title,"); strSql.Append("description=@description"); strSql.Append(" where id=@id "); OleDbParameter[] parameters = { new OleDbParameter("@title", OleDbType.VarChar, 50), new OleDbParameter("@description", OleDbType.VarChar, 200),new OleDbParameter("@id", OleDbType.Integer, 4) }; parameters[0].Value = model.title; parameters[1].Value = model.description; parameters[2].Value = model.id; DbHelperOleDb.ExecuteSql(strSql.ToString(), parameters); }