/// <summary> /// 更新一条数据 /// </summary> public bool Update(LEANJU.Model.Landlord model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update Landlord set "); strSql.Append("Lname=@Lname,"); strSql.Append("Lphone=@Lphone,"); strSql.Append("password=@password"); strSql.Append(" where Lno=@Lno "); SqlParameter[] parameters = { new SqlParameter("@Lname", SqlDbType.NVarChar, 20), new SqlParameter("@Lphone", SqlDbType.NVarChar, 11), new SqlParameter("@password", SqlDbType.NVarChar, 20), new SqlParameter("@Lno", SqlDbType.NVarChar, 20) }; parameters[0].Value = model.Lname; parameters[1].Value = model.Lphone; parameters[2].Value = model.password; parameters[3].Value = model.Lno; int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 增加一条数据 /// </summary> public bool Add(LEANJU.Model.Landlord model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into Landlord("); strSql.Append("Lno,Lname,Lphone,password)"); strSql.Append(" values ("); strSql.Append("@Lno,@Lname,@Lphone,@password)"); SqlParameter[] parameters = { new SqlParameter("@Lno", SqlDbType.NVarChar, 20), new SqlParameter("@Lname", SqlDbType.NVarChar, 20), new SqlParameter("@Lphone", SqlDbType.NVarChar, 11), new SqlParameter("@password", SqlDbType.NVarChar, 20) }; parameters[0].Value = model.Lno; parameters[1].Value = model.Lname; parameters[2].Value = model.Lphone; parameters[3].Value = model.password; int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 得到一个对象实体 /// </summary> public LEANJU.Model.Landlord DataRowToModel(DataRow row) { LEANJU.Model.Landlord model = new LEANJU.Model.Landlord(); if (row != null) { if (row["Lno"] != null) { model.Lno = row["Lno"].ToString(); } if (row["Lname"] != null) { model.Lname = row["Lname"].ToString(); } if (row["Lphone"] != null) { model.Lphone = row["Lphone"].ToString(); } if (row["password"] != null) { model.password = row["password"].ToString(); } } return(model); }
/// <summary> /// 得到一个对象实体 /// </summary> public LEANJU.Model.Landlord GetModel(string Lno) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 Lno,Lname,Lphone,password from Landlord "); strSql.Append(" where Lno=@Lno "); SqlParameter[] parameters = { new SqlParameter("@Lno", SqlDbType.NVarChar, 20) }; parameters[0].Value = Lno; LEANJU.Model.Landlord model = new LEANJU.Model.Landlord(); DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }